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_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:15,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:15,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:15,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:15,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:15,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:15,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:15,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:15,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:15,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:15,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:15,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:15,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:15,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:15,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:15,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:15,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:15,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:15,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:15,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:15,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:15,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:15,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:15,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:15,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:15,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:15,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:15,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:15,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:15,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:15,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:15,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:15,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:15,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:15,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:15,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:15,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:15,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:15,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:15,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:15,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:15,202 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 15:19:15,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:15,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:15,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:15,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:15,251 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:15,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:15,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:15,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:15,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:15,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:15,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:15,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:15,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:15,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:15,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:15,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:15,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:15,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:15,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:15,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:15,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:15,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:15,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:15,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:15,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:15,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:15,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:15,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:15,257 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 15:19:15,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:15,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:15,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:15,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:15,582 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:15,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-10-07 15:19:15,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebeb4308f/2ce8b996d8fa4f878d08158434436ce3/FLAGdf3856e4c [2019-10-07 15:19:16,188 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:16,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-10-07 15:19:16,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebeb4308f/2ce8b996d8fa4f878d08158434436ce3/FLAGdf3856e4c [2019-10-07 15:19:16,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebeb4308f/2ce8b996d8fa4f878d08158434436ce3 [2019-10-07 15:19:16,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:16,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:16,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:16,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:16,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:16,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:16" (1/1) ... [2019-10-07 15:19:16,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd6b7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:16, skipping insertion in model container [2019-10-07 15:19:16,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:16" (1/1) ... [2019-10-07 15:19:16,472 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:16,514 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:16,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:16,912 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:17,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:17,068 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:17,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17 WrapperNode [2019-10-07 15:19:17,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:17,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:17,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:17,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:17,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:17,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:17,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:17,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:17,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (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 15:19:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:18,856 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:18,858 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:18,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:18 BoogieIcfgContainer [2019-10-07 15:19:18,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:18,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:18,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:18,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:18,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:16" (1/3) ... [2019-10-07 15:19:18,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527a59bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:18, skipping insertion in model container [2019-10-07 15:19:18,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (2/3) ... [2019-10-07 15:19:18,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527a59bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:18, skipping insertion in model container [2019-10-07 15:19:18,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:18" (3/3) ... [2019-10-07 15:19:18,869 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2019-10-07 15:19:18,880 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:18,890 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:18,902 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:18,931 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:18,931 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:18,931 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:18,931 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:18,932 