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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:20,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:20,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:20,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:20,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:20,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:20,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:20,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:20,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:20,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:20,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:20,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:20,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:20,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:20,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:20,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:20,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:20,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:20,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:20,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:20,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:20,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:20,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:20,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:20,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:20,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:20,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:20,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:20,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:21,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:21,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:21,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:21,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:21,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:21,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:21,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:21,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:21,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:21,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:21,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:21,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:21,015 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 [2019-10-07 15:18:21,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:21,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:21,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:21,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:21,037 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:21,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:21,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:21,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:21,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:21,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:21,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:21,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:21,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:21,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:21,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:21,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:21,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:21,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:21,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:21,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:21,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:21,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:21,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:21,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:21,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:21,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:21,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:21,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:21,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:18:21,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:21,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:21,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:21,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:21,334 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:21,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2019-10-07 15:18:21,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb86a4d45/cbe90cdbcd464628ae98d3a140c1cef6/FLAG9efa3c635 [2019-10-07 15:18:21,928 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:21,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2019-10-07 15:18:21,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb86a4d45/cbe90cdbcd464628ae98d3a140c1cef6/FLAG9efa3c635 [2019-10-07 15:18:22,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb86a4d45/cbe90cdbcd464628ae98d3a140c1cef6 [2019-10-07 15:18:22,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:22,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:22,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:22,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:22,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:22,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4709edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22, skipping insertion in model container [2019-10-07 15:18:22,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,278 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:22,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:22,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:22,771 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:22,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:22,883 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:22,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22 WrapperNode [2019-10-07 15:18:22,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:22,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:22,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:22,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:22,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (1/1) ... [2019-10-07 15:18:22,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:22,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:22,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:22,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:22,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (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 [2019-10-07 15:18:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:18:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:23,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:24,490 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:24,491 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:24,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:24 BoogieIcfgContainer [2019-10-07 15:18:24,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:24,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:24,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:24,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:24,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:22" (1/3) ... [2019-10-07 15:18:24,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1b3594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:24, skipping insertion in model container [2019-10-07 15:18:24,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:22" (2/3) ... [2019-10-07 15:18:24,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1b3594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:24, skipping insertion in model container [2019-10-07 15:18:24,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:24" (3/3) ... [2019-10-07 15:18:24,500 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2019-10-07 15:18:24,510 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:24,518 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:24,530 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:24,557 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:24,557 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:24,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:24,558 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:24,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:24,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:24,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:24,559 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-10-07 15:18:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:24,591 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:24,592 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:24,594 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:24,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:24,600 INFO L82 PathProgramCache]: Analyzing trace with hash 219903127, now seen corresponding path program 1 times [2019-10-07 15:18:24,610 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:24,610 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:24,610 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:24,611 