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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:14:50,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:14:50,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:14:50,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:14:50,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:14:50,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:14:50,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:14:50,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:14:50,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:14:50,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:14:50,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:14:50,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:14:50,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:14:50,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:14:50,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:14:50,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:14:50,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:14:50,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:14:50,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:14:50,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:14:50,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:14:50,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:14:50,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:14:50,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:14:50,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:14:50,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:14:50,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:14:50,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:14:50,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:14:50,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:14:50,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:14:50,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:14:50,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:14:50,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:14:50,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:14:50,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:14:50,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:14:50,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:14:50,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:14:50,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:14:50,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:14:50,129 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 15:14:50,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:14:50,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:14:50,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:14:50,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:14:50,158 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:14:50,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:14:50,159 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:14:50,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:14:50,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:14:50,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:14:50,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:14:50,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:14:50,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:14:50,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:14:50,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:14:50,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:14:50,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:14:50,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:14:50,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:14:50,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:14:50,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:14:50,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:14:50,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:14:50,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:14:50,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:14:50,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:14:50,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:14:50,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:14:50,168 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 15:14:50,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:14:50,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:14:50,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:14:50,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:14:50,471 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:14:50,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-10-07 15:14:50,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6705f2e/5a71af4b7ee24a20ac103d16c748e5f9/FLAG277ac7a38 [2019-10-07 15:14:51,025 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:14:51,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2019-10-07 15:14:51,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6705f2e/5a71af4b7ee24a20ac103d16c748e5f9/FLAG277ac7a38 [2019-10-07 15:14:51,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6705f2e/5a71af4b7ee24a20ac103d16c748e5f9 [2019-10-07 15:14:51,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:14:51,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:14:51,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:51,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:14:51,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:14:51,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:51" (1/1) ... [2019-10-07 15:14:51,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d3d617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:51, skipping insertion in model container [2019-10-07 15:14:51,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:51" (1/1) ... [2019-10-07 15:14:51,369 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:14:51,432 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:14:51,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:52,026 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:14:52,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:52,172 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:14:52,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52 WrapperNode [2019-10-07 15:14:52,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:52,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:14:52,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:14:52,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:14:52,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (1/1) ... [2019-10-07 15:14:52,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (1/1) ... [2019-10-07 15:14:52,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (1/1) ... [2019-10-07 15:14:52,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (1/1) ... [2019-10-07 15:14:52,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (1/1) ... [2019-10-07 15:14:52,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (1/1) ... [2019-10-07 15:14:52,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (1/1) ... [2019-10-07 15:14:52,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:14:52,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:14:52,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:14:52,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:14:52,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (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 15:14:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:14:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:14:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:14:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:14:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:14:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:14:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:14:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:14:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:14:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:14:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:14:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:14:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:14:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:14:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:14:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:14:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:14:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:14:52,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:14:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:14:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:14:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:14:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:14:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:14:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:14:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:14:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:14:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:14:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:14:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:14:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:14:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:14:52,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:14:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:14:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:14:52,389 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:14:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:14:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:14:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:14:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:14:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:14:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:14:52,392 