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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:42,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:42,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:42,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:42,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:42,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:42,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:42,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:42,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:42,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:42,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:42,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:42,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:42,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:42,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:42,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:42,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:42,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:42,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:42,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:43,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:43,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:43,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:43,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:43,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:43,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:43,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:43,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:43,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:43,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:43,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:43,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:43,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:43,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:43,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:43,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:43,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:43,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:43,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:43,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:43,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:43,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:43,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:43,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:43,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:43,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:43,054 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:43,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:43,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:43,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:43,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:43,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:43,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:43,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:43,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:43,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:43,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:43,056 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:43,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:43,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:43,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:43,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:43,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:43,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:43,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:43,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:43,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:43,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:43,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:43,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:43,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:43,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:43,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:43,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:43,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:43,449 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:43,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2019-10-13 21:22:43,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd71caef0/4e62dd47adb64e4d923092abb422043a/FLAG09caa7635 [2019-10-13 21:22:44,109 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:44,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2019-10-13 21:22:44,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd71caef0/4e62dd47adb64e4d923092abb422043a/FLAG09caa7635 [2019-10-13 21:22:44,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd71caef0/4e62dd47adb64e4d923092abb422043a [2019-10-13 21:22:44,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:44,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:44,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:44,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:44,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:44,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:44" (1/1) ... [2019-10-13 21:22:44,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a295c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:44, skipping insertion in model container [2019-10-13 21:22:44,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:44" (1/1) ... [2019-10-13 21:22:44,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:44,489 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:44,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:44,945 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:45,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:45,100 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:45,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45 WrapperNode [2019-10-13 21:22:45,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:45,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:45,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:45,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:45,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:45,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:45,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:45,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:45,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:46,351 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:46,351 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:46,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:46 BoogieIcfgContainer [2019-10-13 21:22:46,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:46,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:46,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:46,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:46,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:44" (1/3) ... [2019-10-13 21:22:46,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73683a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:46, skipping insertion in model container [2019-10-13 21:22:46,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (2/3) ... [2019-10-13 21:22:46,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73683a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:46, skipping