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:24,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:25,023 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:25,024 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:25,025 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:25,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:25,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:25,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:25,050 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-10-07 15:18:25,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:25,117 INFO L93 Difference]: Finished difference Result 225 states and 272 transitions. [2019-10-07 15:18:25,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:25,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-07 15:18:25,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:25,135 INFO L225 Difference]: With dead ends: 225 [2019-10-07 15:18:25,136 INFO L226 Difference]: Without dead ends: 113 [2019-10-07 15:18:25,143 INFO L606 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 [2019-10-07 15:18:25,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-07 15:18:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-07 15:18:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-07 15:18:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-07 15:18:25,194 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 47 [2019-10-07 15:18:25,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:25,195 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-07 15:18:25,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-07 15:18:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 15:18:25,202 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:25,202 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:25,204 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:25,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:25,205 INFO L82 PathProgramCache]: Analyzing trace with hash -810037747, now seen corresponding path program 1 times [2019-10-07 15:18:25,206 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:25,206 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:25,206 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:25,206 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:25,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:25,370 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:25,370 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:25,370 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:25,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:25,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:25,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:25,373 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 3 states. [2019-10-07 15:18:25,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:25,415 INFO L93 Difference]: Finished difference Result 179 states and 206 transitions. [2019-10-07 15:18:25,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:25,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 15:18:25,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:25,418 INFO L225 Difference]: With dead ends: 179 [2019-10-07 15:18:25,419 INFO L226 Difference]: Without dead ends: 105 [2019-10-07 15:18:25,422 INFO L606 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 [2019-10-07 15:18:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-07 15:18:25,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-07 15:18:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-07 15:18:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2019-10-07 15:18:25,445 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 48 [2019-10-07 15:18:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:25,446 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2019-10-07 15:18:25,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2019-10-07 15:18:25,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:18:25,455 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:25,456 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:25,457 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:25,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:25,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1859430498, now seen corresponding path program 1 times [2019-10-07 15:18:25,457 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:25,458 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:25,458 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:25,458 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:25,672 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:25,672 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:25,673 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:25,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:25,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:25,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:25,674 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 7 states. [2019-10-07 15:18:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:26,004 INFO L93 Difference]: Finished difference Result 188 states and 217 transitions. [2019-10-07 15:18:26,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:26,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:18:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:26,006 INFO L225 Difference]: With dead ends: 188 [2019-10-07 15:18:26,006 INFO L226 Difference]: Without dead ends: 105 [2019-10-07 15:18:26,007 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:26,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-07 15:18:26,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-07 15:18:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-07 15:18:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 118 transitions. [2019-10-07 15:18:26,020 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 118 transitions. Word has length 51 [2019-10-07 15:18:26,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:26,020 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 118 transitions. [2019-10-07 15:18:26,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2019-10-07 15:18:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 15:18:26,022 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:26,022 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:26,023 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:26,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:26,023 INFO L82 PathProgramCache]: Analyzing trace with hash 895060313, now seen corresponding path program 1 times [2019-10-07 15:18:26,023 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:26,023 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:26,024 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:26,024 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:26,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:26,121 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:26,121 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:26,122 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:26,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:26,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:26,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:26,124 INFO L87 Difference]: Start difference. First operand 105 states and 118 transitions. Second operand 5 states. [2019-10-07 15:18:26,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:26,617 INFO L93 Difference]: Finished difference Result 286 states and 338 transitions. [2019-10-07 15:18:26,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:26,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-07 15:18:26,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:26,624 INFO L225 Difference]: With dead ends: 286 [2019-10-07 15:18:26,624 INFO L226 Difference]: Without dead ends: 203 [2019-10-07 15:18:26,626 INFO L606 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 [2019-10-07 15:18:26,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-07 15:18:26,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2019-10-07 15:18:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-10-07 15:18:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 207 transitions. [2019-10-07 15:18:26,651 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 207 transitions. Word has length 64 [2019-10-07 15:18:26,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:26,652 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 207 transitions. [2019-10-07 15:18:26,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 207 transitions. [2019-10-07 15:18:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-07 15:18:26,654 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:26,654 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:26,654 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:26,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:26,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1688319519, now seen corresponding path program 1 times [2019-10-07 15:18:26,655 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:26,655 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:26,655 