java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:46,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:46,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:46,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:46,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:46,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:46,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:46,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:46,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:46,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:46,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:46,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:46,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:46,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:46,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:46,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:46,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:46,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:46,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:46,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:46,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:46,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:46,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:46,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:46,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:46,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:46,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:46,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:46,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:46,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:46,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:46,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:46,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:46,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:46,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:46,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:46,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:46,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:46,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:46,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:46,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:46,397 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 15:18:46,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:46,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:46,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:46,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:46,425 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:46,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:46,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:46,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:46,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:46,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:46,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:46,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:46,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:46,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:46,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:46,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:46,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:46,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:46,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:46,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:46,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:46,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:46,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:46,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:46,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:46,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:46,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:46,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:46,432 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 15:18:46,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:46,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:46,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:46,764 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:46,765 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:46,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-10-07 15:18:46,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfad0c6fb/b85509d704f842f38d57914ff2962f5a/FLAGecbd03b2e [2019-10-07 15:18:47,386 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:47,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-10-07 15:18:47,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfad0c6fb/b85509d704f842f38d57914ff2962f5a/FLAGecbd03b2e [2019-10-07 15:18:47,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfad0c6fb/b85509d704f842f38d57914ff2962f5a [2019-10-07 15:18:47,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:47,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:47,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:47,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:47,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:47,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:47" (1/1) ... [2019-10-07 15:18:47,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c84b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:47, skipping insertion in model container [2019-10-07 15:18:47,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:47" (1/1) ... [2019-10-07 15:18:47,788 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:47,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:48,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:48,335 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:48,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:48,449 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:48,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48 WrapperNode [2019-10-07 15:18:48,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:48,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:48,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:48,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:48,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (1/1) ... [2019-10-07 15:18:48,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:48,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:48,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:48,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:48,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (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 15:18:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:18:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:18:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:18:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:18:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:50,268 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:50,269 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:50,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:50 BoogieIcfgContainer [2019-10-07 15:18:50,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:50,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:50,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:50,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:50,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:47" (1/3) ... [2019-10-07 15:18:50,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3ee9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:50, skipping insertion in model container [2019-10-07 15:18:50,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:48" (2/3) ... [2019-10-07 15:18:50,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3ee9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:50, skipping insertion in model container [2019-10-07 15:18:50,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:50" (3/3) ... [2019-10-07 15:18:50,280 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2019-10-07 15:18:50,290 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:50,299 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:50,311 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:50,345 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:50,345 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:50,346 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:50,346 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:50,346 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:50,346 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:50,347 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:50,347 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-10-07 15:18:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:18:50,388 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:50,389 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:50,391 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:50,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:50,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1094013631, now seen corresponding path program 1 times [2019-10-07 15:18:50,407 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:50,407 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:50,408 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:50,408 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:50,834 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:50,834 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:50,836 