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_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:34,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:34,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:34,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:34,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:34,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:34,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:34,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:34,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:34,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:34,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:34,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:34,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:34,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:34,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:34,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:34,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:34,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:34,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:34,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:34,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:34,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:34,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:34,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:34,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:34,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:34,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:34,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:34,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:34,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:34,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:34,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:34,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:34,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:34,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:34,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:34,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:34,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:34,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:34,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:34,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:34,980 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 15:18:35,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:35,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:35,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:35,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:35,002 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:35,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:35,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:35,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:35,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:35,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:35,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:35,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:35,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:35,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:35,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:35,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:35,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:35,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:35,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:35,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:35,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:35,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:35,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:35,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:35,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:35,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:35,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:35,008 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 15:18:35,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:35,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:35,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:35,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:35,307 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:35,308 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-10-07 15:18:35,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d18c4340/93bca21402ee420d8e740b96e17f414c/FLAG541206024 [2019-10-07 15:18:35,946 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:35,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-10-07 15:18:35,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d18c4340/93bca21402ee420d8e740b96e17f414c/FLAG541206024 [2019-10-07 15:18:36,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d18c4340/93bca21402ee420d8e740b96e17f414c [2019-10-07 15:18:36,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:36,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:36,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:36,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:36,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:36,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:36,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247f10a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36, skipping insertion in model container [2019-10-07 15:18:36,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:36,283 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:36,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:36,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:36,863 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:36,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:36,981 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:36,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36 WrapperNode [2019-10-07 15:18:36,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:36,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:36,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:36,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:36,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:36,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:37,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:37,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:37,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:37,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:37,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (1/1) ... [2019-10-07 15:18:37,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:37,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:37,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:37,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:37,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (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 15:18:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:18:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:18:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:18:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:18:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:18:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:18:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:18:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:18:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:38,866 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:38,866 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:38,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:38 BoogieIcfgContainer [2019-10-07 15:18:38,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:38,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:38,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:38,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:38,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:36" (1/3) ... [2019-10-07 15:18:38,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773b1e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:38, skipping insertion in model container [2019-10-07 15:18:38,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:36" (2/3) ... [2019-10-07 15:18:38,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773b1e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:38, skipping insertion in model container [2019-10-07 15:18:38,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:38" (3/3) ... [2019-10-07 15:18:38,877 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2019-10-07 15:18:38,889 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:38,899 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:38,912 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:38,947 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:38,948 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:38,948 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:38,948 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:38,948 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:38,948 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:38,949 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:38,949 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2019-10-07 15:18:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:38,997 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:38,999 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 15:18:39,002 