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:18,932 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:18,932 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:18,932 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-10-07 15:19:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:18,965 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:18,966 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] [2019-10-07 15:19:18,968 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:18,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:18,975 INFO L82 PathProgramCache]: Analyzing trace with hash -178111937, now seen corresponding path program 1 times [2019-10-07 15:19:18,985 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:18,985 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:18,985 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:18,986 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:19,354 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 15:19:19,355 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,355 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:19,356 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:19,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:19,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:19,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:19,377 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-10-07 15:19:19,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:19,424 INFO L93 Difference]: Finished difference Result 207 states and 250 transitions. [2019-10-07 15:19:19,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:19,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:19,445 INFO L225 Difference]: With dead ends: 207 [2019-10-07 15:19:19,446 INFO L226 Difference]: Without dead ends: 104 [2019-10-07 15:19:19,464 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 15:19:19,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-07 15:19:19,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-10-07 15:19:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-07 15:19:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2019-10-07 15:19:19,557 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 42 [2019-10-07 15:19:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:19,558 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2019-10-07 15:19:19,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2019-10-07 15:19:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:19,566 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:19,566 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] [2019-10-07 15:19:19,567 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:19,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:19,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1276422108, now seen corresponding path program 1 times [2019-10-07 15:19:19,568 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:19,569 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,569 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:19,770 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 15:19:19,772 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,772 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:19,772 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:19,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:19,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:19,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:19,776 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 3 states. [2019-10-07 15:19:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:19,818 INFO L93 Difference]: Finished difference Result 165 states and 189 transitions. [2019-10-07 15:19:19,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:19,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:19,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:19,824 INFO L225 Difference]: With dead ends: 165 [2019-10-07 15:19:19,825 INFO L226 Difference]: Without dead ends: 96 [2019-10-07 15:19:19,827 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 15:19:19,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-07 15:19:19,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-07 15:19:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-07 15:19:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 108 transitions. [2019-10-07 15:19:19,855 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 108 transitions. Word has length 43 [2019-10-07 15:19:19,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:19,857 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 108 transitions. [2019-10-07 15:19:19,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 108 transitions. [2019-10-07 15:19:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 15:19:19,867 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:19,867 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] [2019-10-07 15:19:19,867 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:19,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:19,868 INFO L82 PathProgramCache]: Analyzing trace with hash -990615822, now seen corresponding path program 1 times [2019-10-07 15:19:19,868 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:19,869 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:20,067 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 15:19:20,067 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,067 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:20,068 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:20,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:20,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:20,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:20,069 INFO L87 Difference]: Start difference. First operand 96 states and 108 transitions. Second operand 7 states. [2019-10-07 15:19:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:20,377 INFO L93 Difference]: Finished difference Result 170 states and 195 transitions. [2019-10-07 15:19:20,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:20,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-07 15:19:20,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:20,379 INFO L225 Difference]: With dead ends: 170 [2019-10-07 15:19:20,379 INFO L226 Difference]: Without dead ends: 96 [2019-10-07 15:19:20,381 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:20,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-07 15:19:20,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-07 15:19:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-07 15:19:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 107 transitions. [2019-10-07 15:19:20,394 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 107 transitions. Word has length 45 [2019-10-07 15:19:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:20,395 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 107 transitions. [2019-10-07 15:19:20,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2019-10-07 15:19:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:19:20,398 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:20,399 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] [2019-10-07 15:19:20,399 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:20,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:20,399 INFO L82 PathProgramCache]: Analyzing trace with hash 890187093, now seen corresponding path program 1 times [2019-10-07 15:19:20,400 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:20,400 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,400 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,400 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:20,544 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 15:19:20,544 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,544 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:20,545 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:20,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:20,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:20,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:20,546 INFO L87 Difference]: Start difference. First operand 96 states and 107 transitions. Second