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:50,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:50,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:50,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:50,859 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-10-07 15:18:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:50,892 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2019-10-07 15:18:50,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:50,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:18:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:50,905 INFO L225 Difference]: With dead ends: 147 [2019-10-07 15:18:50,905 INFO L226 Difference]: Without dead ends: 74 [2019-10-07 15:18:50,909 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 15:18:50,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-07 15:18:50,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-07 15:18:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-07 15:18:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2019-10-07 15:18:50,978 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 42 [2019-10-07 15:18:50,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:50,979 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2019-10-07 15:18:50,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2019-10-07 15:18:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:18:50,985 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:50,986 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:50,986 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:50,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:50,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1185162926, now seen corresponding path program 1 times [2019-10-07 15:18:50,988 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:50,988 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:50,988 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:50,988 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:51,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:51,137 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,137 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:51,138 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:51,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:51,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:51,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:51,141 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand 3 states. [2019-10-07 15:18:51,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:51,169 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2019-10-07 15:18:51,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:51,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:18:51,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:51,171 INFO L225 Difference]: With dead ends: 101 [2019-10-07 15:18:51,172 INFO L226 Difference]: Without dead ends: 66 [2019-10-07 15:18:51,173 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 15:18:51,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-07 15:18:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-07 15:18:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-07 15:18:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2019-10-07 15:18:51,185 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 43 [2019-10-07 15:18:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:51,186 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2019-10-07 15:18:51,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-10-07 15:18:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:18:51,190 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:51,191 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:51,191 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:51,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:51,192 INFO L82 PathProgramCache]: Analyzing trace with hash -2039035363, now seen corresponding path program 1 times [2019-10-07 15:18:51,192 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:51,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,194 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:51,370 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,370 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:51,370 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:51,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:51,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:51,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:51,372 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 7 states. [2019-10-07 15:18:51,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:51,694 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2019-10-07 15:18:51,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:51,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:18:51,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:51,699 INFO L225 Difference]: With dead ends: 110 [2019-10-07 15:18:51,700 INFO L226 Difference]: Without dead ends: 66 [2019-10-07 15:18:51,701 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 15:18:51,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-07 15:18:51,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-10-07 15:18:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-10-07 15:18:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2019-10-07 15:18:51,719 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 46 [2019-10-07 15:18:51,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:51,720 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2019-10-07 15:18:51,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2019-10-07 15:18:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:18:51,724 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:51,724 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:51,725 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:51,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:51,725 INFO L82 PathProgramCache]: Analyzing trace with hash 768785337, now seen corresponding path program 1 times [2019-10-07 15:18:51,727 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:51,727 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,727 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,727 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:51,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:51,907 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:51,908 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:51,908 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:51,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:51,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:51,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:51,911 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand 10 states. [2019-10-07 15:18:52,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:52,383 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2019-10-07 15:18:52,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:18:52,384 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2019-10-07 15:18:52,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:52,389 INFO L225 Difference]: With dead ends: 181 [2019-10-07 15:18:52,389 INFO L226 Difference]: Without dead ends: 137 [2019-10-07 15:18:52,390 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:18:52,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-07 15:18:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2019-10-07 15:18:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-07 15:18:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2019-10-07 15:18:52,418 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 49 [2019-10-07 15:18:52,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:52,420 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2019-10-07 15:18:52,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2019-10-07 15:18:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:18:52,424 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:52,424 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:52,424 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:52,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:52,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1806761231, now seen corresponding path program 1 times [2019-10-07 15:18:52,425 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:52,425 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:52,426 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:52,426 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:52,521 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:52,523 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:52,523 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:52,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:52,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:52,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:52,531 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand 3 states. [2019-10-07 15:18:52,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:52,550 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2019-10-07 15:18:52,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:52,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-07 15:18:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:52,555 INFO L225 Difference]: With dead ends: 170 [2019-10-07 15:18:52,555 INFO L226 Difference]: Without dead ends: 126 [2019-10-07 15:18:52,558 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 15:18:52,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-07 15:18:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-07 15:18:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-07 