insertion in model container [2019-10-13 21:22:46,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:46" (3/3) ... [2019-10-13 21:22:46,363 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2019-10-13 21:22:46,373 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:46,385 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:46,396 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:46,432 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:46,432 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:46,433 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:46,433 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:46,433 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:46,433 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:46,433 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:46,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2019-10-13 21:22:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:46,465 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,466 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:46,468 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,474 INFO L82 PathProgramCache]: Analyzing trace with hash -587014934, now seen corresponding path program 1 times [2019-10-13 21:22:46,484 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286017086] [2019-10-13 21:22:46,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:46,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286017086] [2019-10-13 21:22:46,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:46,882 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772902807] [2019-10-13 21:22:46,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:46,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:46,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:46,912 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2019-10-13 21:22:46,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,982 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2019-10-13 21:22:46,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:46,984 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:46,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,998 INFO L225 Difference]: With dead ends: 282 [2019-10-13 21:22:46,998 INFO L226 Difference]: Without dead ends: 143 [2019-10-13 21:22:47,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-13 21:22:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-13 21:22:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-13 21:22:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2019-10-13 21:22:47,063 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 59 [2019-10-13 21:22:47,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,064 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2019-10-13 21:22:47,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2019-10-13 21:22:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:47,068 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,069 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:47,069 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,070 INFO L82 PathProgramCache]: Analyzing trace with hash 272490530, now seen corresponding path program 1 times [2019-10-13 21:22:47,070 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019653895] [2019-10-13 21:22:47,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:47,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019653895] [2019-10-13 21:22:47,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:47,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:47,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272893252] [2019-10-13 21:22:47,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:47,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:47,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:47,282 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2019-10-13 21:22:47,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:47,664 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2019-10-13 21:22:47,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:47,665 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:47,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:47,668 INFO L225 Difference]: With dead ends: 258 [2019-10-13 21:22:47,669 INFO L226 Difference]: Without dead ends: 143 [2019-10-13 21:22:47,671 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 [2019-10-13 21:22:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-13 21:22:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-13 21:22:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-13 21:22:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2019-10-13 21:22:47,710 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 64 [2019-10-13 21:22:47,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,721 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2019-10-13 21:22:47,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2019-10-13 21:22:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 21:22:47,730 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,730 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] [2019-10-13 21:22:47,731 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1080536843, now seen corresponding path program 1 times [2019-10-13 21:22:47,732 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,732 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946309037] [2019-10-13 21:22:47,732 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,732 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:47,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946309037] [2019-10-13 21:22:47,896 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:47,896 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:47,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948227769] [2019-10-13 21:22:47,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:47,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:47,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:47,934 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2019-10-13 21:22:48,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:48,636 INFO L93 Difference]: Finished difference Result 407 states and 516 transitions. [2019-10-13 21:22:48,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:48,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-13 21:22:48,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:48,641 INFO L225 Difference]: With dead ends: 407 [2019-10-13 21:22:48,641 INFO L226 Difference]: Without dead ends: 292 [2019-10-13 21:22:48,643 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:48,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-10-13 21:22:48,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 257. [2019-10-13 21:22:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-10-13 21:22:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 306 transitions. [2019-10-13 21:22:48,700 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 306 transitions. Word has length 77 [2019-10-13 21:22:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:48,701 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 306 transitions. [2019-10-13 21:22:48,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 306 transitions. [2019-10-13 21:22:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:48,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:48,705 