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:39,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:39,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1668189287, now seen corresponding path program 1 times [2019-10-07 15:18:39,019 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:39,019 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,020 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,020 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:39,426 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 15:18:39,427 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,427 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:39,428 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:39,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:39,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:39,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:39,451 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2019-10-07 15:18:39,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:39,497 INFO L93 Difference]: Finished difference Result 257 states and 312 transitions. [2019-10-07 15:18:39,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:39,498 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-07 15:18:39,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:39,512 INFO L225 Difference]: With dead ends: 257 [2019-10-07 15:18:39,512 INFO L226 Difference]: Without dead ends: 129 [2019-10-07 15:18:39,518 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 15:18:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-07 15:18:39,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-07 15:18:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-07 15:18:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2019-10-07 15:18:39,575 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2019-10-07 15:18:39,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:39,575 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2019-10-07 15:18:39,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2019-10-07 15:18:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 15:18:39,580 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:39,581 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 15:18:39,581 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:39,582 INFO L82 PathProgramCache]: Analyzing trace with hash -918854804, now seen corresponding path program 1 times [2019-10-07 15:18:39,582 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:39,582 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,582 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,583 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:39,745 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 15:18:39,747 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,748 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:39,748 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:39,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:39,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:39,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:39,753 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 3 states. [2019-10-07 15:18:39,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:39,798 INFO L93 Difference]: Finished difference Result 211 states and 246 transitions. [2019-10-07 15:18:39,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:39,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 15:18:39,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:39,804 INFO L225 Difference]: With dead ends: 211 [2019-10-07 15:18:39,804 INFO L226 Difference]: Without dead ends: 121 [2019-10-07 15:18:39,809 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 15:18:39,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-07 15:18:39,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-07 15:18:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-07 15:18:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2019-10-07 15:18:39,837 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 48 [2019-10-07 15:18:39,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:39,837 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2019-10-07 15:18:39,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2019-10-07 15:18:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:18:39,847 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:39,848 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 15:18:39,848 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:39,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:39,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1608883262, now seen corresponding path program 1 times [2019-10-07 15:18:39,849 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:39,849 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,849 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,849 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:40,054 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 15:18:40,055 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:40,055 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:40,055 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:40,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:40,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:40,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:40,058 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2019-10-07 15:18:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:40,392 INFO L93 Difference]: Finished difference Result 220 states and 257 transitions. [2019-10-07 15:18:40,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:40,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:18:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:40,394 INFO L225 Difference]: With dead ends: 220 [2019-10-07 15:18:40,394 INFO L226 Difference]: Without dead ends: 121 [2019-10-07 15:18:40,396 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 15:18:40,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-07 15:18:40,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-07 15:18:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-07 15:18:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2019-10-07 15:18:40,409 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 51 [2019-10-07 15:18:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:40,410 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2019-10-07 15:18:40,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2019-10-07 15:18:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-07 15:18:40,411 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:40,411 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:40,412 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:40,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:40,412 INFO L82 PathProgramCache]: Analyzing trace with hash -433996355, now seen corresponding path program 1 times [2019-10-07 15:18:40,412 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:40,413 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:40,413 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:40,413 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:40,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:18:40,518 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:40,518 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:40,518 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:40,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:40,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:40,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:40,519 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 5 states. [2019-10-07 15:18:41,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:41,040 INFO L93 Difference]: Finished difference Result 326 states and 388 transitions. [2019-10-07 15:18:41,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:41,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-10-07 15:18:41,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:41,043 INFO L225 Difference]: With dead ends: 326 [2019-10-07 15:18:41,043 INFO L226 Difference]: Without dead ends: 227 [2019-10-07 15:18:41,044 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 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 15:18:41,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-07 15:18:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 210. [2019-10-07 15:18:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-10-07 15:18:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 233 transitions. [2019-10-07 15:18:41,086 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 233 transitions. Word has length 68 [2019-10-07 15:18:41,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:41,087 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 233 transitions. [2019-10-07 15:18:41,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 233 transitions. [2019-10-07 15:18:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 15:18:41,089 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:41,089 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, 1, 1] [2019-10-07 15:18:41,090 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:41,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:41,090 INFO L82 PathProgramCache]: Analyzing trace with hash 201322351, now seen corresponding path program 1 times [2019-10-07 15:18:41,096 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:41,097 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:41,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:41,097 