15:18:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 136 transitions. [2019-10-07 15:18:52,587 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 136 transitions. Word has length 52 [2019-10-07 15:18:52,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:52,588 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 136 transitions. [2019-10-07 15:18:52,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2019-10-07 15:18:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-07 15:18:52,591 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:52,592 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:52,592 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1029579148, now seen corresponding path program 1 times [2019-10-07 15:18:52,593 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:52,593 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:52,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:52,594 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:52,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:18:52,737 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:52,737 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:52,738 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:52,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:52,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:52,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:52,740 INFO L87 Difference]: Start difference. First operand 126 states and 136 transitions. Second operand 6 states. [2019-10-07 15:18:52,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:52,914 INFO L93 Difference]: Finished difference Result 128 states and 138 transitions. [2019-10-07 15:18:52,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:52,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-07 15:18:52,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:52,916 INFO L225 Difference]: With dead ends: 128 [2019-10-07 15:18:52,916 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:52,917 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 15:18:52,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:52,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:52,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-07 15:18:52,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:52,919 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:52,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:52,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:52,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:53,627 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-10-07 15:18:53,628 INFO L443 ceAbstractionStarter]: For program point L466-2(lines 466 487) no Hoare annotation was computed. [2019-10-07 15:18:53,628 INFO L443 ceAbstractionStarter]: For program point L488(lines 465 489) no Hoare annotation was computed. [2019-10-07 15:18:53,628 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 441 496) no Hoare annotation was computed. [2019-10-07 15:18:53,628 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 441 496) no Hoare annotation was computed. [2019-10-07 15:18:53,628 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-07 15:18:53,629 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-10-07 15:18:53,629 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 497 556) no Hoare annotation was computed. [2019-10-07 15:18:53,629 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2019-10-07 15:18:53,629 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 497 556) no Hoare annotation was computed. [2019-10-07 15:18:53,629 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 497 556) no Hoare annotation was computed. [2019-10-07 15:18:53,629 INFO L443 ceAbstractionStarter]: For program point L523-2(lines 523 548) no Hoare annotation was computed. [2019-10-07 15:18:53,629 INFO L443 ceAbstractionStarter]: For program point L549(lines 522 550) no Hoare annotation was computed. [2019-10-07 15:18:53,630 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-07 15:18:53,630 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-07 15:18:53,630 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-07 15:18:53,630 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-07 15:18:53,630 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 363 387) the Hoare annotation is: true [2019-10-07 15:18:53,630 INFO L439 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:53,631 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 381) no Hoare annotation was computed. [2019-10-07 15:18:53,631 INFO L439 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:18:53,631 INFO L443 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-10-07 15:18:53,631 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 384) no Hoare annotation was computed. [2019-10-07 15:18:53,631 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 363 387) no Hoare annotation was computed. [2019-10-07 15:18:53,631 INFO L443 ceAbstractionStarter]: For program point L371-1(lines 363 387) no Hoare annotation was computed. [2019-10-07 15:18:53,631 INFO L446 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: true [2019-10-07 15:18:53,632 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-10-07 15:18:53,632 INFO L439 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,632 INFO L439 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,632 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,632 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2019-10-07 15:18:53,633 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0))) [2019-10-07 15:18:53,633 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~5 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0))) [2019-10-07 15:18:53,633 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-10-07 15:18:53,633 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2019-10-07 15:18:53,633 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-07 15:18:53,634 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,634 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-07 15:18:53,634 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-07 15:18:53,634 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 786 809) no Hoare annotation was computed. [2019-10-07 15:18:53,634 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-07 15:18:53,634 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-07 15:18:53,634 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-07 15:18:53,634 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 786 809) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 786 809) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-07 15:18:53,635 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-07 15:18:53,636 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-07 15:18:53,636 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-07 15:18:53,636 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 158 166) no Hoare annotation was computed. [2019-10-07 15:18:53,636 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 158 166) the Hoare annotation is: true [2019-10-07 15:18:53,636 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 167 202) no Hoare annotation was computed. [2019-10-07 15:18:53,636 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-07 15:18:53,637 INFO L443 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2019-10-07 15:18:53,637 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 167 202) no Hoare annotation was computed. [2019-10-07 15:18:53,637 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-07 15:18:53,637 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-07 15:18:53,637 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 395 440) no Hoare annotation was computed. [2019-10-07 15:18:53,637 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 395 440) no Hoare annotation was computed. [2019-10-07 15:18:53,637 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 708 753) no Hoare annotation was computed. [2019-10-07 15:18:53,638 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 708 753) no Hoare annotation was computed. [2019-10-07 15:18:53,638 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 817 826) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,638 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 817 826) no Hoare annotation was computed. [2019-10-07 15:18:53,638 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 817 826) no Hoare annotation was computed. [2019-10-07 15:18:53,638 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 147 157) no Hoare annotation was computed. [2019-10-07 15:18:53,638 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 147 157) no Hoare annotation was computed. [2019-10-07 15:18:53,639 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-10-07 15:18:53,639 INFO L443 ceAbstractionStarter]: For program point L152-1(line 152) no Hoare annotation was computed. [2019-10-07 15:18:53,639 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 139 146) no Hoare annotation was computed. [2019-10-07 15:18:53,639 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 139 146) no Hoare annotation was computed. [2019-10-07 15:18:53,639 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 124 130) no Hoare annotation was computed. [2019-10-07 15:18:53,639 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 124 130) the Hoare annotation is: true [2019-10-07 15:18:53,639 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 215 280) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,640 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 215 