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:26,655 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:26,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:26,772 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:26,772 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:26,772 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:26,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:26,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:26,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:26,773 INFO L87 Difference]: Start difference. First operand 186 states and 207 transitions. Second operand 6 states. [2019-10-07 15:18:26,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:26,946 INFO L93 Difference]: Finished difference Result 452 states and 519 transitions. [2019-10-07 15:18:26,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:26,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-10-07 15:18:26,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:26,951 INFO L225 Difference]: With dead ends: 452 [2019-10-07 15:18:26,951 INFO L226 Difference]: Without dead ends: 288 [2019-10-07 15:18:26,952 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:18:26,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-10-07 15:18:26,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 278. [2019-10-07 15:18:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-10-07 15:18:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 313 transitions. [2019-10-07 15:18:27,000 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 313 transitions. Word has length 73 [2019-10-07 15:18:27,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:27,001 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 313 transitions. [2019-10-07 15:18:27,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 313 transitions. [2019-10-07 15:18:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 15:18:27,003 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:27,003 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:27,003 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:27,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:27,003 INFO L82 PathProgramCache]: Analyzing trace with hash -348197164, now seen corresponding path program 1 times [2019-10-07 15:18:27,004 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:27,004 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:27,004 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:27,004 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:27,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:27,142 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:27,143 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:27,143 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:27,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:27,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:27,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:27,144 INFO L87 Difference]: Start difference. First operand 278 states and 313 transitions. Second operand 10 states. [2019-10-07 15:18:27,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:27,418 INFO L93 Difference]: Finished difference Result 540 states and 611 transitions. [2019-10-07 15:18:27,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 15:18:27,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2019-10-07 15:18:27,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:27,422 INFO L225 Difference]: With dead ends: 540 [2019-10-07 15:18:27,422 INFO L226 Difference]: Without dead ends: 284 [2019-10-07 15:18:27,423 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:18:27,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-10-07 15:18:27,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 263. [2019-10-07 15:18:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2019-10-07 15:18:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 285 transitions. [2019-10-07 15:18:27,443 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 285 transitions. Word has length 76 [2019-10-07 15:18:27,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:27,444 INFO L462 AbstractCegarLoop]: Abstraction has 263 states and 285 transitions. [2019-10-07 15:18:27,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 285 transitions. [2019-10-07 15:18:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 15:18:27,448 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:27,448 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:27,448 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:27,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:27,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1280733329, now seen corresponding path program 1 times [2019-10-07 15:18:27,449 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:27,449 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:27,449 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:27,449 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:27,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:27,736 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:27,736 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:27,736 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:18:27,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:18:27,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:18:27,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:18:27,737 INFO L87 Difference]: Start difference. First operand 263 states and 285 transitions. Second operand 14 states. [2019-10-07 15:18:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:28,110 INFO L93 Difference]: Finished difference Result 529 states and 590 transitions. [2019-10-07 15:18:28,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:28,111 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 76 [2019-10-07 15:18:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:28,116 INFO L225 Difference]: With dead ends: 529 [2019-10-07 15:18:28,116 INFO L226 Difference]: Without dead ends: 365 [2019-10-07 15:18:28,117 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:18:28,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-10-07 15:18:28,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 330. [2019-10-07 15:18:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-10-07 15:18:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 360 transitions. [2019-10-07 15:18:28,156 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 360 transitions. Word has length 76 [2019-10-07 15:18:28,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:28,156 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 360 transitions. [2019-10-07 15:18:28,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:18:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 360 transitions. [2019-10-07 15:18:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 15:18:28,159 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:28,159 INFO L385 BasicCegarLoop]: trace histogram [3, 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] [2019-10-07 15:18:28,159 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:28,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:28,160 INFO L82 PathProgramCache]: Analyzing trace with hash 341622502, now seen corresponding path program 1 times [2019-10-07 15:18:28,160 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:28,160 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,160 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,160 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:18:28,303 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,303 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:28,303 INFO L95 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 [2019-10-07 15:18:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:28,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 15:18:28,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 15:18:28,732 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:28,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:28,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:28,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:29,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:29,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:18:29,132 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:29,132 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-07 15:18:29,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:18:29,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:18:29,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:18:29,134 INFO L87 Difference]: Start difference. First operand 330 states and 360 transitions. Second operand 9 states. [2019-10-07 15:18:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:29,488 INFO L93 Difference]: Finished difference Result 711 states and 795 transitions. [2019-10-07 15:18:29,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 15:18:29,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2019-10-07 15:18:29,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:29,489 INFO L225 Difference]: With dead ends: 711 [2019-10-07 15:18:29,489 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:29,491 