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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:08,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:08,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:08,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:08,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:08,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:08,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:08,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:08,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:08,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:08,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:08,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:08,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:08,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:08,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:08,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:08,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:08,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:08,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:08,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:08,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:08,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:08,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:08,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:08,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:08,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:08,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:08,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:08,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:08,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:08,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:08,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:08,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:08,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:08,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:08,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:08,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:08,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:08,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:08,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:08,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:08,335 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 [2019-10-13 23:14:08,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:08,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:08,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:08,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:08,357 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:08,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:08,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:08,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:08,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:08,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:08,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:08,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:08,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:08,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:08,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:08,360 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:08,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:08,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:08,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:08,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:08,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:08,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:08,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:08,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:08,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:08,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:08,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:08,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:08,363 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 [2019-10-13 23:14:08,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:08,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:08,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:08,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:08,656 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:08,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2019-10-13 23:14:08,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414e824a0/cd9535ad51af4c1da4cdfae957b318d7/FLAG2a1400ee8 [2019-10-13 23:14:09,306 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:09,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2019-10-13 23:14:09,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414e824a0/cd9535ad51af4c1da4cdfae957b318d7/FLAG2a1400ee8 [2019-10-13 23:14:09,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414e824a0/cd9535ad51af4c1da4cdfae957b318d7 [2019-10-13 23:14:09,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:09,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:09,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:09,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:09,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:09,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:09" (1/1) ... [2019-10-13 23:14:09,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68130638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:09, skipping insertion in model container [2019-10-13 23:14:09,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:09" (1/1) ... [2019-10-13 23:14:09,592 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:09,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:10,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:10,090 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:10,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:10,214 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:10,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10 WrapperNode [2019-10-13 23:14:10,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:10,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:10,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:10,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:10,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (1/1) ... [2019-10-13 23:14:10,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:10,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:10,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:10,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:10,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (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 [2019-10-13 23:14:10,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:10,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:10,391 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:10,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:10,392 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:10,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:11,927 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:11,928 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:11,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:11 BoogieIcfgContainer [2019-10-13 23:14:11,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:11,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:11,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:11,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:11,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:09" (1/3) ... [2019-10-13 23:14:11,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cae59dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:11, skipping insertion in model container [2019-10-13 23:14:11,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:10" (2/3) ... [2019-10-13 23:14:11,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cae59dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:11, skipping insertion in model container [2019-10-13 23:14:11,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:11" (3/3) ... [2019-10-13 23:14:11,939 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2019-10-13 23:14:11,949 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:11,960 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:11,971 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:12,008 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:12,008 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:12,008 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:12,009 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:12,009 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:12,010 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:12,010 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:12,010 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:12,041 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-10-13 23:14:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:12,053 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:12,054 INFO L380 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] [2019-10-13 