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_spec5_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:21,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:21,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:21,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:21,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:21,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:21,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:21,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:21,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:21,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:21,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:21,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:21,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:21,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:21,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:21,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:21,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:21,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:21,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:21,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:21,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:21,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:21,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:21,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:21,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:21,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:21,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:21,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:21,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:21,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:21,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:21,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:21,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:21,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:21,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:21,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:21,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:21,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:21,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:21,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:21,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:21,303 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 15:20:21,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:21,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:21,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:21,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:21,319 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:21,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:21,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:21,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:21,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:21,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:21,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:21,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:21,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:21,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:21,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:21,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:21,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:21,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:21,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:21,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:21,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:21,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:21,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:21,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:21,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:21,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:21,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:21,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:21,324 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 15:20:21,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:21,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:21,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:21,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:21,632 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:21,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2019-10-07 15:20:21,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dab9abf/a0c2530780514f4c9086351f83e7e178/FLAG70af25b62 [2019-10-07 15:20:22,246 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:22,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2019-10-07 15:20:22,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dab9abf/a0c2530780514f4c9086351f83e7e178/FLAG70af25b62 [2019-10-07 15:20:22,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18dab9abf/a0c2530780514f4c9086351f83e7e178 [2019-10-07 15:20:22,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:22,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:22,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:22,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:22,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:22,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:22" (1/1) ... [2019-10-07 15:20:22,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7789f9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:22, skipping insertion in model container [2019-10-07 15:20:22,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:22" (1/1) ... [2019-10-07 15:20:22,535 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:22,578 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:23,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:23,034 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:23,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:23,239 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:23,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23 WrapperNode [2019-10-07 15:20:23,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:23,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:23,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:23,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:23,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (1/1) ... [2019-10-07 15:20:23,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:23,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:23,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:23,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:23,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (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 15:20:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:24,952 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:24,954 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:24,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:24 BoogieIcfgContainer [2019-10-07 15:20:24,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:24,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:24,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:24,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:24,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:22" (1/3) ... [2019-10-07 15:20:24,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7789d3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:24, skipping insertion in model container [2019-10-07 15:20:24,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:23" (2/3) ... [2019-10-07 15:20:24,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7789d3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:24, skipping insertion in model container [2019-10-07 15:20:24,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:24" (3/3) ... [2019-10-07 15:20:24,965 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2019-10-07 15:20:24,978 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:24,988 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:25,002 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:25,038 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:25,038 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:25,038 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:25,039 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:25,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:25,040 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:25,040 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:25,040 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-10-07 15:20:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:25,084 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:25,086 