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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:13,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:13,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:13,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:13,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:13,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:13,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:13,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:13,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:13,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:13,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:13,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:13,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:13,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:13,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:13,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:13,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:13,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:13,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:13,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:13,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:13,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:13,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:13,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:13,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:13,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:13,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:13,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:13,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:13,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:13,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:13,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:13,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:13,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:13,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:13,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:13,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:13,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:13,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:13,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:13,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:13,112 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 15:19:13,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:13,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:13,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:13,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:13,135 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:13,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:13,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:13,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:13,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:13,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:13,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:13,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:13,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:13,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:13,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:13,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:13,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:13,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:13,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:13,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:13,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:13,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:13,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:13,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:13,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:13,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:13,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:13,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:13,141 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 15:19:13,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:13,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:13,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:13,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:13,464 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:13,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-07 15:19:13,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa71c37ef/02362cb8942a4b62b05931bdafc28e65/FLAG1a6d67507 [2019-10-07 15:19:14,132 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:14,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-07 15:19:14,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa71c37ef/02362cb8942a4b62b05931bdafc28e65/FLAG1a6d67507 [2019-10-07 15:19:14,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa71c37ef/02362cb8942a4b62b05931bdafc28e65 [2019-10-07 15:19:14,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:14,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:14,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:14,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:14,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:14,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:14" (1/1) ... [2019-10-07 15:19:14,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c168e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:14, skipping insertion in model container [2019-10-07 15:19:14,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:14" (1/1) ... [2019-10-07 15:19:14,395 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:14,436 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:14,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:14,875 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:14,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:15,025 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:15,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15 WrapperNode [2019-10-07 15:19:15,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:15,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:15,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:15,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:15,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (1/1) ... [2019-10-07 15:19:15,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (1/1) ... [2019-10-07 15:19:15,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (1/1) ... [2019-10-07 15:19:15,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (1/1) ... [2019-10-07 15:19:15,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (1/1) ... [2019-10-07 15:19:15,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (1/1) ... [2019-10-07 15:19:15,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (1/1) ... [2019-10-07 15:19:15,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:15,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:15,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:15,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:15,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (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 15:19:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:19:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:19:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:19:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:19:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:16,883 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:16,883 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:16,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:16 BoogieIcfgContainer [2019-10-07 15:19:16,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:16,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:16,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:16,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:16,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:14" (1/3) ... [2019-10-07 15:19:16,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aead5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:16, skipping insertion in model container [2019-10-07 15:19:16,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:15" (2/3) ... [2019-10-07 15:19:16,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aead5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:16, skipping insertion in model container [2019-10-07 15:19:16,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:16" (3/3) ... [2019-10-07 15:19:16,895 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-10-07 15:19:16,906 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:16,918 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:16,930 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:16,966 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:16,967 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:16,967 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:16,967 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:16,967 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:16,968 