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:29,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:29,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2019-10-07 15:18:29,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:29,493 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:29,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:18:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:29,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:29,701 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:29,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:30,705 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-07 15:18:30,993 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-10-07 15:18:31,456 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2019-10-07 15:18:32,230 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-10-07 15:18:32,666 INFO L443 ceAbstractionStarter]: For program point L444(lines 421 445) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 397 452) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point L422-2(lines 422 443) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 397 452) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point L479-2(lines 479 504) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point L505(lines 478 506) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 453 512) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-07 15:18:32,667 INFO L443 ceAbstractionStarter]: For program point L498-1(line 498) no Hoare annotation was computed. [2019-10-07 15:18:32,668 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 453 512) no Hoare annotation was computed. [2019-10-07 15:18:32,668 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 453 512) no Hoare annotation was computed. [2019-10-07 15:18:32,668 INFO L443 ceAbstractionStarter]: For program point L485(lines 485 489) no Hoare annotation was computed. [2019-10-07 15:18:32,668 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:18:32,668 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:18:32,668 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:18:32,669 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:18:32,669 INFO L443 ceAbstractionStarter]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2019-10-07 15:18:32,669 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-07 15:18:32,669 INFO L439 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,669 INFO L439 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,669 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,670 INFO L439 ceAbstractionStarter]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,670 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2019-10-07 15:18:32,670 INFO L439 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,670 INFO L439 ceAbstractionStarter]: At program point L804-1(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,670 INFO L443 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2019-10-07 15:18:32,670 INFO L443 ceAbstractionStarter]: For program point L769(line 769) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 751 774) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point L767(line 767) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 751 774) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 751 774) no Hoare annotation was computed. [2019-10-07 15:18:32,671 INFO L443 ceAbstractionStarter]: For program point L763(line 763) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point L761(line 761) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point L759(line 759) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point L756(line 756) no Hoare annotation was computed. [2019-10-07 15:18:32,672 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2019-10-07 15:18:32,673 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2019-10-07 15:18:32,673 INFO L443 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2019-10-07 15:18:32,673 INFO L443 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2019-10-07 15:18:32,673 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2019-10-07 15:18:32,673 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2019-10-07 15:18:32,673 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:18:32,673 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:18:32,674 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-07 15:18:32,674 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-07 15:18:32,674 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 664 709) no Hoare annotation was computed. [2019-10-07 15:18:32,674 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 664 709) no Hoare annotation was computed. [2019-10-07 15:18:32,674 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,674 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2019-10-07 15:18:32,674 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2019-10-07 15:18:32,675 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2019-10-07 15:18:32,675 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2019-10-07 15:18:32,675 INFO L446 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: true [2019-10-07 15:18:32,675 INFO L443 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2019-10-07 15:18:32,675 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-07 15:18:32,675 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2019-10-07 15:18:32,675 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2019-10-07 15:18:32,676 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2019-10-07 15:18:32,676 INFO L443 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2019-10-07 15:18:32,676 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-10-07 15:18:32,676 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2019-10-07 15:18:32,676 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:32,676 INFO L439 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:32,676 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2019-10-07 15:18:32,677 INFO L439 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:32,677 INFO L439 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:32,677 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-10-07 15:18:32,677 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:32,677 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2019-10-07 15:18:32,677 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2019-10-07 15:18:32,677 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,678 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2019-10-07 15:18:32,678 INFO L439 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:32,678 INFO L439 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:32,678 INFO L443 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2019-10-07 15:18:32,678 INFO L439 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:32,679 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-10-07 15:18:32,679 INFO L439 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:32,679 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2019-10-07 15:18:32,679 INFO L443 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2019-10-07 15:18:32,679 INFO L439 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:32,679 INFO L439 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) .cse2) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-07 15:18:32,679 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 618 663) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 618 663) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:18:32,680 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 515 617) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 543) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point L564-2(lines 564 584) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point L585(lines 563 586) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 515 617) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 560) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point L565(lines 564 584) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2019-10-07 15:18:32,681 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 515 617) no Hoare annotation was computed. [2019-10-07 15:18:32,682 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 602) no Hoare annotation was computed. [2019-10-07 15:18:32,682 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-07 15:18:32,682 INFO L443 ceAbstractionStarter]: For program point L580-1(line 580) no Hoare annotation was computed. [2019-10-07 15:18:32,682 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:32,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:32,682 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2019-10-07 15:18:32,682 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:32,682 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2019-10-07 15:18:32,683 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2019-10-07 15:18:32,683 INFO L446 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2019-10-07 15:18:32,683 INFO L443 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2019-10-07 15:18:32,683 