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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:22:01,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:22:01,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:22:01,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:22:01,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:22:01,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:22:01,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:22:01,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:22:01,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:22:01,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:22:01,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:22:01,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:22:01,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:22:01,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:22:01,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:22:01,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:22:01,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:22:01,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:22:01,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:22:01,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:22:01,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:22:01,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:22:01,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:22:01,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:22:01,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:22:01,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:22:01,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:22:01,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:22:01,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:22:01,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:22:01,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:22:01,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:22:01,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:22:01,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:22:01,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:22:01,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:22:01,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:22:01,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:22:01,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:22:01,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:22:01,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:22:01,276 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 [2019-10-15 01:22:01,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:22:01,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:22:01,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:22:01,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:22:01,293 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:22:01,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:22:01,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:22:01,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:22:01,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:22:01,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:22:01,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:22:01,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:22:01,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:22:01,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:22:01,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:22:01,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:22:01,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:22:01,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:22:01,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:22:01,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:22:01,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:22:01,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:22:01,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:22:01,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:22:01,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:22:01,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:22:01,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:22:01,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:22:01,298 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 [2019-10-15 01:22:01,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:22:01,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:22:01,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:22:01,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:22:01,581 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:22:01,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2019-10-15 01:22:01,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d451017e/81ef2835397f4e758abc3678c03b09b2/FLAG53777a92e [2019-10-15 01:22:02,195 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:22:02,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2019-10-15 01:22:02,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d451017e/81ef2835397f4e758abc3678c03b09b2/FLAG53777a92e [2019-10-15 01:22:02,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d451017e/81ef2835397f4e758abc3678c03b09b2 [2019-10-15 01:22:02,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:22:02,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:22:02,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:22:02,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:22:02,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:22:02,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:22:02" (1/1) ... [2019-10-15 01:22:02,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:02, skipping insertion in model container [2019-10-15 01:22:02,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:22:02" (1/1) ... [2019-10-15 01:22:02,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:22:02,603 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:22:03,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:22:03,059 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:22:03,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:22:03,215 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:22:03,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03 WrapperNode [2019-10-15 01:22:03,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:22:03,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:22:03,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:22:03,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:22:03,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (1/1) ... [2019-10-15 01:22:03,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (1/1) ... [2019-10-15 01:22:03,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (1/1) ... [2019-10-15 01:22:03,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (1/1) ... [2019-10-15 01:22:03,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (1/1) ... [2019-10-15 01:22:03,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (1/1) ... [2019-10-15 01:22:03,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (1/1) ... [2019-10-15 01:22:03,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:22:03,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:22:03,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:22:03,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:22:03,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (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 [2019-10-15 