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:41,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:41,197 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 15:18:41,197 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:41,198 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:41,198 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:41,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:41,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:41,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:41,201 INFO L87 Difference]: Start difference. First operand 210 states and 233 transitions. Second operand 6 states. [2019-10-07 15:18:41,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:41,395 INFO L93 Difference]: Finished difference Result 507 states and 578 transitions. [2019-10-07 15:18:41,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:41,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-07 15:18:41,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:41,401 INFO L225 Difference]: With dead ends: 507 [2019-10-07 15:18:41,401 INFO L226 Difference]: Without dead ends: 319 [2019-10-07 15:18:41,402 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 15:18:41,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-10-07 15:18:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 309. [2019-10-07 15:18:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-10-07 15:18:41,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 346 transitions. [2019-10-07 15:18:41,433 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 346 transitions. Word has length 78 [2019-10-07 15:18:41,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:41,434 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 346 transitions. [2019-10-07 15:18:41,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 346 transitions. [2019-10-07 15:18:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-07 15:18:41,436 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:41,436 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, 1, 1, 1, 1, 1] [2019-10-07 15:18:41,436 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:41,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:41,437 INFO L82 PathProgramCache]: Analyzing trace with hash 72654061, now seen corresponding path program 1 times [2019-10-07 15:18:41,437 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:41,437 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:41,437 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:41,437 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:41,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:41,583 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 15:18:41,584 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:41,585 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:41,585 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:41,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:41,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:41,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:41,586 INFO L87 Difference]: Start difference. First operand 309 states and 346 transitions. Second operand 10 states. [2019-10-07 15:18:41,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:41,838 INFO L93 Difference]: Finished difference Result 602 states and 677 transitions. [2019-10-07 15:18:41,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 15:18:41,839 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 81 [2019-10-07 15:18:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:41,841 INFO L225 Difference]: With dead ends: 602 [2019-10-07 15:18:41,841 INFO L226 Difference]: Without dead ends: 315 [2019-10-07 15:18:41,843 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 15:18:41,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-10-07 15:18:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2019-10-07 15:18:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-10-07 15:18:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 318 transitions. [2019-10-07 15:18:41,863 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 318 transitions. Word has length 81 [2019-10-07 15:18:41,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:41,864 INFO L462 AbstractCegarLoop]: Abstraction has 294 states and 318 transitions. [2019-10-07 15:18:41,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 318 transitions. [2019-10-07 15:18:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-07 15:18:41,866 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:41,866 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, 1, 1, 1, 1, 1] [2019-10-07 15:18:41,866 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:41,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1808300905, now seen corresponding path program 1 times [2019-10-07 15:18:41,867 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:41,867 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:41,867 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:41,867 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:41,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:42,179 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 15:18:42,179 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:42,180 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:42,180 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:18:42,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:18:42,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:18:42,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:18:42,181 INFO L87 Difference]: Start difference. First operand 294 states and 318 transitions. Second operand 14 states. [2019-10-07 15:18:42,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:42,524 INFO L93 Difference]: Finished difference Result 589 states and 655 transitions. [2019-10-07 15:18:42,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:42,525 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 81 [2019-10-07 15:18:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:42,528 INFO L225 Difference]: With dead ends: 589 [2019-10-07 15:18:42,528 INFO L226 Difference]: Without dead ends: 401 [2019-10-07 15:18:42,529 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 15:18:42,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-10-07 15:18:42,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 366. [2019-10-07 15:18:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-07 15:18:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 399 transitions. [2019-10-07 15:18:42,555 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 399 transitions. Word has length 81 [2019-10-07 15:18:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:42,556 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 399 transitions. [2019-10-07 15:18:42,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:18:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 399 transitions. [2019-10-07 15:18:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-07 15:18:42,558 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:42,558 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, 1, 1, 1, 1, 1] [2019-10-07 15:18:42,559 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:42,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1319606548, now seen corresponding path program 1 times [2019-10-07 15:18:42,559 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:42,560 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:42,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:42,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:42,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:42,641 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 15:18:42,641 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:42,641 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:42,642 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 15:18:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:42,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 15:18:42,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:43,077 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 15:18:43,077 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:43,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:43,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:43,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:43,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:43,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:43,535 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 15:18:43,535 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:43,536 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-07 15:18:43,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:18:43,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:18:43,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:18:43,538 INFO L87 Difference]: Start difference. First operand 366 states and 399 transitions. Second operand 9 states. [2019-10-07 15:18:44,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:44,041 INFO L93 Difference]: Finished difference Result 788 states and 879 transitions. [2019-10-07 15:18:44,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 15:18:44,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 119 [2019-10-07 15:18:44,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:44,043 INFO L225 Difference]: With dead ends: 788 [2019-10-07 15:18:44,043 