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:25,090 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:25,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:25,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1504620047, now seen corresponding path program 1 times [2019-10-07 15:20:25,107 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:25,108 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:25,109 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:25,109 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:25,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:25,468 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:25,469 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:25,470 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:25,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:25,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:25,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:25,494 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-10-07 15:20:25,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:25,536 INFO L93 Difference]: Finished difference Result 170 states and 209 transitions. [2019-10-07 15:20:25,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:25,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:25,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:25,548 INFO L225 Difference]: With dead ends: 170 [2019-10-07 15:20:25,548 INFO L226 Difference]: Without dead ends: 87 [2019-10-07 15:20:25,553 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 15:20:25,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-07 15:20:25,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-10-07 15:20:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-07 15:20:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2019-10-07 15:20:25,619 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 52 [2019-10-07 15:20:25,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:25,619 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2019-10-07 15:20:25,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2019-10-07 15:20:25,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:25,625 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:25,625 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:25,625 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:25,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:25,626 INFO L82 PathProgramCache]: Analyzing trace with hash 831420911, now seen corresponding path program 1 times [2019-10-07 15:20:25,628 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:25,628 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:25,628 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:25,628 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:25,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:25,787 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:25,788 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:25,788 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:25,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:25,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:25,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:25,791 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 3 states. [2019-10-07 15:20:25,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:25,832 INFO L93 Difference]: Finished difference Result 119 states and 136 transitions. [2019-10-07 15:20:25,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:25,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:25,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:25,838 INFO L225 Difference]: With dead ends: 119 [2019-10-07 15:20:25,838 INFO L226 Difference]: Without dead ends: 79 [2019-10-07 15:20:25,840 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 15:20:25,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-07 15:20:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-10-07 15:20:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-07 15:20:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2019-10-07 15:20:25,867 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 53 [2019-10-07 15:20:25,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:25,868 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2019-10-07 15:20:25,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2019-10-07 15:20:25,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:25,871 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:25,871 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:25,871 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:25,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:25,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1623831270, now seen corresponding path program 1 times [2019-10-07 15:20:25,872 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:25,872 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:25,873 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:25,873 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:25,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:26,071 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:26,071 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:26,072 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:26,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:26,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:26,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:26,075 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand 7 states. [2019-10-07 15:20:26,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:26,473 INFO L93 Difference]: Finished difference Result 236 states and 281 transitions. [2019-10-07 15:20:26,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:26,473 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:26,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:26,479 INFO L225 Difference]: With dead ends: 236 [2019-10-07 15:20:26,479 INFO L226 Difference]: Without dead ends: 182 [2019-10-07 15:20:26,480 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 15:20:26,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-10-07 15:20:26,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2019-10-07 15:20:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-10-07 15:20:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2019-10-07 15:20:26,519 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 56 [2019-10-07 15:20:26,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:26,520 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2019-10-07 15:20:26,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2019-10-07 15:20:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-07 15:20:26,523 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:26,524 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:26,524 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:26,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:26,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1444043342, now seen corresponding path program 1 times [2019-10-07 15:20:26,529 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:26,529 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:26,529 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:26,529 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:26,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:26,644 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:26,644 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:26,645 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:20:26,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:20:26,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:20:26,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:20:26,646 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 6 states. [2019-10-07 15:20:26,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:26,817 INFO L93 Difference]: Finished difference Result 291 states and 355 transitions. [2019-10-07 15:20:26,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:26,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-10-07 15:20:26,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:26,818 INFO L225 Difference]: With dead ends: 291 [2019-10-07 15:20:26,819 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:26,821 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 15:20:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:26,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:26,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-07 15:20:26,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:26,823 