01:22:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:22:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:22:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:22:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:22:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:22:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:22:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:22:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:22:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:22:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:22:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:22:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:22:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:22:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:22:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:22:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:22:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:22:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:22:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:22:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:22:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:22:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:22:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:22:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:22:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:22:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:22:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:22:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:22:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:22:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:22:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:22:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:22:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:22:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:22:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:22:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:22:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:22:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:22:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:22:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:22:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:22:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:22:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:22:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:22:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:22:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:22:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:22:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:22:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:22:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:22:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:22:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:22:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:22:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:22:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:22:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:22:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:22:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:22:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:22:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:22:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:22:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:22:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:22:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:22:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:22:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:22:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:22:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:22:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:22:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:22:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:22:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:22:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:22:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:22:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:22:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:22:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:22:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:22:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:22:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:22:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:22:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:22:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:22:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:22:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:22:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:22:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:22:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:22:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:22:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:22:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:22:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:22:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:22:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:22:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:22:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:22:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:22:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:22:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:22:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:22:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:22:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:22:04,454 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:22:04,454 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:22:04,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:04 BoogieIcfgContainer [2019-10-15 01:22:04,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:22:04,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:22:04,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:22:04,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:22:04,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:22:02" (1/3) ... [2019-10-15 01:22:04,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275415fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:04, skipping insertion in model container [2019-10-15 01:22:04,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:03" (2/3) ... [2019-10-15 01:22:04,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275415fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:04, skipping insertion in model container [2019-10-15 01:22:04,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:04" (3/3) ... [2019-10-15 01:22:04,465 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2019-10-15 01:22:04,474 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:22:04,484 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:22:04,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:22:04,527 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:22:04,528 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:22:04,528 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:22:04,528 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:22:04,528 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:22:04,528 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:22:04,529 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:22:04,529 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:22:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-15 01:22:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:22:04,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:04,563 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] [2019-10-15 01:22:04,565 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:04,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:04,570 INFO L82 PathProgramCache]: Analyzing trace with hash -748532366, now seen corresponding path program 1 times [2019-10-15 01:22:04,579 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:04,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832245760] [2019-10-15 01:22:04,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:04,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832245760] [2019-10-15 01:22:04,924 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:04,925 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:22:04,925 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784203232] [2019-10-15 01:22:04,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:04,931 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:04,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:04,947 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2019-10-15 01:22:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:04,992 INFO L93 Difference]: Finished difference Result 322 states and 399 transitions. [2019-10-15 01:22:04,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:04,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:22:04,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:05,007 INFO L225 Difference]: With dead ends: 322 [2019-10-15 01:22:05,007 