operand 10 states. [2019-10-07 15:19:21,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:21,126 INFO L93 Difference]: Finished difference Result 301 states and 354 transitions. [2019-10-07 15:19:21,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:21,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2019-10-07 15:19:21,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:21,131 INFO L225 Difference]: With dead ends: 301 [2019-10-07 15:19:21,131 INFO L226 Difference]: Without dead ends: 227 [2019-10-07 15:19:21,134 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:19:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-07 15:19:21,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 219. [2019-10-07 15:19:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-10-07 15:19:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 252 transitions. [2019-10-07 15:19:21,191 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 252 transitions. Word has length 58 [2019-10-07 15:19:21,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:21,193 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 252 transitions. [2019-10-07 15:19:21,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:21,193 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 252 transitions. [2019-10-07 15:19:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:19:21,195 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:21,195 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] [2019-10-07 15:19:21,197 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:21,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:21,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1393786856, now seen corresponding path program 1 times [2019-10-07 15:19:21,197 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:21,198 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,198 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,198 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,321 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 15:19:21,322 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,322 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:21,323 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:21,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:21,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:21,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:21,324 INFO L87 Difference]: Start difference. First operand 219 states and 252 transitions. Second operand 3 states. [2019-10-07 15:19:21,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:21,346 INFO L93 Difference]: Finished difference Result 341 states and 401 transitions. [2019-10-07 15:19:21,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:21,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-10-07 15:19:21,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:21,350 INFO L225 Difference]: With dead ends: 341 [2019-10-07 15:19:21,351 INFO L226 Difference]: Without dead ends: 144 [2019-10-07 15:19:21,352 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 15:19:21,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-07 15:19:21,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-07 15:19:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-07 15:19:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2019-10-07 15:19:21,375 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 61 [2019-10-07 15:19:21,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:21,376 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2019-10-07 15:19:21,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:21,376 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2019-10-07 15:19:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-07 15:19:21,379 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:21,379 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:21,379 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:21,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1930605347, now seen corresponding path program 1 times [2019-10-07 15:19:21,380 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:21,380 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,380 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,381 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 15:19:21,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:21,515 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 15:19:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:21,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:19:21,802 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 15:19:21,959 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:21,960 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:21,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:21,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:21,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:21,963 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 7 states. [2019-10-07 15:19:22,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:22,110 INFO L93 Difference]: Finished difference Result 146 states and 153 transitions. [2019-10-07 15:19:22,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:22,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2019-10-07 15:19:22,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:22,112 INFO L225 Difference]: With dead ends: 146 [2019-10-07 15:19:22,112 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:22,113 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:19:22,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:22,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:22,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2019-10-07 15:19:22,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:22,119 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:22,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:22,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:22,325 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:22,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:23,216 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 243) no Hoare annotation was computed. [2019-10-07 15:19:23,217 INFO L443 ceAbstractionStarter]: For program point L244(lines 221 245) no Hoare annotation was computed. [2019-10-07 15:19:23,217 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 197 252) no Hoare annotation was computed. [2019-10-07 15:19:23,217 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 232) no Hoare annotation was computed. [2019-10-07 15:19:23,217 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 197 252) no Hoare annotation was computed. [2019-10-07 15:19:23,217 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-07 15:19:23,218 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 253 312) no Hoare annotation was computed. [2019-10-07 15:19:23,218 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 304) no Hoare annotation was computed. [2019-10-07 15:19:23,218 INFO L443 ceAbstractionStarter]: For program point L305(lines 278 306) no Hoare annotation was computed. [2019-10-07 15:19:23,218 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 253 312) no Hoare annotation was computed. [2019-10-07 15:19:23,218 INFO L443 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2019-10-07 15:19:23,218 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 253 312) no Hoare annotation was computed. [2019-10-07 15:19:23,219 INFO L443 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2019-10-07 15:19:23,219 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2019-10-07 15:19:23,219 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-07 15:19:23,219 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2019-10-07 15:19:23,219 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2019-10-07 15:19:23,220 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2019-10-07 15:19:23,220 INFO L439 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,220 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-10-07 15:19:23,220 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,220 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-07 15:19:23,220 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 