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:26,823 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:20:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:26,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:26,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:27,218 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-07 15:20:27,218 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-07 15:20:27,219 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:20:27,219 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-07 15:20:27,219 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-07 15:20:27,219 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-07 15:20:27,219 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:20:27,219 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-07 15:20:27,219 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-07 15:20:27,220 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:20:27,220 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-07 15:20:27,220 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-07 15:20:27,220 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-07 15:20:27,226 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2019-10-07 15:20:27,226 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2019-10-07 15:20:27,226 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2019-10-07 15:20:27,226 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2019-10-07 15:20:27,226 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 759 766) the Hoare annotation is: true [2019-10-07 15:20:27,226 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 759 766) no Hoare annotation was computed. [2019-10-07 15:20:27,227 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 767 776) the Hoare annotation is: true [2019-10-07 15:20:27,227 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 767 776) no Hoare annotation was computed. [2019-10-07 15:20:27,227 INFO L443 ceAbstractionStarter]: For program point L772(line 772) no Hoare annotation was computed. [2019-10-07 15:20:27,227 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:27,230 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 796) no Hoare annotation was computed. [2019-10-07 15:20:27,231 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 799) no Hoare annotation was computed. [2019-10-07 15:20:27,231 INFO L446 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2019-10-07 15:20:27,231 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-07 15:20:27,231 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 802) no Hoare annotation was computed. [2019-10-07 15:20:27,231 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 777 805) the Hoare annotation is: true [2019-10-07 15:20:27,231 INFO L443 ceAbstractionStarter]: For program point L785-1(lines 777 805) no Hoare annotation was computed. [2019-10-07 15:20:27,231 INFO L446 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: true [2019-10-07 15:20:27,232 INFO L443 ceAbstractionStarter]: For program point L783-1(line 783) no Hoare annotation was computed. [2019-10-07 15:20:27,232 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 777 805) no Hoare annotation was computed. [2019-10-07 15:20:27,232 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:27,232 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,232 INFO L439 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,232 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2019-10-07 15:20:27,233 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2019-10-07 15:20:27,233 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-07 15:20:27,233 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2019-10-07 15:20:27,236 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:27,236 INFO L439 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:27,236 INFO L439 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:27,237 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2019-10-07 15:20:27,237 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2019-10-07 15:20:27,237 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2019-10-07 15:20:27,237 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-07 15:20:27,237 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-07 15:20:27,237 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-07 15:20:27,237 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-10-07 15:20:27,238 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-07 15:20:27,238 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-07 15:20:27,238 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-10-07 15:20:27,238 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-07 15:20:27,238 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-07 15:20:27,238 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-07 15:20:27,238 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-07 15:20:27,239 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-07 15:20:27,239 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-07 15:20:27,239 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-07 15:20:27,239 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 674 688) no Hoare annotation was computed. [2019-10-07 15:20:27,239 INFO L439 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:27,239 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2019-10-07 15:20:27,239 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 674 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:27,240 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 629 637) no Hoare annotation was computed. [2019-10-07 15:20:27,240 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 629 637) the Hoare annotation is: true [2019-10-07 15:20:27,240 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-07 15:20:27,240 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-10-07 15:20:27,240 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 638 673) no Hoare annotation was computed. [2019-10-07 15:20:27,240 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 638 673) no Hoare annotation was computed. [2019-10-07 15:20:27,240 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2019-10-07 15:20:27,241 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2019-10-07 15:20:27,241 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:20:27,241 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-07 15:20:27,241 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:20:27,241 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-07 15:20:27,241 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:27,242 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2019-10-07 15:20:27,242 INFO L439 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:27,242 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2019-10-07 15:20:27,242 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 618 628) no Hoare annotation was computed. [2019-10-07 15:20:27,242 INFO L443 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2019-10-07 15:20:27,242 INFO L443 ceAbstractionStarter]: For program point L623-1(line 623) no Hoare annotation was computed. [2019-10-07 15:20:27,242 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 618 628) no Hoare annotation was computed. [2019-10-07 15:20:27,243 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 610 617) the Hoare annotation is: true [2019-10-07 15:20:27,243 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 610 617) no Hoare annotation was computed. [2019-10-07 15:20:27,243 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 595 601) no Hoare annotation was computed. [2019-10-07 15:20:27,243 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 595 601) the Hoare annotation is: true [2019-10-07 15:20:27,243 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 690 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:27,243 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 690 755) no Hoare annotation was computed. [2019-10-07 15:20:27,244 INFO L439 ceAbstractionStarter]: At program point L748(lines 699 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,244 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,244 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-10-07 15:20:27,244 INFO L439 ceAbstractionStarter]: At program point L736-1(lines 730 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,245 INFO L443 ceAbstractionStarter]: For program point L701(lines 700 747) no Hoare annotation was computed. [2019-10-07 15:20:27,245 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 743) no Hoare annotation was computed. [2019-10-07 15:20:27,245 INFO L439 