INFO L226 Difference]: Without dead ends: 163 [2019-10-15 01:22:05,012 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 [2019-10-15 01:22:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-10-15 01:22:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-10-15 01:22:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-10-15 01:22:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2019-10-15 01:22:05,114 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 59 [2019-10-15 01:22:05,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:05,115 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2019-10-15 01:22:05,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2019-10-15 01:22:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:22:05,119 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:05,120 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] [2019-10-15 01:22:05,120 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:05,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:05,121 INFO L82 PathProgramCache]: Analyzing trace with hash -637468051, now seen corresponding path program 1 times [2019-10-15 01:22:05,121 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:05,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622500071] [2019-10-15 01:22:05,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:05,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622500071] [2019-10-15 01:22:05,235 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:05,236 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:22:05,236 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691865350] [2019-10-15 01:22:05,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:22:05,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:05,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:22:05,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:22:05,239 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2019-10-15 01:22:05,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:05,290 INFO L93 Difference]: Finished difference Result 271 states and 321 transitions. [2019-10-15 01:22:05,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:22:05,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:22:05,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:05,294 INFO L225 Difference]: With dead ends: 271 [2019-10-15 01:22:05,294 INFO L226 Difference]: Without dead ends: 154 [2019-10-15 01:22:05,296 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 [2019-10-15 01:22:05,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-15 01:22:05,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-10-15 01:22:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-15 01:22:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2019-10-15 01:22:05,311 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 60 [2019-10-15 01:22:05,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:05,311 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2019-10-15 01:22:05,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:22:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2019-10-15 01:22:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:22:05,314 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:05,314 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] [2019-10-15 01:22:05,314 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:05,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:05,315 INFO L82 PathProgramCache]: Analyzing trace with hash -733015768, now seen corresponding path program 1 times [2019-10-15 01:22:05,315 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:05,315 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304259293] [2019-10-15 01:22:05,315 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,316 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:05,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304259293] [2019-10-15 01:22:05,462 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:05,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:05,462 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135337798] [2019-10-15 01:22:05,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:05,463 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:05,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:05,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:05,464 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2019-10-15 01:22:05,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:05,857 INFO L93 Difference]: Finished difference Result 280 states and 335 transitions. [2019-10-15 01:22:05,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:05,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-15 01:22:05,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:05,860 INFO L225 Difference]: With dead ends: 280 [2019-10-15 01:22:05,860 INFO L226 Difference]: Without dead ends: 154 [2019-10-15 01:22:05,862 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:22:05,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-15 01:22:05,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-10-15 01:22:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-15 01:22:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2019-10-15 01:22:05,877 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 64 [2019-10-15 01:22:05,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:05,879 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2019-10-15 01:22:05,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2019-10-15 01:22:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-15 01:22:05,882 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:05,882 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] [2019-10-15 01:22:05,883 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:05,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:05,883 INFO L82 PathProgramCache]: Analyzing trace with hash 330531379, now seen corresponding path program 1 times [2019-10-15 01:22:05,883 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:05,884 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327362282] [2019-10-15 01:22:05,884 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,884 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:05,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327362282] [2019-10-15 01:22:05,988 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:05,989 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:22:05,989 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9906628] [2019-10-15 01:22:05,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:22:05,991 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:05,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:22:05,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:22:05,995 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand 5 states. [2019-10-15 01:22:06,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:06,532 INFO L93 Difference]: Finished difference Result 399 states and 482 transitions. [2019-10-15 01:22:06,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:22:06,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-10-15 01:22:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:06,538 INFO L225 Difference]: With dead ends: 399 [2019-10-15 01:22:06,538 INFO L226 Difference]: Without dead ends: 273 [2019-10-15 01:22:06,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:06,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-10-15 01:22:06,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 255. [2019-10-15 01:22:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2019-10-15 01:22:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 290 transitions. [2019-10-15 01:22:06,590 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 290 transitions. Word has length 82 [2019-10-15 01:22:06,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:06,591 INFO L462 AbstractCegarLoop]: Abstraction has 255 states and 290 transitions. [2019-10-15 01:22:06,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:22:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2019-10-15 01:22:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-15 01:22:06,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:06,594 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] [2019-10-15 01:22:06,594 