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:16,968 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:16,968 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-10-07 15:19:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:17,005 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:17,006 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 15:19:17,008 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:17,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:17,015 INFO L82 PathProgramCache]: Analyzing trace with hash -396043105, now seen corresponding path program 1 times [2019-10-07 15:19:17,024 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:17,025 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,025 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,025 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,421 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 15:19:17,422 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,423 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:17,423 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:17,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:17,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:17,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:17,446 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-10-07 15:19:17,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:17,493 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2019-10-07 15:19:17,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:17,494 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:17,507 INFO L225 Difference]: With dead ends: 195 [2019-10-07 15:19:17,507 INFO L226 Difference]: Without dead ends: 98 [2019-10-07 15:19:17,512 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 15:19:17,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-07 15:19:17,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-07 15:19:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-07 15:19:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2019-10-07 15:19:17,565 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2019-10-07 15:19:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:17,566 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2019-10-07 15:19:17,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2019-10-07 15:19:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:17,570 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:17,570 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 15:19:17,571 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:17,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:17,571 INFO L82 PathProgramCache]: Analyzing trace with hash -207527517, now seen corresponding path program 1 times [2019-10-07 15:19:17,572 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:17,572 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,572 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,572 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,703 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 15:19:17,704 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,704 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:17,704 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:17,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:17,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:17,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:17,708 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand 3 states. [2019-10-07 15:19:17,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:17,742 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2019-10-07 15:19:17,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:17,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:17,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:17,746 INFO L225 Difference]: With dead ends: 143 [2019-10-07 15:19:17,746 INFO L226 Difference]: Without dead ends: 90 [2019-10-07 15:19:17,747 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 15:19:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-07 15:19:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-07 15:19:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-07 15:19:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2019-10-07 15:19:17,762 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2019-10-07 15:19:17,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:17,762 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2019-10-07 15:19:17,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2019-10-07 15:19:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:19:17,765 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:17,765 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 15:19:17,765 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:17,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:17,766 INFO L82 PathProgramCache]: Analyzing trace with hash 535677037, now seen corresponding path program 1 times [2019-10-07 15:19:17,766 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:17,766 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,767 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,767 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,949 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 15:19:17,950 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,950 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:17,954 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:17,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:17,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:17,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:17,956 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2019-10-07 15:19:18,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:18,452 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2019-10-07 15:19:18,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:19:18,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-07 15:19:18,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:18,459 INFO L225 Difference]: With dead ends: 271 [2019-10-07 15:19:18,459 INFO L226 Difference]: Without dead ends: 203 [2019-10-07 15:19:18,463 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 15:19:18,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-07 15:19:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2019-10-07 15:19:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-07 15:19:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2019-10-07 15:19:18,528 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2019-10-07 15:19:18,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:18,529 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2019-10-07 15:19:18,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2019-10-07 15:19:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:19:18,535 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:18,536 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 15:19:18,536 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:18,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:18,539 INFO L82 PathProgramCache]: Analyzing trace with hash -64669902, now seen corresponding path program 1 times [2019-10-07 15:19:18,539 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:18,539 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:18,539 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:18,540 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:18,735 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:18,735 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:18,735 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:18,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:18,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:18,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:18,737 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 10 states. [2019-10-07 15:19:19,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:19,327 INFO L93 Difference]: Finished difference Result 659 states and 826 transitions. [2019-10-07 15:19:19,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:19,327 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-10-07 15:19:19,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:19,333 INFO L225 Difference]: With dead ends: 659 [2019-10-07 15:19:19,334 INFO L226 Difference]: Without dead ends: 490 [2019-10-07 15:19:19,336 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 15:19:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-07 15:19:19,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 466. [2019-10-07 15:19:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2019-10-07 15:19:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 569 transitions. [2019-10-07 15:19:19,466 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 569 transitions. Word has length 51 [2019-10-07 15:19:19,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:19,467 INFO L462 AbstractCegarLoop]: Abstraction has 466 states and 569 transitions. [2019-10-07 15:19:19,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 569 transitions. [2019-10-07 