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,245 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2019-10-07 15:20:27,246 INFO L443 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2019-10-07 15:20:27,246 INFO L439 ceAbstractionStarter]: At program point L745(lines 700 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,246 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:27,246 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-10-07 15:20:27,246 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2019-10-07 15:20:27,246 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 690 755) no Hoare annotation was computed. [2019-10-07 15:20:27,247 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:20:27,247 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-07 15:20:27,247 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 854 876) no Hoare annotation was computed. [2019-10-07 15:20:27,247 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 854 876) no Hoare annotation was computed. [2019-10-07 15:20:27,247 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-07 15:20:27,247 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:20:27,247 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-07 15:20:27,248 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:20:27,248 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-07 15:20:27,248 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-07 15:20:27,248 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-07 15:20:27,248 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:20:27,248 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-07 15:20:27,248 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-07 15:20:27,249 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-07 15:20:27,249 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-07 15:20:27,249 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-07 15:20:27,249 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2019-10-07 15:20:27,249 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2019-10-07 15:20:27,249 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:27,249 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:27,250 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 602 609) no Hoare annotation was computed. [2019-10-07 15:20:27,250 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 602 609) no Hoare annotation was computed. [2019-10-07 15:20:27,252 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 877 885) the Hoare annotation is: true [2019-10-07 15:20:27,252 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 877 885) no Hoare annotation was computed. [2019-10-07 15:20:27,252 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:27,252 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:27,253 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 833 844) the Hoare annotation is: true [2019-10-07 15:20:27,253 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 833 844) no Hoare annotation was computed. [2019-10-07 15:20:27,253 INFO L439 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:27,253 INFO L443 ceAbstractionStarter]: For program point L575(lines 571 593) no Hoare annotation was computed. [2019-10-07 15:20:27,253 INFO L443 ceAbstractionStarter]: For program point L573(lines 571 593) no Hoare annotation was computed. [2019-10-07 15:20:27,253 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 568 594) the Hoare annotation is: true [2019-10-07 15:20:27,255 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 568 594) no Hoare annotation was computed. [2019-10-07 15:20:27,255 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-07 15:20:27,256 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 568 594) no Hoare annotation was computed. [2019-10-07 15:20:27,256 INFO L446 ceAbstractionStarter]: At program point L582(lines 582 588) the Hoare annotation is: true [2019-10-07 15:20:27,256 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2019-10-07 15:20:27,256 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2019-10-07 15:20:27,256 INFO L446 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2019-10-07 15:20:27,256 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-07 15:20:27,256 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-07 15:20:27,257 INFO L446 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2019-10-07 15:20:27,257 INFO L446 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2019-10-07 15:20:27,257 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-07 15:20:27,257 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-07 15:20:27,257 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 845 853) no Hoare annotation was computed. [2019-10-07 15:20:27,257 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 845 853) no Hoare annotation was computed. [2019-10-07 15:20:27,257 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 809 820) the Hoare annotation is: true [2019-10-07 15:20:27,258 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 809 820) no Hoare annotation was computed. [2019-10-07 15:20:27,258 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2019-10-07 15:20:27,258 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2019-10-07 15:20:27,258 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:27,258 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:27,258 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:27,259 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:27,259 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 821 832) no Hoare annotation was computed. [2019-10-07 15:20:27,259 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 821 832) the Hoare annotation is: true [2019-10-07 15:20:27,276 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:20:27,277 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:20:27,277 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:20:27,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:27 BoogieIcfgContainer [2019-10-07 15:20:27,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:27,298 INFO L168 Benchmark]: Toolchain (without parser) took 4777.51 ms. Allocated memory was 136.8 MB in the beginning and 249.0 MB in the end (delta: 112.2 MB). Free memory was 101.1 MB in the beginning and 216.6 MB in the end (delta: -115.5 MB). Peak memory consumption was 130.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:27,299 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:27,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.18 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 168.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:27,301 INFO L168 Benchmark]: Boogie Preprocessor took 95.84 ms. Allocated memory is still 201.3 MB. Free memory was 168.7 MB in the beginning and 164.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:27,302 INFO L168 Benchmark]: RCFGBuilder took 1618.71 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 164.4 MB in the beginning and 153.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:27,303 INFO L168 Benchmark]: TraceAbstraction took 2337.68 ms. Allocated memory was 231.7 MB in the beginning and 249.0 MB in the end (delta: 17.3 MB). Free memory was 153.1 MB in the beginning and 216.6 MB in the end (delta: -63.5 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:27,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.18 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 168.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.84 ms. Allocated memory is still 201.3 MB. Free memory was 168.7 MB in the beginning and 164.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1618.71 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 164.4 MB in the beginning and 153.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2337.68 ms. Allocated memory was 231.7 MB in the beginning and 249.0 MB in the end (delta: 17.3 MB). Free memory was 153.1 MB in the beginning and 216.6 MB in the end (delta: -63.5 MB). Peak memory consumption was 87.3 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: 700]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 165 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 388 SDtfs, 182 SDslu, 644 SDs, 0 SdLazy, 205 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=3, 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, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 197 PreInvPairs, 218 NumberOfFragments, 301 HoareAnnotationTreeSize, 197 FomulaSimplifications, 113 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 47 FomulaSimplificationsInter, 580 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 19476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...