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] [2019-10-13 21:22:48,705 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:48,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:48,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1220837886, now seen corresponding path program 1 times [2019-10-13 21:22:48,706 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:48,706 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627840720] [2019-10-13 21:22:48,706 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,707 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:48,807 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627840720] [2019-10-13 21:22:48,807 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:48,808 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:48,808 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134579307] [2019-10-13 21:22:48,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:48,809 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:48,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:48,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:48,809 INFO L87 Difference]: Start difference. First operand 257 states and 306 transitions. Second operand 3 states. [2019-10-13 21:22:48,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:48,846 INFO L93 Difference]: Finished difference Result 420 states and 483 transitions. [2019-10-13 21:22:48,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:48,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2019-10-13 21:22:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:48,857 INFO L225 Difference]: With dead ends: 420 [2019-10-13 21:22:48,857 INFO L226 Difference]: Without dead ends: 227 [2019-10-13 21:22:48,858 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-13 21:22:48,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2019-10-13 21:22:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-10-13 21:22:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2019-10-13 21:22:48,910 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 87 [2019-10-13 21:22:48,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:48,911 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2019-10-13 21:22:48,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2019-10-13 21:22:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-13 21:22:48,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:48,916 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] [2019-10-13 21:22:48,921 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:48,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:48,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1912690952, now seen corresponding path program 1 times [2019-10-13 21:22:48,922 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:48,922 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264858810] [2019-10-13 21:22:48,922 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,922 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:49,141 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264858810] [2019-10-13 21:22:49,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:49,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:49,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321091237] [2019-10-13 21:22:49,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:49,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:49,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:49,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:49,145 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 7 states. [2019-10-13 21:22:49,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:49,779 INFO L93 Difference]: Finished difference Result 443 states and 521 transitions. [2019-10-13 21:22:49,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:49,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-10-13 21:22:49,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:49,784 INFO L225 Difference]: With dead ends: 443 [2019-10-13 21:22:49,784 INFO L226 Difference]: Without dead ends: 244 [2019-10-13 21:22:49,785 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:49,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-10-13 21:22:49,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 226. [2019-10-13 21:22:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-10-13 21:22:49,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2019-10-13 21:22:49,803 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 91 [2019-10-13 21:22:49,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:49,803 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2019-10-13 21:22:49,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2019-10-13 21:22:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:22:49,806 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:49,806 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] [2019-10-13 21:22:49,806 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:49,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:49,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1624249196, now seen corresponding path program 1 times [2019-10-13 21:22:49,807 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:49,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849217487] [2019-10-13 21:22:49,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:49,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:49,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:49,905 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849217487] [2019-10-13 21:22:49,905 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:49,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:49,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409587270] [2019-10-13 21:22:49,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:49,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:49,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:49,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:49,907 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand 6 states. [2019-10-13 21:22:49,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:49,950 INFO L93 Difference]: Finished difference Result 431 states and 500 transitions. [2019-10-13 21:22:49,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:49,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-10-13 21:22:49,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:49,958 INFO L225 Difference]: With dead ends: 431 [2019-10-13 21:22:49,959 INFO L226 Difference]: Without dead ends: 233 [2019-10-13 21:22:49,960 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:49,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-10-13 21:22:49,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2019-10-13 21:22:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-10-13 21:22:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 261 transitions. [2019-10-13 21:22:49,976 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 261 transitions. Word has length 107 [2019-10-13 21:22:49,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:49,977 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 261 transitions. [2019-10-13 21:22:49,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 261 transitions. [2019-10-13 21:22:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:22:49,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:49,979 