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:14:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:14:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:14:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:14:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:14:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:14:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:14:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:14:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:14:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:14:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:14:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:14:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:14:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:14:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:14:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:52,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:14:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:14:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:14:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:14:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:14:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:14:52,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:14:53,977 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:14:53,978 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:14:53,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:53 BoogieIcfgContainer [2019-10-07 15:14:53,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:14:53,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:14:53,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:14:53,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:14:53,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:14:51" (1/3) ... [2019-10-07 15:14:53,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108437f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:53, skipping insertion in model container [2019-10-07 15:14:53,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:52" (2/3) ... [2019-10-07 15:14:53,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108437f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:53, skipping insertion in model container [2019-10-07 15:14:53,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:53" (3/3) ... [2019-10-07 15:14:53,988 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2019-10-07 15:14:53,999 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:14:54,009 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:14:54,022 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:14:54,056 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:14:54,056 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:14:54,057 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:14:54,057 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:14:54,057 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:14:54,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:14:54,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:14:54,058 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:14:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-07 15:14:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:14:54,091 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:54,093 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 15:14:54,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:54,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:54,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2060708671, now seen corresponding path program 1 times [2019-10-07 15:14:54,111 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:54,112 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:54,112 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:54,112 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:54,468 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 15:14:54,469 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:54,469 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:54,470 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:14:54,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:14:54,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:14:54,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:14:54,493 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-07 15:14:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:54,532 INFO L93 Difference]: Finished difference Result 185 states and 230 transitions. [2019-10-07 15:14:54,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:14:54,534 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:14:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:54,546 INFO L225 Difference]: With dead ends: 185 [2019-10-07 15:14:54,547 INFO L226 Difference]: Without dead ends: 93 [2019-10-07 15:14:54,551 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 15:14:54,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-07 15:14:54,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-10-07 15:14:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-07 15:14:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2019-10-07 15:14:54,600 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 42 [2019-10-07 15:14:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:54,601 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2019-10-07 15:14:54,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:14:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2019-10-07 15:14:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:14:54,604 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:54,604 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 15:14:54,605 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:54,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:54,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1101163707, now seen corresponding path program 1 times [2019-10-07 15:14:54,605 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:54,606 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:54,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:54,606 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:54,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:54,737 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 15:14:54,738 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:54,738 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:54,739 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:54,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:54,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:54,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:54,743 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand 3 states. [2019-10-07 15:14:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:54,789 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2019-10-07 15:14:54,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:54,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:14:54,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:54,798 INFO L225 Difference]: With dead ends: 136 [2019-10-07 15:14:54,798 INFO L226 Difference]: Without dead ends: 85 [2019-10-07 15:14:54,801 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 15:14:54,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-07 15:14:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-10-07 15:14:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-07 15:14:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2019-10-07 15:14:54,831 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 43 [2019-10-07 15:14:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:54,832 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2019-10-07 15:14:54,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2019-10-07 15:14:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:14:54,834 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:54,835 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] [2019-10-07 15:14:54,835 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:54,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:54,836 INFO L82 PathProgramCache]: Analyzing trace with hash -607083675, now seen corresponding path program 1 times [2019-10-07 15:14:54,836 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:54,836 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:54,836 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:54,836 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:54,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:55,061 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 15:14:55,061 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:55,062 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:55,062 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:14:55,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:14:55,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:14:55,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:14:55,066 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 7 states. [2019-10-07 15:14:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:55,534 INFO L93 Difference]: Finished difference Result 255 states and 307 transitions. [2019-10-07 15:14:55,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:14:55,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:14:55,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:55,540 INFO L225 Difference]: With dead ends: 255 [2019-10-07 15:14:55,541 INFO L226 Difference]: Without dead ends: 192 [2019-10-07 15:14:55,543 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 15:14:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-10-07 15:14:55,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 184. [2019-10-07 15:14:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-07 15:14:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 221 transitions. [2019-10-07 15:14:55,597 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 221 transitions. Word has length 46 [2019-10-07 15:14:55,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:55,597 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 221 transitions. [2019-10-07 15:14:55,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:14:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 221 transitions. [2019-10-07 15:14:55,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:14:55,607 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:55,607 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 15:14:55,608 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:55,608 INFO L82 PathProgramCache]: Analyzing trace with hash -588490393, now seen corresponding path program 1 times [2019-10-07 