23:14:12,058 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:12,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:12,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1244502540, now seen corresponding path program 1 times [2019-10-13 23:14:12,077 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:12,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288190767] [2019-10-13 23:14:12,077 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:12,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288190767] [2019-10-13 23:14:12,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:12,443 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:12,443 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906204721] [2019-10-13 23:14:12,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:12,450 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:12,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:12,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:12,468 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-10-13 23:14:12,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:12,503 INFO L93 Difference]: Finished difference Result 163 states and 198 transitions. [2019-10-13 23:14:12,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:12,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:12,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:12,525 INFO L225 Difference]: With dead ends: 163 [2019-10-13 23:14:12,525 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:14:12,536 INFO L600 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 [2019-10-13 23:14:12,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:14:12,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:14:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:14:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-10-13 23:14:12,621 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 42 [2019-10-13 23:14:12,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:12,622 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-10-13 23:14:12,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-10-13 23:14:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:12,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:12,625 INFO L380 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] [2019-10-13 23:14:12,626 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:12,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:12,626 INFO L82 PathProgramCache]: Analyzing trace with hash -256714164, now seen corresponding path program 1 times [2019-10-13 23:14:12,627 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:12,627 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994934047] [2019-10-13 23:14:12,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:12,756 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994934047] [2019-10-13 23:14:12,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:12,757 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:12,757 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384328449] [2019-10-13 23:14:12,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:12,760 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:12,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:12,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:12,761 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-10-13 23:14:12,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:12,795 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2019-10-13 23:14:12,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:12,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:12,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:12,798 INFO L225 Difference]: With dead ends: 109 [2019-10-13 23:14:12,798 INFO L226 Difference]: Without dead ends: 74 [2019-10-13 23:14:12,799 INFO L600 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 [2019-10-13 23:14:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-13 23:14:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-13 23:14:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-13 23:14:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-10-13 23:14:12,817 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 43 [2019-10-13 23:14:12,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:12,818 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-10-13 23:14:12,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-10-13 23:14:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:14:12,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:12,822 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:12,823 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:12,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:12,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1904335376, now seen corresponding path program 1 times [2019-10-13 23:14:12,824 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:12,824 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258902871] [2019-10-13 23:14:12,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:12,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258902871] [2019-10-13 23:14:13,013 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,014 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:13,014 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702730188] [2019-10-13 23:14:13,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:13,015 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:13,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:13,016 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-10-13 23:14:13,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:13,406 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2019-10-13 23:14:13,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:14:13,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-13 23:14:13,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:13,410 INFO L225 Difference]: With dead ends: 223 [2019-10-13 23:14:13,410 INFO L226 Difference]: Without dead ends: 171 [2019-10-13 23:14:13,411 INFO L600 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 [2019-10-13 23:14:13,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-10-13 23:14:13,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2019-10-13 23:14:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 23:14:13,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 172 transitions. [2019-10-13 23:14:13,438 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 172 transitions. Word has length 47 [2019-10-13 23:14:13,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:13,438 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 172 transitions. [2019-10-13 23:14:13,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2019-10-13 23:14:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:14:13,441 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:13,441 INFO L380 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] [2019-10-13 23:14:13,441 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:13,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:13,442 INFO L82 PathProgramCache]: Analyzing trace with hash 619722114, now seen corresponding path program 1 times [2019-10-13 23:14:13,442 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:13,442 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115690750] [2019-10-13 23:14:13,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,443 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115690750] [2019-10-13 23:14:13,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:13,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650044033] [2019-10-13 23:14:13,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:13,550 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:13,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:13,550 INFO L87 Difference]: Start difference. First operand 149 states and 172 transitions. Second operand 6 states. [2019-10-13 23:14:13,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:13,739 INFO L93 Difference]: Finished difference Result 388 states and 465 transitions. [2019-10-13 23:14:13,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:13,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-10-13 23:14:13,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:13,749 INFO L225 Difference]: With dead ends: 388 [2019-10-13 23:14:13,749 INFO L226 Difference]: Without dead ends: 261 [2019-10-13 23:14:13,752 INFO L600 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 [2019-10-13 23:14:13,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-10-13 23:14:13,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2019-10-13 23:14:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-10-13 23:14:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 290 transitions. [2019-10-13 23:14:13,809 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 290 transitions. Word has length 50 [2019-10-13 23:14:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:13,810 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 290 transitions. [2019-10-13 