15:19:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:19:19,474 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:19,474 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] [2019-10-07 15:19:19,474 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:19,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:19,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1181370677, now seen corresponding path program 1 times [2019-10-07 15:19:19,476 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:19,476 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,477 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,477 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:19,571 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 15:19:19,572 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,572 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:19,572 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:19:19,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:19:19,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:19:19,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:19:19,574 INFO L87 Difference]: Start difference. First operand 466 states and 569 transitions. Second operand 4 states. [2019-10-07 15:19:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:19,723 INFO L93 Difference]: Finished difference Result 808 states and 1021 transitions. [2019-10-07 15:19:19,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 15:19:19,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-07 15:19:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:19,727 INFO L225 Difference]: With dead ends: 808 [2019-10-07 15:19:19,727 INFO L226 Difference]: Without dead ends: 364 [2019-10-07 15:19:19,730 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:19:19,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-07 15:19:19,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 352. [2019-10-07 15:19:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-10-07 15:19:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 399 transitions. [2019-10-07 15:19:19,759 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 399 transitions. Word has length 54 [2019-10-07 15:19:19,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:19,759 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 399 transitions. [2019-10-07 15:19:19,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:19:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 399 transitions. [2019-10-07 15:19:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:19:19,762 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:19,762 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:19,762 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:19,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:19,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1156644027, now seen corresponding path program 1 times [2019-10-07 15:19:19,763 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:19,763 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,764 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,764 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:19:19,866 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,866 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:19,866 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 15:19:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:20,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:20,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:19:20,125 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:19:20,266 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:20,266 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:20,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:20,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:20,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:20,270 INFO L87 Difference]: Start difference. First operand 352 states and 399 transitions. Second operand 7 states. [2019-10-07 15:19:20,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:20,443 INFO L93 Difference]: Finished difference Result 358 states and 405 transitions. [2019-10-07 15:19:20,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:20,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-10-07 15:19:20,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:20,445 INFO L225 Difference]: With dead ends: 358 [2019-10-07 15:19:20,445 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:20,446 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 165 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 15:19:20,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:20,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:20,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-07 15:19:20,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:20,449 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:20,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:20,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:20,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:20,651 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:20,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:22,080 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-07 15:19:22,083 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-07 15:19:22,084 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-07 15:19:22,084 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:19:22,084 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-07 15:19:22,084 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:19:22,084 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-07 15:19:22,084 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:19:22,084 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-07 15:19:22,085 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-07 15:19:22,085 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:19:22,085 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-07 15:19:22,085 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:19:22,085 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-07 15:19:22,085 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2019-10-07 15:19:22,085 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2019-10-07 15:19:22,086 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2019-10-07 15:19:22,086 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2019-10-07 15:19:22,086 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2019-10-07 15:19:22,086 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2019-10-07 15:19:22,086 INFO L439 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:19:22,086 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-07 15:19:22,086 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-07 15:19:22,086 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-07 15:19:22,086 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-10-07 15:19:22,087 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2019-10-07 15:19:22,087 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-07 15:19:22,087 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-07 15:19:22,087 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,087 INFO L439 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,088 INFO L439 ceAbstractionStarter]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,088 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-10-07 15:19:22,088 INFO L443 ceAbstractionStarter]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2019-10-07 15:19:22,088 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2019-10-07 15:19:22,088 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-07 15:19:22,088 INFO L439 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,089 INFO L439 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,089 INFO L439 ceAbstractionStarter]: At program point L854-1(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,089 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2019-10-07 15:19:22,089 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2019-10-07 15:19:22,089 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2019-10-07 15:19:22,089 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-07 15:19:22,090 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-07 15:19:22,090 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-07 15:19:22,090 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-07 15:19:22,090 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-07 15:19:22,090 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-07 15:19:22,090 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-07 15:19:22,091 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-07 15:19:22,091 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-07 15:19:22,091 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-07 15:19:22,091 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-07 15:19:22,091 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-07 15:19:22,091 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-07 15:19:22,091 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-07 