280) no Hoare annotation was computed. [2019-10-07 15:18:53,640 INFO L439 ceAbstractionStarter]: At program point L273(lines 224 274) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,640 INFO L439 ceAbstractionStarter]: At program point L263-2(lines 255 268) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:18:53,640 INFO L443 ceAbstractionStarter]: For program point L226(lines 225 272) no Hoare annotation was computed. [2019-10-07 15:18:53,640 INFO L439 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:18:53,640 INFO L443 ceAbstractionStarter]: For program point L255(lines 255 268) no Hoare annotation was computed. [2019-10-07 15:18:53,641 INFO L439 ceAbstractionStarter]: At program point L247(line 247) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:18:53,641 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 251) no Hoare annotation was computed. [2019-10-07 15:18:53,641 INFO L443 ceAbstractionStarter]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2019-10-07 15:18:53,641 INFO L439 ceAbstractionStarter]: At program point L270(lines 225 272) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:18:53,641 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:18:53,641 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-10-07 15:18:53,642 INFO L443 ceAbstractionStarter]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2019-10-07 15:18:53,642 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 215 280) no Hoare annotation was computed. [2019-10-07 15:18:53,642 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 662 707) no Hoare annotation was computed. [2019-10-07 15:18:53,642 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 662 707) no Hoare annotation was computed. [2019-10-07 15:18:53,642 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2019-10-07 15:18:53,642 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2019-10-07 15:18:53,642 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-07 15:18:53,643 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-07 15:18:53,643 INFO L443 ceAbstractionStarter]: For program point L609(lines 608 628) no Hoare annotation was computed. [2019-10-07 15:18:53,643 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-07 15:18:53,643 INFO L443 ceAbstractionStarter]: For program point L640-1(line 640) no Hoare annotation was computed. [2019-10-07 15:18:53,643 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 559 661) no Hoare annotation was computed. [2019-10-07 15:18:53,643 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 646) no Hoare annotation was computed. [2019-10-07 15:18:53,643 INFO L443 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L443 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 587) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 559 661) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L443 ceAbstractionStarter]: For program point L608-2(lines 608 628) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L443 ceAbstractionStarter]: For program point L629(lines 607 630) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 559 661) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 604) no Hoare annotation was computed. [2019-10-07 15:18:53,644 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:53,645 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:53,645 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 131 138) no Hoare annotation was computed. [2019-10-07 15:18:53,645 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 131 138) no Hoare annotation was computed. [2019-10-07 15:18:53,645 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 353 361) the Hoare annotation is: true [2019-10-07 15:18:53,645 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2019-10-07 15:18:53,645 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: true [2019-10-07 15:18:53,645 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2019-10-07 15:18:53,645 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:53,646 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:53,646 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 321 329) no Hoare annotation was computed. [2019-10-07 15:18:53,646 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2019-10-07 15:18:53,646 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-07 15:18:53,646 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 100 123) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-07 15:18:53,647 INFO L439 ceAbstractionStarter]: At program point L111(lines 111 117) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-07 15:18:53,647 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 100 123) no Hoare annotation was computed. [2019-10-07 15:18:53,647 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:53,647 INFO L443 ceAbstractionStarter]: For program point L104(lines 103 122) no Hoare annotation was computed. [2019-10-07 15:18:53,647 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 100 123) no Hoare annotation was computed. [2019-10-07 15:18:53,647 INFO L446 ceAbstractionStarter]: At program point L770-1(lines 770 774) the Hoare annotation is: true [2019-10-07 15:18:53,647 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 756 785) no Hoare annotation was computed. [2019-10-07 15:18:53,648 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 756 785) the Hoare annotation is: true [2019-10-07 15:18:53,648 INFO L446 ceAbstractionStarter]: At program point L766-2(lines 766 780) the Hoare annotation is: true [2019-10-07 15:18:53,648 INFO L446 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: true [2019-10-07 15:18:53,648 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-07 15:18:53,648 INFO L446 ceAbstractionStarter]: At program point L781(lines 756 785) the Hoare annotation is: true [2019-10-07 15:18:53,648 INFO L443 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2019-10-07 15:18:53,648 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2019-10-07 15:18:53,648 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2019-10-07 15:18:53,649 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2019-10-07 15:18:53,649 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 810 816) no Hoare annotation was computed. [2019-10-07 15:18:53,649 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 810 816) the Hoare annotation is: true [2019-10-07 15:18:53,649 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:53,649 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:18:53,649 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:53,649 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:53,649 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 203 210) no Hoare annotation was computed. [2019-10-07 15:18:53,650 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 203 210) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:18:53,650 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2019-10-07 15:18:53,650 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:53,650 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:18:53,650 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:18:53,650 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:18:53,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:53 BoogieIcfgContainer [2019-10-07 15:18:53,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:53,668 INFO L168 Benchmark]: Toolchain (without parser) took 5896.07 ms. Allocated memory was 144.7 MB in the beginning and 250.1 MB in the end (delta: 105.4 MB). Free memory was 99.8 MB in the beginning and 104.2 MB in the end (delta: -4.3 MB). Peak memory consumption was 101.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:53,669 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:53,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.22 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 170.9 MB in the end (delta: -71.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:53,671 INFO L168 Benchmark]: Boogie Preprocessor took 97.82 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:53,673 INFO L168 Benchmark]: RCFGBuilder took 1721.15 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 158.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:53,674 INFO L168 Benchmark]: TraceAbstraction took 3393.33 ms. Allocated memory was 233.8 MB in the beginning and 250.1 MB in the end (delta: 16.3 MB). Free memory was 158.8 MB in the beginning and 104.2 MB in the end (delta: 54.6 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:53,682 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.22 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 170.9 MB in the end (delta: -71.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.82 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1721.15 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 158.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3393.33 ms. Allocated memory was 233.8 MB in the beginning and 250.1 MB in the end (delta: 16.3 MB). Free memory was 158.8 MB in the beginning and 104.2 MB in the end (delta: 54.6 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (1 == systemActive && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 154 locations, 1 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 438 SDtfs, 219 SDslu, 805 SDs, 0 SdLazy, 305 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 160 PreInvPairs, 181 NumberOfFragments, 465 HoareAnnotationTreeSize, 160 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 714 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 31861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 23/23 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...