23:14:13,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 290 transitions. [2019-10-13 23:14:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:14:13,817 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:13,817 INFO L380 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] [2019-10-13 23:14:13,817 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:13,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:13,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1026130741, now seen corresponding path program 1 times [2019-10-13 23:14:13,821 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:13,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235328410] [2019-10-13 23:14:13,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:13,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:13,986 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235328410] [2019-10-13 23:14:13,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:13,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:13,987 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356175045] [2019-10-13 23:14:13,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:13,988 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:13,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:13,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:13,988 INFO L87 Difference]: Start difference. First operand 249 states and 290 transitions. Second operand 6 states. [2019-10-13 23:14:14,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:14,157 INFO L93 Difference]: Finished difference Result 455 states and 548 transitions. [2019-10-13 23:14:14,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:14,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-13 23:14:14,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:14,159 INFO L225 Difference]: With dead ends: 455 [2019-10-13 23:14:14,159 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:14,162 INFO L600 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 [2019-10-13 23:14:14,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:14,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-10-13 23:14:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:14,167 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:14,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:14,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:14,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:14,841 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-10-13 23:14:14,841 INFO L443 ceAbstractionStarter]: For program point L339-2(lines 339 360) no Hoare annotation was computed. [2019-10-13 23:14:14,841 INFO L443 ceAbstractionStarter]: For program point L361(lines 338 362) no Hoare annotation was computed. [2019-10-13 23:14:14,841 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 314 369) no Hoare annotation was computed. [2019-10-13 23:14:14,841 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 314 369) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 370 429) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 406) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 370 429) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point L396-2(lines 396 421) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 370 429) no Hoare annotation was computed. [2019-10-13 23:14:14,842 INFO L443 ceAbstractionStarter]: For program point L422(lines 395 423) no Hoare annotation was computed. [2019-10-13 23:14:14,843 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2019-10-13 23:14:14,843 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2019-10-13 23:14:14,843 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-13 23:14:14,843 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2019-10-13 23:14:14,843 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 845 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,843 INFO L439 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:14,843 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2019-10-13 23:14:14,844 INFO L439 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:14,844 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 862) no Hoare annotation was computed. [2019-10-13 23:14:14,844 INFO L443 ceAbstractionStarter]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2019-10-13 23:14:14,844 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-13 23:14:14,844 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,845 INFO L439 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,845 INFO L439 ceAbstractionStarter]: At program point L851-1(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,845 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 804 827) no Hoare annotation was computed. [2019-10-13 23:14:14,845 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 804 827) no Hoare annotation was computed. [2019-10-13 23:14:14,845 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 804 827) no Hoare annotation was computed. [2019-10-13 23:14:14,845 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-13 23:14:14,845 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-13 23:14:14,846 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 23:14:14,846 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-13 23:14:14,846 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-13 23:14:14,846 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-13 23:14:14,846 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-13 23:14:14,846 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-13 23:14:14,846 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-13 23:14:14,847 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-13 23:14:14,847 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-13 23:14:14,847 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-13 23:14:14,847 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 23:14:14,847 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-13 23:14:14,847 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2019-10-13 23:14:14,848 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:14:14,848 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:14,848 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-10-13 23:14:14,848 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2019-10-13 23:14:14,848 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2019-10-13 23:14:14,848 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-13 23:14:14,848 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-10-13 23:14:14,849 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2019-10-13 23:14:14,849 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2019-10-13 23:14:14,849 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2019-10-13 23:14:14,849 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2019-10-13 23:14:14,849 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 268 313) no Hoare annotation was computed. [2019-10-13 23:14:14,849 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 268 313) no Hoare annotation was computed. [2019-10-13 23:14:14,849 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 581 626) no Hoare annotation was computed. [2019-10-13 23:14:14,849 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 581 626) no Hoare annotation was computed. [2019-10-13 23:14:14,850 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 835 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,850 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2019-10-13 23:14:14,850 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2019-10-13 23:14:14,850 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 182 192) no Hoare annotation was computed. [2019-10-13 23:14:14,850 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 23:14:14,850 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2019-10-13 23:14:14,850 INFO L443 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2019-10-13 23:14:14,851 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2019-10-13 23:14:14,851 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2019-10-13 23:14:14,851 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2019-10-13 23:14:14,851 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2019-10-13 23:14:14,851 INFO L439 ceAbstractionStarter]: At program point L97(line 97) 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))) [2019-10-13 23:14:14,851 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,851 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2019-10-13 23:14:14,852 INFO L439 ceAbstractionStarter]: At program point L87(line 87) 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))) [2019-10-13 23:14:14,852 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2019-10-13 23:14:14,852 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2019-10-13 23:14:14,852 INFO L443 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2019-10-13 23:14:14,852 INFO L439 ceAbstractionStarter]: At program point L112(lines 65 114) 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))) [2019-10-13 23:14:14,852 INFO L439 ceAbstractionStarter]: At program point L77(line 77) 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))) [2019-10-13 