15:19:22,092 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-10-07 15:19:22,092 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:22,092 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-10-07 15:19:22,092 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,092 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-10-07 15:19:22,092 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-10-07 15:19:22,092 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-10-07 15:19:22,093 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-07 15:19:22,093 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-10-07 15:19:22,093 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-10-07 15:19:22,093 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-07 15:19:22,093 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-10-07 15:19:22,093 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-10-07 15:19:22,093 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-10-07 15:19:22,094 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2019-10-07 15:19:22,094 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2019-10-07 15:19:22,094 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:19:22,094 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:19:22,094 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:19:22,094 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:19:22,094 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,095 INFO L443 ceAbstractionStarter]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2019-10-07 15:19:22,095 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:22,096 INFO L439 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:22,096 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2019-10-07 15:19:22,096 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-10-07 15:19:22,096 INFO L439 ceAbstractionStarter]: At program point L532(line 532) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:19:22,096 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,096 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-10-07 15:19:22,096 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-10-07 15:19:22,096 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2019-10-07 15:19:22,096 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2019-10-07 15:19:22,096 INFO L439 ceAbstractionStarter]: At program point L929(lines 882 931) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,096 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,097 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,097 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-10-07 15:19:22,097 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2019-10-07 15:19:22,097 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2019-10-07 15:19:22,097 INFO L439 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,097 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,097 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-10-07 15:19:22,097 INFO L439 ceAbstractionStarter]: At program point L920-1(lines 912 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,097 INFO L443 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-10-07 15:19:22,097 INFO L439 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L439 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2019-10-07 15:19:22,098 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-07 15:19:22,099 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 573) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-07 15:19:22,100 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2019-10-07 15:19:22,101 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2019-10-07 15:19:22,101 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,101 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,101 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: true [2019-10-07 15:19:22,101 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2019-10-07 15:19:22,101 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2019-10-07 15:19:22,101 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2019-10-07 15:19:22,101 INFO L439 ceAbstractionStarter]: At program point L507(line 507) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:22,101 INFO L439 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:22,101 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:19:22,101 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 516) no Hoare annotation was computed. [2019-10-07 15:19:22,102 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0)))) [2019-10-07 15:19:22,102 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2019-10-07 15:19:22,102 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2019-10-07 15:19:22,102 INFO L446 ceAbstractionStarter]: At program point L801(lines 776 805) the Hoare annotation is: true [2019-10-07 15:19:22,102 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2019-10-07 15:19:22,102 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-07 15:19:22,102 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2019-10-07 15:19:22,102 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-10-07 15:19:22,103 INFO L446 ceAbstractionStarter]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2019-10-07 15:19:22,103 INFO L446 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2019-10-07 15:19:22,103 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-10-07 15:19:22,103 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-07 15:19:22,103 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2019-10-07 15:19:22,103 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2019-10-07 15:19:22,103 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2019-10-07 15:19:22,103 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2019-10-07 15:19:22,103 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,103 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 15:19:22,103 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:22,104 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,104 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-07 15:19:22,104 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: true [2019-10-07 15:19:22,104 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2019-10-07 15:19:22,104 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) [2019-10-07 15:19:22,104 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:19:22,105 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:19:22,105 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:19:22,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:22 BoogieIcfgContainer [2019-10-07 15:19:22,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:22,121 INFO L168 Benchmark]: Toolchain (without parser) took 7739.82 ms. Allocated memory was 136.8 MB in the beginning and 293.6 MB in the end (delta: 156.8 MB). Free memory was 99.6 MB in the beginning and 186.8 MB in the end (delta: -87.2 MB). Peak memory consumption was 172.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,122 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.71 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.4 MB in the beginning and 168.8 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,124 INFO L168 Benchmark]: Boogie Preprocessor took 87.23 ms. Allocated memory is still 201.9 MB. Free memory was 168.8 MB in the beginning and 164.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,125 INFO L168 Benchmark]: RCFGBuilder took 1771.49 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 164.0 MB in the beginning and 148.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,126 INFO L168 Benchmark]: TraceAbstraction took 5232.16 ms. Allocated memory was 232.3 MB in the beginning and 293.6 MB in the end (delta: 61.3 MB). Free memory was 148.1 MB in the beginning and 186.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 125.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.71 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.4 MB in the beginning and 168.8 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.23 ms. Allocated memory is still 201.9 MB. Free memory was 168.8 MB in the beginning and 164.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1771.49 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 164.0 MB in the beginning and 148.1 MB in the end (delta: 15.9 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5232.16 ms. Allocated memory was 232.3 MB in the beginning and 293.6 MB in the end (delta: 61.3 MB). Free memory was 148.1 MB in the beginning and 186.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 125.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 622 SDtfs, 469 SDslu, 1392 SDs, 0 SdLazy, 521 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 541 PreInvPairs, 602 NumberOfFragments, 549 HoareAnnotationTreeSize, 541 FomulaSimplifications, 844 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 2710 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 51496 SizeOfPredicates, 2 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 60/63 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...