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:44,046 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 228 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 15:18:44,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:44,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:44,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2019-10-07 15:18:44,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:44,048 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:44,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:18:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:44,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:44,254 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:44,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:45,435 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-10-07 15:18:45,857 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-10-07 15:18:46,174 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2019-10-07 15:18:47,233 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-07 15:18:47,334 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point L431(lines 408 432) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2019-10-07 15:18:47,335 INFO L443 ceAbstractionStarter]: For program point L492(lines 465 493) no Hoare annotation was computed. [2019-10-07 15:18:47,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2019-10-07 15:18:47,336 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-07 15:18:47,336 INFO L443 ceAbstractionStarter]: For program point L485-1(line 485) no Hoare annotation was computed. [2019-10-07 15:18:47,336 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2019-10-07 15:18:47,336 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2019-10-07 15:18:47,336 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2019-10-07 15:18:47,337 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2019-10-07 15:18:47,337 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) 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 15:18:47,337 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2019-10-07 15:18:47,337 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-07 15:18:47,337 INFO L439 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-07 15:18:47,338 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2019-10-07 15:18:47,338 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2019-10-07 15:18:47,338 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-10-07 15:18:47,338 INFO L439 ceAbstractionStarter]: At program point L236(line 236) 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 15:18:47,338 INFO L439 ceAbstractionStarter]: At program point L235(line 235) 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 15:18:47,338 INFO L439 ceAbstractionStarter]: At program point L235-1(line 235) 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 15:18:47,338 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2019-10-07 15:18:47,339 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-10-07 15:18:47,340 INFO L443 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2019-10-07 15:18:47,341 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2019-10-07 15:18:47,341 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2019-10-07 15:18:47,341 INFO L443 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2019-10-07 15:18:47,341 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2019-10-07 15:18:47,341 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2019-10-07 15:18:47,341 INFO L446 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2019-10-07 15:18:47,341 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-10-07 15:18:47,341 INFO L443 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2019-10-07 15:18:47,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2019-10-07 15:18:47,342 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) 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 15:18:47,343 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2019-10-07 15:18:47,343 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2019-10-07 15:18:47,343 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2019-10-07 15:18:47,343 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2019-10-07 15:18:47,343 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-07 15:18:47,343 INFO L443 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2019-10-07 15:18:47,343 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-07 15:18:47,344 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2019-10-07 15:18:47,344 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-07 15:18:47,344 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-07 15:18:47,344 INFO L439 ceAbstractionStarter]: At program point L865(line 865) 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 15:18:47,344 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2019-10-07 15:18:47,344 INFO L439 ceAbstractionStarter]: At program point L861(line 861) 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 15:18:47,345 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-10-07 15:18:47,345 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2019-10-07 15:18:47,345 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2019-10-07 15:18:47,345 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) 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 15:18:47,345 INFO L439 ceAbstractionStarter]: At program point L874(line 874) 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 15:18:47,345 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2019-10-07 15:18:47,346 INFO L439 ceAbstractionStarter]: At program point L869(line 869) 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 15:18:47,346 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2019-10-07 15:18:47,346 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2019-10-07 15:18:47,346 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 699 764) 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 15:18:47,346 INFO L439 ceAbstractionStarter]: At program point L731(line 731) 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 15:18:47,346 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-10-07 15:18:47,347 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2019-10-07 15:18:47,347 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2019-10-07 15:18:47,347 INFO L439 ceAbstractionStarter]: At program point L754(lines 709 756) 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 15:18:47,347 INFO L439 ceAbstractionStarter]: At program point L721(line 721) 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 15:18:47,347 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-10-07 15:18:47,347 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2019-10-07 15:18:47,347 INFO L439 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:47,348 INFO L439 ceAbstractionStarter]: At program point L747-2(lines 739 752) 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 15:18:47,348 INFO L443 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-10-07 15:18:47,348 INFO L439 ceAbstractionStarter]: At program point L741(line 741) 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 15:18:47,348 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-10-07 15:18:47,348 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2019-10-07 15:18:47,348 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2019-10-07 15:18:47,348 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2019-10-07 15:18:47,349 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-07 15:18:47,349 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-07 15:18:47,349 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-07 15:18:47,349 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-07 15:18:47,349 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2019-10-07 15:18:47,349 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2019-10-07 15:18:47,349 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point L572(lines 550 573) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 547) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point L552(lines 551 571) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point L583-1(line 583) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 589) no Hoare annotation was computed. [2019-10-07 15:18:47,350 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-07 15:18:47,351 INFO L443 ceAbstractionStarter]: For program point L567-1(line 567) no Hoare annotation was computed. [2019-10-07 15:18:47,351 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2019-10-07 15:18:47,351 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-07 15:18:47,351 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2019-10-07 15:18:47,351 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 15:18:47,351 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:47,351 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2019-10-07 15:18:47,351 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:47,352 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-10-07 15:18:47,352 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-07 15:18:47,352 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2019-10-07 15:18:47,352 INFO L446 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2019-10-07 15:18:47,352 INFO L443 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-10-07 15:18:47,352 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2019-10-07 15:18:47,352 