23:14:14,852 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 23:14:14,853 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 23:14:14,853 INFO L439 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:14,853 INFO L439 ceAbstractionStarter]: At program point L105(line 105) 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))) [2019-10-13 23:14:14,853 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-10-13 23:14:14,853 INFO L439 ceAbstractionStarter]: At program point L103-1(lines 95 110) 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))) [2019-10-13 23:14:14,854 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2019-10-13 23:14:14,854 INFO L443 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2019-10-13 23:14:14,854 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 535 580) no Hoare annotation was computed. [2019-10-13 23:14:14,854 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 535 580) no Hoare annotation was computed. [2019-10-13 23:14:14,854 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2019-10-13 23:14:14,854 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2019-10-13 23:14:14,854 INFO L443 ceAbstractionStarter]: For program point L481-2(lines 481 501) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 432 534) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point L502(lines 480 503) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point L461(lines 461 477) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 432 534) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point L482(lines 481 501) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point L513(line 513) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point L513-1(line 513) no Hoare annotation was computed. [2019-10-13 23:14:14,855 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 519) no Hoare annotation was computed. [2019-10-13 23:14:14,856 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 432 534) no Hoare annotation was computed. [2019-10-13 23:14:14,856 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 23:14:14,856 INFO L443 ceAbstractionStarter]: For program point L497-1(line 497) no Hoare annotation was computed. [2019-10-13 23:14:14,856 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-10-13 23:14:14,856 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 713 722) no Hoare annotation was computed. [2019-10-13 23:14:14,856 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 713 722) no Hoare annotation was computed. [2019-10-13 23:14:14,856 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:14,857 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,857 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2019-10-13 23:14:14,857 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 166 173) no Hoare annotation was computed. [2019-10-13 23:14:14,857 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 699 707) no Hoare annotation was computed. [2019-10-13 23:14:14,857 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2019-10-13 23:14:14,857 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: true [2019-10-13 23:14:14,857 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2019-10-13 23:14:14,858 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,858 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,858 INFO L439 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:14:14,858 INFO L446 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: true [2019-10-13 23:14:14,858 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: true [2019-10-13 23:14:14,858 INFO L439 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:14,858 INFO L443 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2019-10-13 23:14:14,858 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2019-10-13 23:14:14,859 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2019-10-13 23:14:14,859 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2019-10-13 23:14:14,859 INFO L446 ceAbstractionStarter]: At program point L799(lines 774 803) the Hoare annotation is: true [2019-10-13 23:14:14,859 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2019-10-13 23:14:14,859 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-13 23:14:14,859 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 792) no Hoare annotation was computed. [2019-10-13 23:14:14,859 INFO L446 ceAbstractionStarter]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2019-10-13 23:14:14,859 INFO L446 ceAbstractionStarter]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2019-10-13 23:14:14,860 INFO L446 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2019-10-13 23:14:14,860 INFO L443 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-10-13 23:14:14,860 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2019-10-13 23:14:14,860 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2019-10-13 23:14:14,860 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2019-10-13 23:14:14,860 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2019-10-13 23:14:14,860 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2019-10-13 23:14:14,860 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2019-10-13 23:14:14,861 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,861 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:14,861 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:14,861 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:14,861 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2019-10-13 23:14:14,861 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: true [2019-10-13 23:14:14,861 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2019-10-13 23:14:14,862 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: true [2019-10-13 23:14:14,862 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:14:14,862 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:14:14,862 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:14:14,862 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2019-10-13 23:14:14,862 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:14,862 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2019-10-13 23:14:14,862 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 765) no Hoare annotation was computed. [2019-10-13 23:14:14,863 INFO L439 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:14,863 INFO L443 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2019-10-13 23:14:14,863 INFO L443 ceAbstractionStarter]: For program point L755(lines 755 768) no Hoare annotation was computed. [2019-10-13 23:14:14,863 INFO L443 ceAbstractionStarter]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2019-10-13 23:14:14,863 INFO L446 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2019-10-13 23:14:14,863 INFO L443 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2019-10-13 23:14:14,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:14 BoogieIcfgContainer [2019-10-13 23:14:14,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:14,881 INFO L168 Benchmark]: Toolchain (without parser) took 5304.74 ms. Allocated memory was 138.4 MB in the beginning and 246.4 MB in the end (delta: 108.0 MB). Free memory was 101.3 MB in the beginning and 138.9 MB in the end (delta: -37.7 MB). Peak memory consumption was 121.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,882 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.68 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 170.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,884 INFO L168 Benchmark]: Boogie Preprocessor took 85.27 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,885 INFO L168 Benchmark]: RCFGBuilder took 1629.35 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 158.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,886 INFO L168 Benchmark]: TraceAbstraction took 2946.31 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 156.6 MB in the beginning and 138.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:14,891 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.68 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 170.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.27 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1629.35 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 158.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2946.31 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 156.6 MB in the beginning and 138.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 79.2 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: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 160 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 441 SDtfs, 209 SDslu, 863 SDs, 0 SdLazy, 243 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred 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, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 302 PreInvPairs, 342 NumberOfFragments, 395 HoareAnnotationTreeSize, 302 FomulaSimplifications, 356 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1201 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 20208 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...