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:06,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:06,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1154984362, now seen corresponding path program 1 times [2019-10-15 01:22:06,595 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:06,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117201884] [2019-10-15 01:22:06,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:06,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:06,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:22:06,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117201884] [2019-10-15 01:22:06,765 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:06,765 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:06,765 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800115829] [2019-10-15 01:22:06,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:06,766 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:06,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:06,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:06,767 INFO L87 Difference]: Start difference. First operand 255 states and 290 transitions. Second operand 7 states. [2019-10-15 01:22:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:07,449 INFO L93 Difference]: Finished difference Result 499 states and 583 transitions. [2019-10-15 01:22:07,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:22:07,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2019-10-15 01:22:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:07,453 INFO L225 Difference]: With dead ends: 499 [2019-10-15 01:22:07,453 INFO L226 Difference]: Without dead ends: 272 [2019-10-15 01:22:07,454 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:22:07,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-10-15 01:22:07,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 254. [2019-10-15 01:22:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-10-15 01:22:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 287 transitions. [2019-10-15 01:22:07,474 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 287 transitions. Word has length 96 [2019-10-15 01:22:07,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:07,474 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 287 transitions. [2019-10-15 01:22:07,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 287 transitions. [2019-10-15 01:22:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:22:07,476 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:07,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:07,476 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:07,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:07,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1590195415, now seen corresponding path program 1 times [2019-10-15 01:22:07,477 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:07,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407531771] [2019-10-15 01:22:07,477 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:07,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:07,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:07,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407531771] [2019-10-15 01:22:07,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:07,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:22:07,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678523594] [2019-10-15 01:22:07,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:22:07,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:07,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:22:07,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:22:07,614 INFO L87 Difference]: Start difference. First operand 254 states and 287 transitions. Second operand 6 states. [2019-10-15 01:22:07,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:07,651 INFO L93 Difference]: Finished difference Result 487 states and 564 transitions. [2019-10-15 01:22:07,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:07,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2019-10-15 01:22:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:07,660 INFO L225 Difference]: With dead ends: 487 [2019-10-15 01:22:07,660 INFO L226 Difference]: Without dead ends: 261 [2019-10-15 01:22:07,661 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 [2019-10-15 01:22:07,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-10-15 01:22:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2019-10-15 01:22:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-10-15 01:22:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 292 transitions. [2019-10-15 01:22:07,692 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 292 transitions. Word has length 112 [2019-10-15 01:22:07,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:07,695 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 292 transitions. [2019-10-15 01:22:07,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:22:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 292 transitions. [2019-10-15 01:22:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:22:07,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:07,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:07,699 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:07,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:07,700 INFO L82 PathProgramCache]: Analyzing trace with hash -765609835, now seen corresponding path program 1 times [2019-10-15 01:22:07,700 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:07,700 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099274680] [2019-10-15 01:22:07,700 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:07,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:07,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:07,820 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099274680] [2019-10-15 01:22:07,820 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:07,820 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:22:07,821 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664775442] [2019-10-15 01:22:07,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:22:07,821 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:07,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:22:07,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:07,822 INFO L87 Difference]: Start difference. First operand 259 states and 292 transitions. Second operand 8 states. [2019-10-15 01:22:07,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:07,858 INFO L93 Difference]: Finished difference Result 497 states and 575 transitions. [2019-10-15 01:22:07,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:22:07,859 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2019-10-15 01:22:07,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:07,861 INFO L225 Difference]: With dead ends: 497 [2019-10-15 01:22:07,861 INFO L226 Difference]: Without dead ends: 266 [2019-10-15 01:22:07,862 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 [2019-10-15 01:22:07,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-10-15 01:22:07,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 263. [2019-10-15 01:22:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2019-10-15 01:22:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 296 transitions. [2019-10-15 01:22:07,877 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 296 transitions. Word has length 112 [2019-10-15 01:22:07,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:07,877 INFO L462 AbstractCegarLoop]: Abstraction has 263 states and 296 transitions. [2019-10-15 01:22:07,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:22:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 296 transitions. [2019-10-15 01:22:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:22:07,879 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:07,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:07,880 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:07,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:07,880 INFO L82 PathProgramCache]: Analyzing trace with hash 3560180, now seen corresponding path program 1 times [2019-10-15 01:22:07,880 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:07,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602434059] [2019-10-15 01:22:07,881 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:07,881 