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-07 15:18:47,352 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-07 15:18:47,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:47,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:47,353 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-07 15:18:47,353 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-07 15:18:47,353 INFO L439 ceAbstractionStarter]: At program point L784(line 784) 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 15:18:47,353 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) 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 15:18:47,354 INFO L439 ceAbstractionStarter]: At program point L782(lines 782 788) 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 15:18:47,354 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2019-10-07 15:18:47,354 INFO L439 ceAbstractionStarter]: At program point L777(line 777) 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 15:18:47,354 INFO L443 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2019-10-07 15:18:47,354 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2019-10-07 15:18:47,354 INFO L446 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2019-10-07 15:18:47,354 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2019-10-07 15:18:47,355 INFO L446 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2019-10-07 15:18:47,355 INFO L443 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2019-10-07 15:18:47,355 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2019-10-07 15:18:47,355 INFO L446 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2019-10-07 15:18:47,355 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-07 15:18:47,355 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-10-07 15:18:47,355 INFO L446 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2019-10-07 15:18:47,355 INFO L439 ceAbstractionStarter]: At program point L286(line 286) 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 15:18:47,355 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2019-10-07 15:18:47,355 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-10-07 15:18:47,355 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2019-10-07 15:18:47,356 INFO L439 ceAbstractionStarter]: At program point L280(line 280) 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 15:18:47,356 INFO L443 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2019-10-07 15:18:47,356 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-10-07 15:18:47,356 INFO L443 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2019-10-07 15:18:47,356 INFO L446 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: true [2019-10-07 15:18:47,356 INFO L443 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2019-10-07 15:18:47,356 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2019-10-07 15:18:47,356 INFO L446 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2019-10-07 15:18:47,356 INFO L443 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2019-10-07 15:18:47,356 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) 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 15:18:47,357 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-07 15:18:47,357 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2019-10-07 15:18:47,357 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2019-10-07 15:18:47,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:47,357 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 15:18:47,357 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:47,357 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:47,357 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2019-10-07 15:18:47,357 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) 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 15:18:47,357 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) 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 15:18:47,357 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2019-10-07 15:18:47,357 INFO L439 ceAbstractionStarter]: At program point L822(line 822) 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 15:18:47,358 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2019-10-07 15:18:47,358 INFO L439 ceAbstractionStarter]: At program point L817(line 817) 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 15:18:47,358 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (and (or (not (= ~waterLevel~0 2)) (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (= ~pumpRunning~0 0))) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:47,358 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-10-07 15:18:47,358 INFO L439 ceAbstractionStarter]: At program point L809(line 809) 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 15:18:47,358 INFO L443 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2019-10-07 15:18:47,358 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-10-07 15:18:47,358 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-07 15:18:47,358 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) 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 15:18:47,359 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-10-07 15:18:47,359 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2019-10-07 15:18:47,359 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2019-10-07 15:18:47,359 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-10-07 15:18:47,359 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2019-10-07 15:18:47,359 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) 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 15:18:47,359 INFO L439 ceAbstractionStarter]: At program point L848(line 848) 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 15:18:47,359 INFO L443 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2019-10-07 15:18:47,360 INFO L439 ceAbstractionStarter]: At program point L843(line 843) 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 15:18:47,360 INFO L439 ceAbstractionStarter]: At program point L839(line 839) 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 15:18:47,360 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-10-07 15:18:47,360 INFO L439 ceAbstractionStarter]: At program point L835(line 835) 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 15:18:47,360 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-07 15:18:47,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:47 BoogieIcfgContainer [2019-10-07 15:18:47,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:47,376 INFO L168 Benchmark]: Toolchain (without parser) took 11111.66 ms. Allocated memory was 136.3 MB in the beginning and 399.5 MB in the end (delta: 263.2 MB). Free memory was 100.0 MB in the beginning and 287.5 MB in the end (delta: -187.5 MB). Peak memory consumption was 228.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:47,377 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:47,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.08 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 164.7 MB in the end (delta: -64.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:47,379 INFO L168 Benchmark]: Boogie Preprocessor took 109.35 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 160.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:47,380 INFO L168 Benchmark]: RCFGBuilder took 1776.54 ms. Allocated memory was 199.2 MB in the beginning and 229.1 MB in the end (delta: 29.9 MB). Free memory was 160.5 MB in the beginning and 139.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:47,381 INFO L168 Benchmark]: TraceAbstraction took 8504.14 ms. Allocated memory was 229.1 MB in the beginning and 399.5 MB in the end (delta: 170.4 MB). Free memory was 137.8 MB in the beginning and 287.5 MB in the end (delta: -149.7 MB). Peak memory consumption was 173.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:47,385 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.08 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 164.7 MB in the end (delta: -64.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.35 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 160.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1776.54 ms. Allocated memory was 199.2 MB in the beginning and 229.1 MB in the end (delta: 29.9 MB). Free memory was 160.5 MB in the beginning and 139.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8504.14 ms. Allocated memory was 229.1 MB in the beginning and 399.5 MB in the end (delta: 170.4 MB). Free memory was 137.8 MB in the beginning and 287.5 MB in the end (delta: -149.7 MB). Peak memory consumption was 173.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: 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: 708]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 199 locations, 1 error locations. Result: SAFE, OverallTime: 8.4s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, HoareTripleCheckerStatistics: 1212 SDtfs, 913 SDslu, 3929 SDs, 0 SdLazy, 1013 SolverSat, 368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred 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, 69 LocationsWithAnnotation, 941 PreInvPairs, 994 NumberOfFragments, 1463 HoareAnnotationTreeSize, 941 FomulaSimplifications, 1646 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 6963 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 138963 SizeOfPredicates, 7 NumberOfNonLiveVariables, 843 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 74/80 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...