15:14:55,608 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:55,608 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:55,608 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:55,609 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:55,765 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 15:14:55,765 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:55,766 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:55,766 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:14:55,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:14:55,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:14:55,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:14:55,767 INFO L87 Difference]: Start difference. First operand 184 states and 221 transitions. Second operand 6 states. [2019-10-07 15:14:55,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:55,956 INFO L93 Difference]: Finished difference Result 493 states and 612 transitions. [2019-10-07 15:14:55,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:14:55,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:14:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:55,965 INFO L225 Difference]: With dead ends: 493 [2019-10-07 15:14:55,966 INFO L226 Difference]: Without dead ends: 331 [2019-10-07 15:14:55,970 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:14:55,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-10-07 15:14:56,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 319. [2019-10-07 15:14:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-10-07 15:14:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 388 transitions. [2019-10-07 15:14:56,042 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 388 transitions. Word has length 51 [2019-10-07 15:14:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:56,042 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 388 transitions. [2019-10-07 15:14:56,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:14:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 388 transitions. [2019-10-07 15:14:56,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:14:56,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:56,047 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 15:14:56,047 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:56,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:56,047 INFO L82 PathProgramCache]: Analyzing trace with hash 727906549, now seen corresponding path program 1 times [2019-10-07 15:14:56,048 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:56,048 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:56,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:56,048 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:56,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:56,145 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 15:14:56,145 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:56,146 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:56,146 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:14:56,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:14:56,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:14:56,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:14:56,147 INFO L87 Difference]: Start difference. First operand 319 states and 388 transitions. Second operand 7 states. [2019-10-07 15:14:56,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:56,477 INFO L93 Difference]: Finished difference Result 547 states and 688 transitions. [2019-10-07 15:14:56,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:14:56,478 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:14:56,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:56,479 INFO L225 Difference]: With dead ends: 547 [2019-10-07 15:14:56,479 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:14:56,481 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:14:56,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:14:56,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:14:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:14:56,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:14:56,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:14:56,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:56,483 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:14:56,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:14:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:14:56,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:14:56,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:14:57,540 INFO L443 ceAbstractionStarter]: For program point L634(lines 611 635) no Hoare annotation was computed. [2019-10-07 15:14:57,540 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-10-07 15:14:57,540 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point L695(lines 668 696) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2019-10-07 15:14:57,541 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 679) no Hoare annotation was computed. [2019-10-07 15:14:57,542 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2019-10-07 15:14:57,542 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2019-10-07 15:14:57,542 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2019-10-07 15:14:57,542 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2019-10-07 15:14:57,542 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:14:57,542 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-07 15:14:57,543 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,543 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,543 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,543 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,544 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-07 15:14:57,544 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:14:57,544 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:14:57,544 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:14:57,544 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:14:57,544 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:14:57,545 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 336) no Hoare annotation was computed. [2019-10-07 15:14:57,546 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 330 336) the Hoare annotation is: true [2019-10-07 15:14:57,547 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 452 466) no Hoare annotation was computed. [2019-10-07 15:14:57,547 INFO L439 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:14:57,547 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 462) no Hoare annotation was computed. [2019-10-07 15:14:57,547 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 452 466) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:14:57,547 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 363 370) no Hoare annotation was computed. [2019-10-07 15:14:57,547 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 363 370) no Hoare annotation was computed. [2019-10-07 15:14:57,547 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 407 415) no Hoare annotation was computed. [2019-10-07 15:14:57,548 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 407 415) the Hoare annotation is: true [2019-10-07 15:14:57,548 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-07 15:14:57,548 INFO L443 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2019-10-07 15:14:57,548 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 416 451) no Hoare annotation was computed. [2019-10-07 15:14:57,548 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 416 451) no Hoare annotation was computed. [2019-10-07 15:14:57,548 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2019-10-07 15:14:57,548 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2019-10-07 15:14:57,549 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2019-10-07 15:14:57,549 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2019-10-07 15:14:57,549 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2019-10-07 15:14:57,549 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2019-10-07 15:14:57,549 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,549 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:14:57,549 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:14:57,549 INFO L446 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: true [2019-10-07 15:14:57,550 INFO L443 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2019-10-07 15:14:57,550 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 396 406) the Hoare annotation is: true [2019-10-07 15:14:57,550 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 396 406) no Hoare annotation was computed. [2019-10-07 15:14:57,550 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 388 395) the Hoare annotation is: true [2019-10-07 15:14:57,550 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 388 395) no Hoare annotation was computed. [2019-10-07 15:14:57,550 INFO L439 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:14:57,550 INFO L439 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:14:57,551 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 354) no Hoare annotation was computed. [2019-10-07 15:14:57,551 INFO L439 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:14:57,551 INFO L443 ceAbstractionStarter]: For program point L344-1(line 344) no Hoare annotation was computed. [2019-10-07 15:14:57,551 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 338 362) no Hoare annotation was computed. [2019-10-07 15:14:57,551 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 359) no Hoare annotation was computed. [2019-10-07 15:14:57,551 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 338 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:14:57,551 INFO L439 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:14:57,552 INFO L443 ceAbstractionStarter]: For program point L357-1(lines 338 362) no Hoare annotation was computed. [2019-10-07 15:14:57,552 INFO L439 ceAbstractionStarter]: At program point L514-1(lines 508 521) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,552 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 468 533) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,552 INFO L443 ceAbstractionStarter]: For program point L479(lines 478 525) no Hoare