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2019-10-07 15:18:32,683 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2019-10-07 15:18:32,683 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: true [2019-10-07 15:18:32,683 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2019-10-07 15:18:32,683 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:32,683 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:32,684 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (< |old(~waterLevel~0)| 2))) (.cse1 (< ~waterLevel~0 2)) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse6 .cse1) (or .cse5 (and .cse3 (= ~pumpRunning~0 1)) .cse2) (or .cse4 .cse6 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)))))) [2019-10-07 15:18:32,684 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and (= ~pumpRunning~0 1) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse2 .cse3) (or .cse0 .cse2 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:32,684 INFO L439 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or (and (not (= ~waterLevel~0 2)) .cse5 .cse1) .cse6 .cse0 .cse3 (and .cse5 .cse4))) (or (not (< |old(~waterLevel~0)| 2)) .cse6 .cse2 .cse3) (or .cse6 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:32,684 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2019-10-07 15:18:32,684 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (< |old(~waterLevel~0)| 2)) (< ~waterLevel~0 2) .cse0) (or .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-07 15:18:32,685 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2019-10-07 15:18:32,685 INFO L443 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2019-10-07 15:18:32,685 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2019-10-07 15:18:32,685 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-10-07 15:18:32,685 INFO L446 ceAbstractionStarter]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2019-10-07 15:18:32,685 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2019-10-07 15:18:32,685 INFO L446 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: true [2019-10-07 15:18:32,686 INFO L446 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2019-10-07 15:18:32,686 INFO L443 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2019-10-07 15:18:32,686 INFO L446 ceAbstractionStarter]: At program point L746(lines 721 750) the Hoare annotation is: true [2019-10-07 15:18:32,686 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-10-07 15:18:32,686 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2019-10-07 15:18:32,686 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2019-10-07 15:18:32,686 INFO L439 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-07 15:18:32,687 INFO L443 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2019-10-07 15:18:32,687 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-10-07 15:18:32,687 INFO L443 ceAbstractionStarter]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2019-10-07 15:18:32,687 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2019-10-07 15:18:32,687 INFO L446 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: true [2019-10-07 15:18:32,687 INFO L443 ceAbstractionStarter]: For program point L924-1(line 924) no Hoare annotation was computed. [2019-10-07 15:18:32,687 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2019-10-07 15:18:32,687 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2019-10-07 15:18:32,688 INFO L446 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2019-10-07 15:18:32,688 INFO L443 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2019-10-07 15:18:32,688 INFO L439 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-07 15:18:32,688 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-10-07 15:18:32,688 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse0 (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0))))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (< ~waterLevel~0 2)) (or .cse0 (not (< |old(~waterLevel~0)| 3)) (< ~waterLevel~0 3)))) [2019-10-07 15:18:32,688 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2019-10-07 15:18:32,688 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2019-10-07 15:18:32,688 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2019-10-07 15:18:32,689 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:32,689 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:18:32,689 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:32,689 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:32,689 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2019-10-07 15:18:32,689 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse1 (not (< ~waterLevel~0 3))) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 .cse0 (or (not (= 1 ~pumpRunning~0)) .cse2)))) [2019-10-07 15:18:32,690 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:32,690 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2019-10-07 15:18:32,690 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:32,690 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2019-10-07 15:18:32,690 INFO L439 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:32,690 INFO L439 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (or (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) (not (= ~waterLevel~0 2))) (= ~pumpRunning~0 0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:32,690 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-10-07 15:18:32,691 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:32,691 INFO L443 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2019-10-07 15:18:32,691 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-10-07 15:18:32,691 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2019-10-07 15:18:32,691 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (< ~waterLevel~0 3)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (not (< |old(~waterLevel~0)| 2))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse3) (or .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse2)))) [2019-10-07 15:18:32,691 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-10-07 15:18:32,692 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2019-10-07 15:18:32,692 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2019-10-07 15:18:32,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:32 BoogieIcfgContainer [2019-10-07 15:18:32,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:32,712 INFO L168 Benchmark]: Toolchain (without parser) took 10446.59 ms. Allocated memory was 137.4 MB in the beginning and 382.7 MB in the end (delta: 245.4 MB). Free memory was 100.2 MB in the beginning and 334.1 MB in the end (delta: -233.9 MB). Peak memory consumption was 219.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:32,714 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:32,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.94 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 169.4 MB in the end (delta: -69.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:32,717 INFO L168 Benchmark]: Boogie Preprocessor took 110.86 ms. Allocated memory is still 201.3 MB. Free memory was 169.4 MB in the beginning and 165.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:32,723 INFO L168 Benchmark]: RCFGBuilder took 1496.70 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 149.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:32,725 INFO L168 Benchmark]: TraceAbstraction took 8216.00 ms. Allocated memory was 232.3 MB in the beginning and 382.7 MB in the end (delta: 150.5 MB). Free memory was 147.7 MB in the beginning and 334.1 MB in the end (delta: -186.5 MB). Peak memory consumption was 172.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:32,736 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.94 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 169.4 MB in the end (delta: -69.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.86 ms. Allocated memory is still 201.3 MB. Free memory was 169.4 MB in the beginning and 165.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1496.70 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 149.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8216.00 ms. Allocated memory was 232.3 MB in the beginning and 382.7 MB in the end (delta: 150.5 MB). Free memory was 147.7 MB in the beginning and 334.1 MB in the end (delta: -186.5 MB). Peak memory consumption was 172.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 93]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((((1 == systemActive && !(waterLevel == 2)) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1051 SDtfs, 953 SDslu, 3330 SDs, 0 SdLazy, 877 SolverSat, 479 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 251 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 83 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 785 PreInvPairs, 838 NumberOfFragments, 1307 HoareAnnotationTreeSize, 785 FomulaSimplifications, 1646 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 6317 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 128985 SizeOfPredicates, 7 NumberOfNonLiveVariables, 833 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 72/78 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...