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:07,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:07,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602434059] [2019-10-15 01:22:07,952 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:07,952 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:22:07,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4085493] [2019-10-15 01:22:07,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:22:07,953 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:07,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:22:07,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:07,954 INFO L87 Difference]: Start difference. First operand 263 states and 296 transitions. Second operand 4 states. [2019-10-15 01:22:08,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:08,207 INFO L93 Difference]: Finished difference Result 754 states and 890 transitions. [2019-10-15 01:22:08,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:22:08,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2019-10-15 01:22:08,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:08,212 INFO L225 Difference]: With dead ends: 754 [2019-10-15 01:22:08,213 INFO L226 Difference]: Without dead ends: 519 [2019-10-15 01:22:08,214 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:08,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2019-10-15 01:22:08,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 510. [2019-10-15 01:22:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-15 01:22:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 591 transitions. [2019-10-15 01:22:08,259 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 591 transitions. Word has length 112 [2019-10-15 01:22:08,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:08,260 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 591 transitions. [2019-10-15 01:22:08,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:22:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 591 transitions. [2019-10-15 01:22:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-15 01:22:08,264 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:08,265 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:08,265 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:08,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:08,265 INFO L82 PathProgramCache]: Analyzing trace with hash -427651474, now seen corresponding path program 1 times [2019-10-15 01:22:08,266 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:08,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428849041] [2019-10-15 01:22:08,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:08,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428849041] [2019-10-15 01:22:08,491 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:08,491 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:08,492 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830657540] [2019-10-15 01:22:08,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:08,492 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:08,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:08,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:08,493 INFO L87 Difference]: Start difference. First operand 510 states and 591 transitions. Second operand 9 states. [2019-10-15 01:22:09,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:09,575 INFO L93 Difference]: Finished difference Result 1335 states and 1616 transitions. [2019-10-15 01:22:09,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:09,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2019-10-15 01:22:09,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:09,582 INFO L225 Difference]: With dead ends: 1335 [2019-10-15 01:22:09,582 INFO L226 Difference]: Without dead ends: 926 [2019-10-15 01:22:09,584 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:22:09,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2019-10-15 01:22:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 850. [2019-10-15 01:22:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2019-10-15 01:22:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 973 transitions. [2019-10-15 01:22:09,633 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 973 transitions. Word has length 116 [2019-10-15 01:22:09,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:09,633 INFO L462 AbstractCegarLoop]: Abstraction has 850 states and 973 transitions. [2019-10-15 01:22:09,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 973 transitions. [2019-10-15 01:22:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-15 01:22:09,636 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:09,637 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:09,637 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:09,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:09,637 INFO L82 PathProgramCache]: Analyzing trace with hash -701597495, now seen corresponding path program 1 times [2019-10-15 01:22:09,637 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:09,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070529605] [2019-10-15 01:22:09,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 01:22:09,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070529605] [2019-10-15 01:22:09,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088401463] [2019-10-15 01:22:09,785 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 [2019-10-15 01:22:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:09,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:10,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:22:10,236 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 01:22:10,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [346964910] [2019-10-15 01:22:10,701 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 194 [2019-10-15 01:22:10,756 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:10,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:10,838 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:10,841 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. [2019-10-15 01:22:10,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:10,845 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:10,924 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:10,924 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:10,928 INFO L553 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2019-10-15 01:22:10,929 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:10,929 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:10,930 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:22:10,930 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642397502] [2019-10-15 01:22:10,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:10,931 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:10,932 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:10,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:10,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:10,932 INFO L87 Difference]: Start difference. First operand 850 states and 973 transitions. Second operand 2 states. [2019-10-15 01:22:10,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:10,943 INFO L93 Difference]: Finished difference Result 850 states and 973 transitions. [2019-10-15 01:22:10,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:10,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 193 [2019-10-15 01:22:10,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:10,944 INFO L225 Difference]: With dead ends: 850 [2019-10-15 01:22:10,944 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:10,946 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:10,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:10,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:10,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-10-15 01:22:10,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:10,947 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:10,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:10,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:11,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:11,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:11,445 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-15 01:22:11,445 INFO L443 ceAbstractionStarter]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2019-10-15 