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] [2019-10-13 21:22:49,979 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:49,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:49,980 INFO L82 PathProgramCache]: Analyzing trace with hash 304023506, now seen corresponding path program 1 times [2019-10-13 21:22:49,980 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:49,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498601488] [2019-10-13 21:22:49,980 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:49,980 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:49,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:50,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498601488] [2019-10-13 21:22:50,068 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:50,068 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:50,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115137813] [2019-10-13 21:22:50,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:50,069 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:50,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:50,070 INFO L87 Difference]: Start difference. First operand 231 states and 261 transitions. Second operand 8 states. [2019-10-13 21:22:50,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,105 INFO L93 Difference]: Finished difference Result 441 states and 511 transitions. [2019-10-13 21:22:50,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:50,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-13 21:22:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,108 INFO L225 Difference]: With dead ends: 441 [2019-10-13 21:22:50,108 INFO L226 Difference]: Without dead ends: 238 [2019-10-13 21:22:50,109 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:50,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-13 21:22:50,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2019-10-13 21:22:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-10-13 21:22:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 265 transitions. [2019-10-13 21:22:50,123 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 265 transitions. Word has length 107 [2019-10-13 21:22:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,124 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 265 transitions. [2019-10-13 21:22:50,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 265 transitions. [2019-10-13 21:22:50,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:22:50,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,126 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] [2019-10-13 21:22:50,126 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,127 INFO L82 PathProgramCache]: Analyzing trace with hash 63483377, now seen corresponding path program 1 times [2019-10-13 21:22:50,127 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,127 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003784333] [2019-10-13 21:22:50,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:50,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003784333] [2019-10-13 21:22:50,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:50,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:50,208 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594927834] [2019-10-13 21:22:50,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:50,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:50,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:50,210 INFO L87 Difference]: Start difference. First operand 235 states and 265 transitions. Second operand 4 states. [2019-10-13 21:22:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,447 INFO L93 Difference]: Finished difference Result 667 states and 790 transitions. [2019-10-13 21:22:50,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:50,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-10-13 21:22:50,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,450 INFO L225 Difference]: With dead ends: 667 [2019-10-13 21:22:50,451 INFO L226 Difference]: Without dead ends: 460 [2019-10-13 21:22:50,452 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 [2019-10-13 21:22:50,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-13 21:22:50,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 451. [2019-10-13 21:22:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-13 21:22:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 524 transitions. [2019-10-13 21:22:50,486 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 524 transitions. Word has length 107 [2019-10-13 21:22:50,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,487 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 524 transitions. [2019-10-13 21:22:50,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:50,487 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 524 transitions. [2019-10-13 21:22:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-13 21:22:50,491 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,492 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] [2019-10-13 21:22:50,492 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1148604343, now seen corresponding path program 1 times [2019-10-13 21:22:50,493 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,493 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888456495] [2019-10-13 21:22:50,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:50,700 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888456495] [2019-10-13 21:22:50,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:50,700 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:50,700 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615297187] [2019-10-13 21:22:50,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:50,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:50,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:50,702 INFO L87 Difference]: Start difference. First operand 451 states and 524 transitions. Second operand 9 states. [2019-10-13 21:22:51,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:51,748 INFO L93 Difference]: Finished difference Result 1184 states and 1440 transitions. [2019-10-13 21:22:51,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:51,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2019-10-13 21:22:51,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:51,754 INFO L225 Difference]: With dead ends: 1184 [2019-10-13 21:22:51,754 INFO L226 Difference]: Without dead ends: 829 [2019-10-13 21:22:51,756 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 [2019-10-13 21:22:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2019-10-13 21:22:51,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 756. [2019-10-13 21:22:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2019-10-13 21:22:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 868 transitions. [2019-10-13 21:22:51,807 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 868 transitions. Word has length 111 [2019-10-13 21:22:51,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:51,808 INFO L462 AbstractCegarLoop]: Abstraction has 756 states and 868 transitions. [2019-10-13 21:22:51,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 868 transitions. [2019-10-13 21:22:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 21:22:51,811 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:51,811 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:51,812 