933) no Hoare annotation was computed. [2019-10-07 15:19:23,221 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2019-10-07 15:19:23,221 INFO L446 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2019-10-07 15:19:23,221 INFO L443 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2019-10-07 15:19:23,221 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2019-10-07 15:19:23,221 INFO L443 ceAbstractionStarter]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2019-10-07 15:19:23,221 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-10-07 15:19:23,222 INFO L439 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,222 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,222 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 888 910) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,222 INFO L439 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,222 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2019-10-07 15:19:23,223 INFO L439 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:23,223 INFO L439 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:23,223 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 905) no Hoare annotation was computed. [2019-10-07 15:19:23,223 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-07 15:19:23,223 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-07 15:19:23,224 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2019-10-07 15:19:23,224 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-07 15:19:23,224 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-07 15:19:23,224 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-07 15:19:23,224 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2019-10-07 15:19:23,224 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-07 15:19:23,225 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2019-10-07 15:19:23,225 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-07 15:19:23,225 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-07 15:19:23,225 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-07 15:19:23,225 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-07 15:19:23,225 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-07 15:19:23,225 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-07 15:19:23,226 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-07 15:19:23,226 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-07 15:19:23,226 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,226 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,226 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 672) no Hoare annotation was computed. [2019-10-07 15:19:23,226 INFO L439 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,227 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-10-07 15:19:23,227 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 677) no Hoare annotation was computed. [2019-10-07 15:19:23,227 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:23,227 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2019-10-07 15:19:23,227 INFO L439 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:23,227 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2019-10-07 15:19:23,228 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2019-10-07 15:19:23,228 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2019-10-07 15:19:23,228 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2019-10-07 15:19:23,228 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2019-10-07 15:19:23,228 INFO L446 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2019-10-07 15:19:23,228 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-07 15:19:23,229 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-07 15:19:23,229 INFO L443 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2019-10-07 15:19:23,229 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 760 795) no Hoare annotation was computed. [2019-10-07 15:19:23,229 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 760 795) no Hoare annotation was computed. [2019-10-07 15:19:23,229 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2019-10-07 15:19:23,229 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2019-10-07 15:19:23,229 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 151 196) no Hoare annotation was computed. [2019-10-07 15:19:23,230 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 151 196) no Hoare annotation was computed. [2019-10-07 15:19:23,230 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 464 509) no Hoare annotation was computed. [2019-10-07 15:19:23,230 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 464 509) no Hoare annotation was computed. [2019-10-07 15:19:23,230 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,230 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2019-10-07 15:19:23,230 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2019-10-07 15:19:23,230 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2019-10-07 15:19:23,231 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2019-10-07 15:19:23,231 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-10-07 15:19:23,231 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-10-07 15:19:23,231 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2019-10-07 15:19:23,231 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2019-10-07 15:19:23,231 INFO L439 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:23,232 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2019-10-07 15:19:23,232 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,232 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2019-10-07 15:19:23,232 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,232 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 682 706) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:23,232 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 698) no Hoare annotation was computed. [2019-10-07 15:19:23,233 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,233 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-07 15:19:23,233 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 703) no Hoare annotation was computed. [2019-10-07 15:19:23,233 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2019-10-07 15:19:23,233 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2019-10-07 15:19:23,233 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:23,234 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 513 576) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,234 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-10-07 15:19:23,234 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-10-07 15:19:23,234 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:23,234 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2019-10-07 15:19:23,234 INFO L439 ceAbstractionStarter]: At program point L566(lines 523 568) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:23,235 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-10-07 15:19:23,235 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2019-10-07 15:19:23,235 INFO L439 ceAbstractionStarter]: At program point L569(lines 522 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,235 INFO L439 ceAbstractionStarter]: At program point L559-2(lines 553 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:23,235 INFO L443 ceAbstractionStarter]: For program point L524(lines 523 568) no Hoare annotation was computed. [2019-10-07 15:19:23,235 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2019-10-07 15:19:23,236 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 418 463) no Hoare annotation was computed. [2019-10-07 15:19:23,236 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 418 463) no Hoare annotation was computed. [2019-10-07 15:19:23,236 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 707 714) no Hoare annotation was computed. [2019-10-07 15:19:23,236 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 707 714) no Hoare annotation was computed. [2019-10-07 15:19:23,236 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-07 15:19:23,236 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-07 15:19:23,236 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:19:23,236 