01:22:11,445 INFO L443 ceAbstractionStarter]: For program point L566(lines 543 567) no Hoare annotation was computed. [2019-10-15 01:22:11,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2019-10-15 01:22:11,445 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 554) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2019-10-15 01:22:11,446 INFO L443 ceAbstractionStarter]: For program point L627(lines 600 628) no Hoare annotation was computed. [2019-10-15 01:22:11,447 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2019-10-15 01:22:11,447 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-10-15 01:22:11,447 INFO L443 ceAbstractionStarter]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-10-15 01:22:11,447 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2019-10-15 01:22:11,447 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 904 910) the Hoare annotation is: true [2019-10-15 01:22:11,447 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 904 910) no Hoare annotation was computed. [2019-10-15 01:22:11,448 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 911 919) no Hoare annotation was computed. [2019-10-15 01:22:11,448 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 911 919) the Hoare annotation is: true [2019-10-15 01:22:11,448 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 911 919) no Hoare annotation was computed. [2019-10-15 01:22:11,448 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 835 842) the Hoare annotation is: true [2019-10-15 01:22:11,448 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 835 842) no Hoare annotation was computed. [2019-10-15 01:22:11,448 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 835 842) no Hoare annotation was computed. [2019-10-15 01:22:11,448 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-15 01:22:11,448 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 843 852) the Hoare annotation is: true [2019-10-15 01:22:11,448 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 843 852) no Hoare annotation was computed. [2019-10-15 01:22:11,449 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 843 852) no Hoare annotation was computed. [2019-10-15 01:22:11,449 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 875) no Hoare annotation was computed. [2019-10-15 01:22:11,449 INFO L446 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: true [2019-10-15 01:22:11,449 INFO L443 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2019-10-15 01:22:11,449 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 878) no Hoare annotation was computed. [2019-10-15 01:22:11,449 INFO L443 ceAbstractionStarter]: For program point L861-1(lines 853 881) no Hoare annotation was computed. [2019-10-15 01:22:11,449 INFO L446 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2019-10-15 01:22:11,449 INFO L443 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2019-10-15 01:22:11,450 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 853 881) the Hoare annotation is: true [2019-10-15 01:22:11,450 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 853 881) no Hoare annotation was computed. [2019-10-15 01:22:11,450 INFO L446 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: true [2019-10-15 01:22:11,450 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2019-10-15 01:22:11,450 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 1003 1025) the Hoare annotation is: true [2019-10-15 01:22:11,450 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 1003 1025) no Hoare annotation was computed. [2019-10-15 01:22:11,450 INFO L446 ceAbstractionStarter]: At program point L1015(line 1015) the Hoare annotation is: true [2019-10-15 01:22:11,450 INFO L446 ceAbstractionStarter]: At program point L1015-1(line 1015) the Hoare annotation is: true [2019-10-15 01:22:11,450 INFO L443 ceAbstractionStarter]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2019-10-15 01:22:11,451 INFO L443 ceAbstractionStarter]: For program point L1013-1(lines 1013 1020) no Hoare annotation was computed. [2019-10-15 01:22:11,451 INFO L443 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2019-10-15 01:22:11,451 INFO L446 ceAbstractionStarter]: At program point L1010(line 1010) the Hoare annotation is: true [2019-10-15 01:22:11,451 INFO L446 ceAbstractionStarter]: At program point L1009(line 1009) the Hoare annotation is: true [2019-10-15 01:22:11,451 INFO L446 ceAbstractionStarter]: At program point L1009-1(line 1009) the Hoare annotation is: true [2019-10-15 01:22:11,451 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 1003 1025) no Hoare annotation was computed. [2019-10-15 01:22:11,451 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 961 984) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 961 984) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 961 984) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point L979(line 979) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-10-15 01:22:11,452 INFO L443 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L972(line 972) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-15 01:22:11,453 INFO L443 ceAbstractionStarter]: For program point L966(line 966) no Hoare annotation was computed. [2019-10-15 01:22:11,454 INFO L443 ceAbstractionStarter]: For program point L192(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:22:11,454 INFO L446 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2019-10-15 01:22:11,454 INFO L443 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2019-10-15 01:22:11,454 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 205) no Hoare annotation was computed. [2019-10-15 01:22:11,454 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 184 208) the Hoare annotation is: true [2019-10-15 01:22:11,454 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 184 208) no Hoare annotation was computed. [2019-10-15 01:22:11,454 INFO L446 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: true [2019-10-15 01:22:11,455 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2019-10-15 01:22:11,455 INFO L446 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: true [2019-10-15 01:22:11,455 INFO L446 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: true [2019-10-15 01:22:11,455 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 279 287) no Hoare annotation was computed. [2019-10-15 01:22:11,455 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 279 287) the Hoare annotation is: true [2019-10-15 01:22:11,455 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 279 287) no Hoare annotation was computed. [2019-10-15 01:22:11,455 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 356) no Hoare annotation was computed. [2019-10-15 01:22:11,455 INFO L446 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: true [2019-10-15 01:22:11,456 INFO L443 ceAbstractionStarter]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2019-10-15 01:22:11,456 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-15 01:22:11,456 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 343 361) the Hoare annotation is: true [2019-10-15 01:22:11,456 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 343 361) no Hoare annotation was computed. [2019-10-15 01:22:11,456 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 343 361) no Hoare annotation was computed. [2019-10-15 01:22:11,456 INFO L443 ceAbstractionStarter]: For program point L318(line 318) no Hoare annotation was computed. [2019-10-15 01:22:11,456 INFO L443 ceAbstractionStarter]: For program point L318-1(line 318) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 315) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point L307-2(lines 307 315) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 288 323) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 303) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 288 323) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point L295-2(lines 295 303) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 288 323) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 897 903) no Hoare annotation was computed. [2019-10-15 01:22:11,457 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 897 903) the Hoare annotation is: true [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 820) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 813) no Hoare annotation was