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:51,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:51,812 INFO L82 PathProgramCache]: Analyzing trace with hash 490171745, now seen corresponding path program 1 times [2019-10-13 21:22:51,812 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:51,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246602404] [2019-10-13 21:22:51,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:52,032 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246602404] [2019-10-13 21:22:52,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112410741] [2019-10-13 21:22:52,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:52,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:52,440 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:52,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [35517170] [2019-10-13 21:22:52,941 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 171 [2019-10-13 21:22:52,990 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:52,991 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:53,070 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:53,071 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,077 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:53,139 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:53,139 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:53,143 INFO L553 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2019-10-13 21:22:53,144 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:53,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:53,145 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:53,145 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161897345] [2019-10-13 21:22:53,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:53,147 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:53,147 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:53,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:53,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:53,147 INFO L87 Difference]: Start difference. First operand 756 states and 868 transitions. Second operand 2 states. [2019-10-13 21:22:53,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:53,160 INFO L93 Difference]: Finished difference Result 756 states and 868 transitions. [2019-10-13 21:22:53,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:53,161 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 170 [2019-10-13 21:22:53,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:53,161 INFO L225 Difference]: With dead ends: 756 [2019-10-13 21:22:53,161 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:53,164 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:53,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:53,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:53,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:53,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2019-10-13 21:22:53,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:53,165 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:53,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:53,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:53,372 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:53,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:53,739 INFO L443 ceAbstractionStarter]: For program point L227-2(lines 227 248) no Hoare annotation was computed. [2019-10-13 21:22:53,739 INFO L443 ceAbstractionStarter]: For program point L249(lines 226 250) no Hoare annotation was computed. [2019-10-13 21:22:53,740 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 202 257) no Hoare annotation was computed. [2019-10-13 21:22:53,740 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 237) no Hoare annotation was computed. [2019-10-13 21:22:53,740 INFO L443 ceAbstractionStarter]: For program point L233-1(lines 233 237) no Hoare annotation was computed. [2019-10-13 21:22:53,740 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 202 257) no Hoare annotation was computed. [2019-10-13 21:22:53,740 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-13 21:22:53,741 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 202 257) no Hoare annotation was computed. [2019-10-13 21:22:53,741 INFO L443 ceAbstractionStarter]: For program point L290-1(lines 290 294) no Hoare annotation was computed. [2019-10-13 21:22:53,741 INFO L443 ceAbstractionStarter]: For program point L285(line 285) no Hoare annotation was computed. [2019-10-13 21:22:53,741 INFO L443 ceAbstractionStarter]: For program point L284-2(lines 284 309) no Hoare annotation was computed. [2019-10-13 21:22:53,741 INFO L443 ceAbstractionStarter]: For program point L310(lines 283 311) no Hoare annotation was computed. [2019-10-13 21:22:53,741 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 258 317) no Hoare annotation was computed. [2019-10-13 21:22:53,742 INFO L443 ceAbstractionStarter]: For program point L303(line 303) no Hoare annotation was computed. [2019-10-13 21:22:53,742 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 258 317) no Hoare annotation was computed. [2019-10-13 21:22:53,742 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-10-13 21:22:53,742 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 258 317) no Hoare annotation was computed. [2019-10-13 21:22:53,742 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 294) no Hoare annotation was computed. [2019-10-13 21:22:53,743 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2019-10-13 21:22:53,743 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2019-10-13 21:22:53,743 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2019-10-13 21:22:53,743 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2019-10-13 21:22:53,744 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2019-10-13 21:22:53,744 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 518 525) the Hoare annotation is: true [2019-10-13 21:22:53,744 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 518 525) no Hoare annotation was computed. [2019-10-13 21:22:53,744 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 518 525) no Hoare annotation was computed. [2019-10-13 21:22:53,744 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 526 535) the Hoare annotation is: true [2019-10-13 21:22:53,744 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 526 535) no Hoare annotation was computed. [2019-10-13 21:22:53,744 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 526 535) no Hoare annotation was computed. [2019-10-13 21:22:53,745 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-13 21:22:53,745 INFO L443 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2019-10-13 21:22:53,745 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2019-10-13 21:22:53,745 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2019-10-13 21:22:53,745 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-10-13 21:22:53,745 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-10-13 21:22:53,745 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 536 564) the Hoare annotation is: true [2019-10-13 21:22:53,746 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 536 564) no Hoare annotation was computed. [2019-10-13 21:22:53,746 INFO L446 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2019-10-13 21:22:53,746 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2019-10-13 21:22:53,746 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2019-10-13 