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:19:23,237 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 315 417) no Hoare annotation was computed. [2019-10-07 15:19:23,237 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-10-07 15:19:23,237 INFO L443 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2019-10-07 15:19:23,237 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-10-07 15:19:23,237 INFO L443 ceAbstractionStarter]: For program point L364-2(lines 364 384) no Hoare annotation was computed. [2019-10-07 15:19:23,237 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 315 417) no Hoare annotation was computed. [2019-10-07 15:19:23,237 INFO L443 ceAbstractionStarter]: For program point L385(lines 363 386) no Hoare annotation was computed. [2019-10-07 15:19:23,238 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 360) no Hoare annotation was computed. [2019-10-07 15:19:23,238 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 315 417) no Hoare annotation was computed. [2019-10-07 15:19:23,238 INFO L443 ceAbstractionStarter]: For program point L365(lines 364 384) no Hoare annotation was computed. [2019-10-07 15:19:23,238 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-10-07 15:19:23,238 INFO L443 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2019-10-07 15:19:23,238 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 402) no Hoare annotation was computed. [2019-10-07 15:19:23,238 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 582 591) no Hoare annotation was computed. [2019-10-07 15:19:23,239 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 582 591) no Hoare annotation was computed. [2019-10-07 15:19:23,239 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:23,239 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:23,239 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-10-07 15:19:23,239 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-07 15:19:23,239 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 715 731) no Hoare annotation was computed. [2019-10-07 15:19:23,240 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 715 731) no Hoare annotation was computed. [2019-10-07 15:19:23,240 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-07 15:19:23,240 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 715 731) no Hoare annotation was computed. [2019-10-07 15:19:23,240 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-10-07 15:19:23,240 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-07 15:19:23,240 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:19:23,240 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-07 15:19:23,241 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-07 15:19:23,241 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:23,241 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:23,241 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-07 15:19:23,241 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:19:23,241 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:23,242 INFO L439 ceAbstractionStarter]: At program point L635(lines 635 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:23,242 INFO L439 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:23,242 INFO L443 ceAbstractionStarter]: For program point L628(lines 627 646) no Hoare annotation was computed. [2019-10-07 15:19:23,242 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 624 647) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:23,242 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2019-10-07 15:19:23,243 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2019-10-07 15:19:23,243 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2019-10-07 15:19:23,243 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-10-07 15:19:23,243 INFO L446 ceAbstractionStarter]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2019-10-07 15:19:23,243 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2019-10-07 15:19:23,243 INFO L446 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2019-10-07 15:19:23,243 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-07 15:19:23,244 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-07 15:19:23,244 INFO L446 ceAbstractionStarter]: At program point L842(lines 817 846) the Hoare annotation is: true [2019-10-07 15:19:23,244 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-07 15:19:23,244 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-07 15:19:23,244 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-07 15:19:23,244 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2019-10-07 15:19:23,245 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2019-10-07 15:19:23,245 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:23,245 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 15:19:23,245 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:23,245 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:23,245 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-07 15:19:23,246 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:23,246 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2019-10-07 15:19:23,246 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-10-07 15:19:23,246 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-07 15:19:23,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:23 BoogieIcfgContainer [2019-10-07 15:19:23,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:23,269 INFO L168 Benchmark]: Toolchain (without parser) took 6812.20 ms. Allocated memory was 143.1 MB in the beginning and 282.6 MB in the end (delta: 139.5 MB). Free memory was 102.4 MB in the beginning and 200.6 MB in the end (delta: -98.3 MB). Peak memory consumption was 149.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:23,272 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory is still 122.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:19:23,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.46 ms. Allocated memory was 143.1 MB in the beginning and 203.9 MB in the end (delta: 60.8 MB). Free memory was 102.4 MB in the beginning and 170.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:23,274 INFO L168 Benchmark]: Boogie Preprocessor took 86.98 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 166.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:23,277 INFO L168 Benchmark]: RCFGBuilder took 1703.11 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.9 MB in the beginning and 146.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:23,278 INFO L168 Benchmark]: TraceAbstraction took 4402.98 ms. Allocated memory was 235.4 MB in the beginning and 282.6 MB in the end (delta: 47.2 MB). Free memory was 146.1 MB in the beginning and 200.6 MB in the end (delta: -54.6 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:23,282 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory is still 122.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 614.46 ms. Allocated memory was 143.1 MB in the beginning and 203.9 MB in the end (delta: 60.8 MB). Free memory was 102.4 MB in the beginning and 170.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.98 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 166.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1703.11 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.9 MB in the beginning and 146.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4402.98 ms. Allocated memory was 235.4 MB in the beginning and 282.6 MB in the end (delta: 47.2 MB). Free memory was 146.1 MB in the beginning and 200.6 MB in the end (delta: -54.6 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (0 == splverifierCounter && pumpRunning == 0) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 605 SDtfs, 352 SDslu, 1223 SDs, 0 SdLazy, 459 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 373 PreInvPairs, 391 NumberOfFragments, 578 HoareAnnotationTreeSize, 373 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 984 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 532 ConstructedInterpolants, 0 QuantifiedInterpolants, 69215 SizeOfPredicates, 2 NumberOfNonLiveVariables, 754 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 92/96 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...