computed. [2019-10-15 01:22:11,458 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2019-10-15 01:22:11,459 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 992 1002) the Hoare annotation is: true [2019-10-15 01:22:11,459 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 992 1002) no Hoare annotation was computed. [2019-10-15 01:22:11,459 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 992 1002) no Hoare annotation was computed. [2019-10-15 01:22:11,459 INFO L446 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: true [2019-10-15 01:22:11,459 INFO L446 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: true [2019-10-15 01:22:11,459 INFO L443 ceAbstractionStarter]: For program point L273-1(line 273) no Hoare annotation was computed. [2019-10-15 01:22:11,459 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 268 278) the Hoare annotation is: true [2019-10-15 01:22:11,459 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 268 278) no Hoare annotation was computed. [2019-10-15 01:22:11,460 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 268 278) no Hoare annotation was computed. [2019-10-15 01:22:11,460 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 260 267) the Hoare annotation is: true [2019-10-15 01:22:11,460 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 260 267) no Hoare annotation was computed. [2019-10-15 01:22:11,460 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 260 267) no Hoare annotation was computed. [2019-10-15 01:22:11,460 INFO L443 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2019-10-15 01:22:11,460 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2019-10-15 01:22:11,460 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2019-10-15 01:22:11,461 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2019-10-15 01:22:11,461 INFO L446 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: true [2019-10-15 01:22:11,461 INFO L446 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: true [2019-10-15 01:22:11,461 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 226) no Hoare annotation was computed. [2019-10-15 01:22:11,461 INFO L446 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2019-10-15 01:22:11,461 INFO L443 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2019-10-15 01:22:11,461 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 210 234) no Hoare annotation was computed. [2019-10-15 01:22:11,461 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 231) no Hoare annotation was computed. [2019-10-15 01:22:11,462 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 210 234) the Hoare annotation is: true [2019-10-15 01:22:11,462 INFO L446 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: true [2019-10-15 01:22:11,462 INFO L443 ceAbstractionStarter]: For program point L229-1(lines 210 234) no Hoare annotation was computed. [2019-10-15 01:22:11,462 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2019-10-15 01:22:11,462 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2019-10-15 01:22:11,462 INFO L446 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: true [2019-10-15 01:22:11,462 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2019-10-15 01:22:11,462 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: true [2019-10-15 01:22:11,463 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2019-10-15 01:22:11,463 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-15 01:22:11,463 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2019-10-15 01:22:11,463 INFO L446 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: true [2019-10-15 01:22:11,463 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-10-15 01:22:11,463 INFO L446 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: true [2019-10-15 01:22:11,463 INFO L443 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2019-10-15 01:22:11,463 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2019-10-15 01:22:11,463 INFO L446 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: true [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2019-10-15 01:22:11,464 INFO L446 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: true [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point L760(lines 760 767) no Hoare annotation was computed. [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 774) no Hoare annotation was computed. [2019-10-15 01:22:11,464 INFO L443 ceAbstractionStarter]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2019-10-15 01:22:11,465 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2019-10-15 01:22:11,465 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 235 242) the Hoare annotation is: true [2019-10-15 01:22:11,465 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 235 242) no Hoare annotation was computed. [2019-10-15 01:22:11,465 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 235 242) no Hoare annotation was computed. [2019-10-15 01:22:11,465 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 457 465) no Hoare annotation was computed. [2019-10-15 01:22:11,465 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 457 465) the Hoare annotation is: true [2019-10-15 01:22:11,465 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 457 465) no Hoare annotation was computed. [2019-10-15 01:22:11,465 INFO L443 ceAbstractionStarter]: For program point L419-2(lines 419 427) no Hoare annotation was computed. [2019-10-15 01:22:11,465 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 411 433) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 411 433) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 411 433) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 427) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point L702(line 702) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 736) no Hoare annotation was computed. [2019-10-15 01:22:11,466 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 692) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point L707(lines 685 708) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 682) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 733) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 706) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-10-15 01:22:11,467 INFO L443 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2019-10-15 01:22:11,468 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 724) no Hoare annotation was computed. [2019-10-15 01:22:11,468 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 887 896) no Hoare annotation was computed. [2019-10-15 01:22:11,468 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 887 896) no Hoare annotation was computed. [2019-10-15 01:22:11,468 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 887 896) no Hoare annotation was computed. [2019-10-15 01:22:11,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:11,468 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))) [2019-10-15 01:22:11,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:11,469 INFO L446 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: true [2019-10-15 01:22:11,469 INFO L443 ceAbstractionStarter]: For program point L254-1(lines 243 259) no Hoare annotation was computed. [2019-10-15 01:22:11,469 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 243 259) no Hoare annotation was computed. [2019-10-15 01:22:11,469 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 256) no Hoare annotation was computed. [2019-10-15 01:22:11,469 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 243 259) the Hoare annotation is: true [2019-10-15 01:22:11,469 INFO L446 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: true [2019-10-15 01:22:11,469 INFO L443 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2019-10-15 01:22:11,469 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2019-10-15 01:22:11,469 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 337) no Hoare annotation was computed. [2019-10-15 01:22:11,470 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-15 01:22:11,470 INFO L443 ceAbstractionStarter]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2019-10-15 01:22:11,470 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-15 01:22:11,470 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 324 342) the Hoare annotation is: true [2019-10-15 01:22:11,470 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2019-10-15 