21:22:53,746 INFO L446 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2019-10-13 21:22:53,746 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 945 967) the Hoare annotation is: true [2019-10-13 21:22:53,746 INFO L446 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: true [2019-10-13 21:22:53,747 INFO L446 ceAbstractionStarter]: At program point L957-1(line 957) the Hoare annotation is: true [2019-10-13 21:22:53,747 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 962) no Hoare annotation was computed. [2019-10-13 21:22:53,747 INFO L443 ceAbstractionStarter]: For program point L955-1(lines 955 962) no Hoare annotation was computed. [2019-10-13 21:22:53,747 INFO L443 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-10-13 21:22:53,747 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 945 967) no Hoare annotation was computed. [2019-10-13 21:22:53,747 INFO L446 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2019-10-13 21:22:53,747 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-13 21:22:53,748 INFO L446 ceAbstractionStarter]: At program point L951-1(line 951) the Hoare annotation is: true [2019-10-13 21:22:53,748 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 945 967) no Hoare annotation was computed. [2019-10-13 21:22:53,748 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 903 926) no Hoare annotation was computed. [2019-10-13 21:22:53,748 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 903 926) no Hoare annotation was computed. [2019-10-13 21:22:53,748 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 903 926) no Hoare annotation was computed. [2019-10-13 21:22:53,748 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-13 21:22:53,748 INFO L443 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2019-10-13 21:22:53,748 INFO L443 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L913(line 913) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L911(line 911) no Hoare annotation was computed. [2019-10-13 21:22:53,749 INFO L443 ceAbstractionStarter]: For program point L910(line 910) no Hoare annotation was computed. [2019-10-13 21:22:53,750 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-10-13 21:22:53,750 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-13 21:22:53,750 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-10-13 21:22:53,750 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 608 632) no Hoare annotation was computed. [2019-10-13 21:22:53,750 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 608 632) the Hoare annotation is: true [2019-10-13 21:22:53,750 INFO L446 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: true [2019-10-13 21:22:53,750 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 608 632) no Hoare annotation was computed. [2019-10-13 21:22:53,751 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-10-13 21:22:53,751 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 624) no Hoare annotation was computed. [2019-10-13 21:22:53,751 INFO L446 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: true [2019-10-13 21:22:53,751 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 21:22:53,751 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 629) no Hoare annotation was computed. [2019-10-13 21:22:53,751 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 703 711) no Hoare annotation was computed. [2019-10-13 21:22:53,751 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 703 711) the Hoare annotation is: true [2019-10-13 21:22:53,751 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 703 711) no Hoare annotation was computed. [2019-10-13 21:22:53,752 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 739) no Hoare annotation was computed. [2019-10-13 21:22:53,752 INFO L443 ceAbstractionStarter]: For program point L731-2(lines 731 739) no Hoare annotation was computed. [2019-10-13 21:22:53,752 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 727) no Hoare annotation was computed. [2019-10-13 21:22:53,752 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 712 747) no Hoare annotation was computed. [2019-10-13 21:22:53,752 INFO L443 ceAbstractionStarter]: For program point L719-2(lines 719 727) no Hoare annotation was computed. [2019-10-13 21:22:53,753 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 712 747) no Hoare annotation was computed. [2019-10-13 21:22:53,753 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-10-13 21:22:53,753 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-13 21:22:53,753 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 712 747) no Hoare annotation was computed. [2019-10-13 21:22:53,753 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2019-10-13 21:22:53,754 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2019-10-13 21:22:53,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 156 201) no Hoare annotation was computed. [2019-10-13 21:22:53,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 156 201) no Hoare annotation was computed. [2019-10-13 21:22:53,754 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 156 201) no Hoare annotation was computed. [2019-10-13 21:22:53,754 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 469 514) no Hoare annotation was computed. [2019-10-13 21:22:53,755 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 469 514) no Hoare annotation was computed. [2019-10-13 21:22:53,755 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 496) no Hoare annotation was computed. [2019-10-13 21:22:53,755 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 469 514) no Hoare annotation was computed. [2019-10-13 21:22:53,755 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 503) no Hoare annotation was computed. [2019-10-13 21:22:53,755 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 483 503) no Hoare annotation was computed. [2019-10-13 21:22:53,756 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 934 944) the Hoare annotation is: true [2019-10-13 21:22:53,756 INFO L446 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: true [2019-10-13 21:22:53,756 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 934 944) no Hoare annotation was computed. [2019-10-13 21:22:53,756 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 934 944) no Hoare annotation was computed. [2019-10-13 21:22:53,756 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 692 702) the Hoare annotation is: true [2019-10-13 21:22:53,757 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 692 702) no Hoare annotation was computed. [2019-10-13 21:22:53,757 INFO L446 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: true [2019-10-13 21:22:53,757 INFO L443 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2019-10-13 21:22:53,757 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 692 702) no Hoare annotation was computed. [2019-10-13 21:22:53,757 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 684 691) the Hoare annotation is: true [2019-10-13 21:22:53,758 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2019-10-13 21:22:53,758 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2019-10-13 21:22:53,758 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:22:53,758 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-13 21:22:53,758 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-13 21:22:53,759 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:22:53,759 INFO L446 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: true [2019-10-13 21:22:53,759 INFO L443 ceAbstractionStarter]: For program point L640-1(line 640) no Hoare annotation was computed. [2019-10-13 21:22:53,759 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 655) no Hoare annotation was computed. [2019-10-13 21:22:53,759 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2019-10-13 21:22:53,760 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 634 658) the Hoare annotation is: true [2019-10-13 21:22:53,760 INFO L446 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2019-10-13 21:22:53,760 INFO L443 ceAbstractionStarter]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2019-10-13 21:22:53,760 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-13 21:22:53,760 INFO L446 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: true [2019-10-13 21:22:53,761 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 650) no Hoare annotation was computed. [2019-10-13 21:22:53,761 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 600 606) no Hoare annotation was computed. [2019-10-13 21:22:53,761 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 600 606) the Hoare annotation is: true [2019-10-13 21:22:53,761 INFO L446 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: true [2019-10-13 21:22:53,761 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 769 832) the Hoare annotation is: true [2019-10-13 21:22:53,762 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2019-10-13 21:22:53,762 INFO L443 ceAbstractionStarter]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2019-10-13 21:22:53,762 INFO L446 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2019-10-13 21:22:53,762 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 769 832) no Hoare annotation was computed. [2019-10-13 21:22:53,762 INFO L446 ceAbstractionStarter]: At program point L822(lines 779 824) the Hoare annotation is: true [2019-10-13 21:22:53,763 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 795) no Hoare annotation was computed. [2019-10-13 21:22:53,763 INFO L443 ceAbstractionStarter]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2019-10-13 21:22:53,763 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2019-10-13 21:22:53,763 INFO L446 ceAbstractionStarter]: At program point L825(lines 778 826) the Hoare annotation is: true [2019-10-13 21:22:53,763 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2019-10-13 21:22:53,764 INFO L446 ceAbstractionStarter]: At program point L815-2(lines 809 820) the Hoare annotation is: true [2019-10-13 21:22:53,764 INFO L443 ceAbstractionStarter]: For program point L780(lines 779 824) no Hoare annotation was computed. [2019-10-13 21:22:53,764 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 820) no Hoare annotation was computed. [2019-10-13 21:22:53,764 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 769 832) no Hoare annotation was computed. [2019-10-13 21:22:53,764 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 450) no Hoare annotation was computed. [2019-10-13 21:22:53,765 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 423 468) no Hoare annotation was computed. [2019-10-13 21:22:53,765 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 457) no Hoare annotation was computed. [2019-10-13 21:22:53,765 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 423 468) no Hoare annotation was computed. [2019-10-13 21:22:53,765 INFO L443 ceAbstractionStarter]: For program point L437-1(lines 437 457) no Hoare annotation was computed. [2019-10-13 21:22:53,765 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 423 468) no Hoare annotation was computed. [2019-10-13 21:22:53,766 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 659 666) the Hoare annotation is: true [2019-10-13 21:22:53,766 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2019-10-13 21:22:53,766 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 659 666) no Hoare annotation was computed. [2019-10-13 21:22:53,766 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:22:53,766 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:22:53,766 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:22:53,767 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:22:53,767 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:22:53,767 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 320 422) no Hoare annotation was computed. [2019-10-13 21:22:53,767 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 365) no Hoare annotation was computed. [2019-10-13 21:22:53,767 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-10-13 21:22:53,768 INFO L443 ceAbstractionStarter]: For program point L370(lines 369 389) no Hoare annotation was computed. [2019-10-13 21:22:53,768 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 21:22:53,768 INFO L443 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2019-10-13 21:22:53,768 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 407) no Hoare annotation was computed. [2019-10-13 21:22:53,768 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 320 422) no Hoare annotation was computed. [2019-10-13 21:22:53,769 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-10-13 21:22:53,769 INFO L443 ceAbstractionStarter]: For program point L385-1(line 385) no Hoare annotation was computed. [2019-10-13 21:22:53,769 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 348) no Hoare annotation was computed. [2019-10-13 21:22:53,769 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 419) no Hoare annotation was computed. [2019-10-13 21:22:53,769 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 375) no Hoare annotation was computed. [2019-10-13 21:22:53,769 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 320 422) no Hoare annotation was computed. [2019-10-13 21:22:53,769 INFO L443 ceAbstractionStarter]: For program point L369-2(lines 369 389) no Hoare annotation was computed. [2019-10-13 21:22:53,770 INFO L443 ceAbstractionStarter]: For program point L390(lines 368 391) no Hoare annotation was computed. [2019-10-13 21:22:53,770 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 838 847) no Hoare annotation was computed. [2019-10-13 21:22:53,770 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 838 847) no Hoare annotation was computed. [2019-10-13 21:22:53,770 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 838 847) no Hoare annotation was computed. [2019-10-13 21:22:53,770 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:53,770 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:53,771 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:53,771 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-10-13 21:22:53,771 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-10-13 21:22:53,771 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 667 683) no Hoare annotation was computed. [2019-10-13 21:22:53,771 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 667 683) the Hoare annotation is: true [2019-10-13 21:22:53,772 INFO L446 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: true [2019-10-13 21:22:53,772 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 667 683) no Hoare annotation was computed. [2019-10-13 21:22:53,772 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 680) no Hoare annotation was computed. [2019-10-13 21:22:53,772 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-13 21:22:53,772 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:22:53,773 