annotation was computed. [2019-10-07 15:14:57,552 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2019-10-07 15:14:57,552 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2019-10-07 15:14:57,552 INFO L439 ceAbstractionStarter]: At program point L500(line 500) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,552 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-10-07 15:14:57,552 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2019-10-07 15:14:57,553 INFO L439 ceAbstractionStarter]: At program point L523(lines 478 525) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,553 INFO L439 ceAbstractionStarter]: At program point L490(line 490) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,553 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-10-07 15:14:57,553 INFO L443 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2019-10-07 15:14:57,553 INFO L439 ceAbstractionStarter]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,553 INFO L439 ceAbstractionStarter]: At program point L516(line 516) 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(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:57,554 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2019-10-07 15:14:57,554 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2019-10-07 15:14:57,554 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2019-10-07 15:14:57,554 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2019-10-07 15:14:57,554 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2019-10-07 15:14:57,554 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2019-10-07 15:14:57,554 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2019-10-07 15:14:57,555 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2019-10-07 15:14:57,555 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-10-07 15:14:57,555 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2019-10-07 15:14:57,555 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-10-07 15:14:57,555 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2019-10-07 15:14:57,555 INFO L443 ceAbstractionStarter]: For program point L775(lines 753 776) no Hoare annotation was computed. [2019-10-07 15:14:57,555 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2019-10-07 15:14:57,556 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 750) no Hoare annotation was computed. [2019-10-07 15:14:57,556 INFO L443 ceAbstractionStarter]: For program point L755(lines 754 774) no Hoare annotation was computed. [2019-10-07 15:14:57,556 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-07 15:14:57,556 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2019-10-07 15:14:57,556 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-07 15:14:57,556 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 792) no Hoare annotation was computed. [2019-10-07 15:14:57,556 INFO L443 ceAbstractionStarter]: For program point L770(line 770) no Hoare annotation was computed. [2019-10-07 15:14:57,557 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:14:57,557 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:57,557 INFO L443 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2019-10-07 15:14:57,557 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 371 387) no Hoare annotation was computed. [2019-10-07 15:14:57,557 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 371 387) no Hoare annotation was computed. [2019-10-07 15:14:57,557 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 384) no Hoare annotation was computed. [2019-10-07 15:14:57,557 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 371 387) no Hoare annotation was computed. [2019-10-07 15:14:57,557 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-10-07 15:14:57,558 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-10-07 15:14:57,558 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2019-10-07 15:14:57,558 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2019-10-07 15:14:57,558 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2019-10-07 15:14:57,558 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2019-10-07 15:14:57,558 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:57,558 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:14:57,559 INFO L439 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:14:57,559 INFO L439 ceAbstractionStarter]: At program point L317(lines 317 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:14:57,559 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:14:57,559 INFO L443 ceAbstractionStarter]: For program point L310(lines 309 328) no Hoare annotation was computed. [2019-10-07 15:14:57,559 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 306 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:14:57,559 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 306 329) no Hoare annotation was computed. [2019-10-07 15:14:57,559 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 306 329) no Hoare annotation was computed. [2019-10-07 15:14:57,560 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:14:57,560 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:14:57,560 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:14:57,560 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:14:57,560 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:14:57,560 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:14:57,560 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:14:57,560 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:14:57,561 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:14:57,561 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2019-10-07 15:14:57,561 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2019-10-07 15:14:57,561 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2019-10-07 15:14:57,561 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2019-10-07 15:14:57,561 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:14:57,561 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:14:57,561 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:57,562 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:14:57,562 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:14:57,562 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:14:57,562 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2019-10-07 15:14:57,562 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2019-10-07 15:14:57,562 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-07 15:14:57,562 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2019-10-07 15:14:57,563 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2019-10-07 15:14:57,563 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 265 289) the Hoare annotation is: true [2019-10-07 15:14:57,563 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 265 289) no Hoare annotation was computed. [2019-10-07 15:14:57,563 INFO L439 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:14:57,563 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 283) no Hoare annotation was computed. [2019-10-07 15:14:57,563 INFO L439 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:14:57,563 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:14:57,563 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 286) no Hoare annotation was computed. [2019-10-07 15:14:57,564 INFO L443 ceAbstractionStarter]: For program point L273-1(lines 265 289) no Hoare annotation was computed. [2019-10-07 15:14:57,564 INFO L446 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: true [2019-10-07 15:14:57,564 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-10-07 15:14:57,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:14:57 BoogieIcfgContainer [2019-10-07 15:14:57,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:14:57,581 INFO L168 Benchmark]: Toolchain (without parser) took 6226.62 ms. Allocated memory was 138.9 MB in the beginning and 278.9 MB in the end (delta: 140.0 MB). Free memory was 103.3 MB in the beginning and 187.8 MB in the end (delta: -84.5 MB). Peak memory consumption was 114.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:57,583 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:14:57,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.59 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.1 MB in the beginning and 173.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:57,585 INFO L168 Benchmark]: Boogie Preprocessor took 144.79 ms. Allocated memory is still 203.9 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:57,586 INFO L168 Benchmark]: RCFGBuilder took 1657.50 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 169.0 MB in the beginning and 155.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:57,587 INFO L168 Benchmark]: TraceAbstraction took 3597.94 ms. Allocated memory was 233.8 MB in the beginning and 278.9 MB in the end (delta: 45.1 MB). Free memory was 155.2 MB in the beginning and 187.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 71.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:57,592 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 819.59 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.1 MB in the beginning and 173.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.79 ms. Allocated memory is still 203.9 MB. Free memory was 173.1 MB in the beginning and 169.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1657.50 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 169.0 MB in the beginning and 155.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3597.94 ms. Allocated memory was 233.8 MB in the beginning and 278.9 MB in the end (delta: 45.1 MB). Free memory was 155.2 MB in the beginning and 187.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 71.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: 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: 477]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 174 locations, 1 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 514 SDtfs, 321 SDslu, 917 SDs, 0 SdLazy, 367 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 430 PreInvPairs, 472 NumberOfFragments, 467 HoareAnnotationTreeSize, 430 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1763 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 20569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...