01:22:11,470 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2019-10-15 01:22:11,470 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2019-10-15 01:22:11,470 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2019-10-15 01:22:11,470 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: true [2019-10-15 01:22:11,471 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2019-10-15 01:22:11,471 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2019-10-15 01:22:11,471 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:11,471 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:11,471 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:11,471 INFO L443 ceAbstractionStarter]: For program point L128(lines 126 148) no Hoare annotation was computed. [2019-10-15 01:22:11,471 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 123 149) the Hoare annotation is: true [2019-10-15 01:22:11,472 INFO L446 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: true [2019-10-15 01:22:11,472 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 123 149) no Hoare annotation was computed. [2019-10-15 01:22:11,472 INFO L446 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: true [2019-10-15 01:22:11,472 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 123 149) no Hoare annotation was computed. [2019-10-15 01:22:11,472 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-10-15 01:22:11,472 INFO L443 ceAbstractionStarter]: For program point L130(lines 126 148) no Hoare annotation was computed. [2019-10-15 01:22:11,472 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2019-10-15 01:22:11,472 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2019-10-15 01:22:11,472 INFO L446 ceAbstractionStarter]: At program point L956(lines 931 960) the Hoare annotation is: true [2019-10-15 01:22:11,473 INFO L443 ceAbstractionStarter]: For program point L952(line 952) no Hoare annotation was computed. [2019-10-15 01:22:11,473 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2019-10-15 01:22:11,473 INFO L446 ceAbstractionStarter]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2019-10-15 01:22:11,473 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-15 01:22:11,473 INFO L446 ceAbstractionStarter]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2019-10-15 01:22:11,473 INFO L446 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: true [2019-10-15 01:22:11,473 INFO L443 ceAbstractionStarter]: For program point L937-1(line 937) no Hoare annotation was computed. [2019-10-15 01:22:11,473 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2019-10-15 01:22:11,473 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2019-10-15 01:22:11,474 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2019-10-15 01:22:11,474 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2019-10-15 01:22:11,474 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 366 377) the Hoare annotation is: true [2019-10-15 01:22:11,474 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2019-10-15 01:22:11,474 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 985 991) no Hoare annotation was computed. [2019-10-15 01:22:11,474 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 985 991) the Hoare annotation is: true [2019-10-15 01:22:11,474 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:11,474 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:11,474 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:11,475 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:11,475 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 158 182) the Hoare annotation is: true [2019-10-15 01:22:11,475 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 158 182) no Hoare annotation was computed. [2019-10-15 01:22:11,475 INFO L446 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: true [2019-10-15 01:22:11,475 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2019-10-15 01:22:11,475 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-15 01:22:11,475 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-10-15 01:22:11,475 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2019-10-15 01:22:11,476 INFO L446 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: true [2019-10-15 01:22:11,476 INFO L443 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2019-10-15 01:22:11,476 INFO L443 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2019-10-15 01:22:11,476 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2019-10-15 01:22:11,476 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2019-10-15 01:22:11,476 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 378 389) the Hoare annotation is: true [2019-10-15 01:22:11,476 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 925) no Hoare annotation was computed. [2019-10-15 01:22:11,476 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 921 928) no Hoare annotation was computed. [2019-10-15 01:22:11,477 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 921 928) the Hoare annotation is: true [2019-10-15 01:22:11,477 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 921 928) no Hoare annotation was computed. [2019-10-15 01:22:11,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:11 BoogieIcfgContainer [2019-10-15 01:22:11,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:11,489 INFO L168 Benchmark]: Toolchain (without parser) took 8953.90 ms. Allocated memory was 137.9 MB in the beginning and 376.4 MB in the end (delta: 238.6 MB). Free memory was 100.5 MB in the beginning and 275.7 MB in the end (delta: -175.3 MB). Peak memory consumption was 208.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:11,490 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:22:11,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.91 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 168.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:11,492 INFO L168 Benchmark]: Boogie Preprocessor took 92.10 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 163.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:11,493 INFO L168 Benchmark]: RCFGBuilder took 1144.86 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.7 MB in the beginning and 192.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:11,493 INFO L168 Benchmark]: TraceAbstraction took 7029.98 ms. Allocated memory was 234.4 MB in the beginning and 376.4 MB in the end (delta: 142.1 MB). Free memory was 192.3 MB in the beginning and 275.7 MB in the end (delta: -83.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:11,498 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 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.91 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.2 MB in the beginning and 168.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.10 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 163.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1144.86 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.7 MB in the beginning and 192.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7029.98 ms. Allocated memory was 234.4 MB in the beginning and 376.4 MB in the end (delta: 142.1 MB). Free memory was 192.3 MB in the beginning and 275.7 MB in the end (delta: -83.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 925]: 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: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. Result: SAFE, OverallTime: 6.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1789 SDtfs, 1304 SDslu, 3575 SDs, 0 SdLazy, 2042 SolverSat, 475 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 298 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=850occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 126 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1134 PreInvPairs, 1135 NumberOfFragments, 82 HoareAnnotationTreeSize, 1134 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 72 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1199 NumberOfCodeBlocks, 1199 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1380 ConstructedInterpolants, 0 QuantifiedInterpolants, 319602 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1001 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 154/189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 145, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7864583333333334, 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...