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:22:53,773 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 748 766) no Hoare annotation was computed. [2019-10-13 21:22:53,773 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 748 766) the Hoare annotation is: true [2019-10-13 21:22:53,773 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 761) no Hoare annotation was computed. [2019-10-13 21:22:53,773 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 748 766) no Hoare annotation was computed. [2019-10-13 21:22:53,773 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-10-13 21:22:53,774 INFO L443 ceAbstractionStarter]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2019-10-13 21:22:53,774 INFO L443 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2019-10-13 21:22:53,774 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:22:53,774 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-13 21:22:53,774 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:22:53,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:53,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:53,775 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:53,775 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 21:22:53,775 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:22:53,776 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:22:53,776 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 573 599) the Hoare annotation is: true [2019-10-13 21:22:53,776 INFO L446 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: true [2019-10-13 21:22:53,776 INFO L446 ceAbstractionStarter]: At program point L587(lines 587 593) the Hoare annotation is: true [2019-10-13 21:22:53,776 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 573 599) no Hoare annotation was computed. [2019-10-13 21:22:53,776 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 573 599) no Hoare annotation was computed. [2019-10-13 21:22:53,777 INFO L446 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2019-10-13 21:22:53,777 INFO L443 ceAbstractionStarter]: For program point L580(lines 576 598) no Hoare annotation was computed. [2019-10-13 21:22:53,777 INFO L443 ceAbstractionStarter]: For program point L578(lines 576 598) no Hoare annotation was computed. [2019-10-13 21:22:53,777 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 873 902) no Hoare annotation was computed. [2019-10-13 21:22:53,777 INFO L443 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2019-10-13 21:22:53,778 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 873 902) the Hoare annotation is: true [2019-10-13 21:22:53,778 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 891) no Hoare annotation was computed. [2019-10-13 21:22:53,778 INFO L446 ceAbstractionStarter]: At program point L887-1(lines 887 891) the Hoare annotation is: true [2019-10-13 21:22:53,778 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-13 21:22:53,778 INFO L446 ceAbstractionStarter]: At program point L883-2(lines 883 897) the Hoare annotation is: true [2019-10-13 21:22:53,779 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-10-13 21:22:53,779 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-10-13 21:22:53,779 INFO L446 ceAbstractionStarter]: At program point L898(lines 873 902) the Hoare annotation is: true [2019-10-13 21:22:53,779 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 21:22:53,779 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:22:53,780 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:22:53,780 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 927 933) no Hoare annotation was computed. [2019-10-13 21:22:53,780 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 927 933) the Hoare annotation is: true [2019-10-13 21:22:53,780 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:53,780 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:53,781 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:53,781 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:53,781 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:22:53,781 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:22:53,781 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-13 21:22:53,782 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2019-10-13 21:22:53,782 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-13 21:22:53,782 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2019-10-13 21:22:53,782 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-13 21:22:53,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:53 BoogieIcfgContainer [2019-10-13 21:22:53,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:53,798 INFO L168 Benchmark]: Toolchain (without parser) took 9386.97 ms. Allocated memory was 136.8 MB in the beginning and 350.7 MB in the end (delta: 213.9 MB). Free memory was 101.0 MB in the beginning and 209.2 MB in the end (delta: -108.2 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:53,799 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:53,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.76 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 168.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:53,801 INFO L168 Benchmark]: Boogie Preprocessor took 85.11 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 164.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:53,802 INFO L168 Benchmark]: RCFGBuilder took 1166.07 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.2 MB in the beginning and 193.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:53,803 INFO L168 Benchmark]: TraceAbstraction took 7440.18 ms. Allocated memory was 231.2 MB in the beginning and 350.7 MB in the end (delta: 119.5 MB). Free memory was 193.7 MB in the beginning and 209.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:53,807 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 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.76 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 168.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.11 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 164.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.07 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.2 MB in the beginning and 193.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7440.18 ms. Allocated memory was 231.2 MB in the beginning and 350.7 MB in the end (delta: 119.5 MB). Free memory was 193.7 MB in the beginning and 209.2 MB in the end (delta: -15.6 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 7.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1620 SDtfs, 1208 SDslu, 3175 SDs, 0 SdLazy, 1849 SolverSat, 471 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=756occurred 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, 140 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1011 PreInvPairs, 1015 NumberOfFragments, 74 HoareAnnotationTreeSize, 1011 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 64 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1150 NumberOfCodeBlocks, 1150 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1308 ConstructedInterpolants, 0 QuantifiedInterpolants, 269834 SizeOfPredicates, 4 NumberOfNonLiveVariables, 948 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 148/177 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 137, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8106508875739645, 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...