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_spec2_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:16,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:16,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:16,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:16,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:16,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:16,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:16,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:16,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:16,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:16,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:16,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:16,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:16,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:16,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:16,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:16,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:16,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:16,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:16,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:16,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:16,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:16,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:16,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:16,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:16,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:16,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:16,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:16,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:16,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:16,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:16,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:16,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:16,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:16,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:16,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:16,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:16,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:16,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:16,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:16,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:16,253 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 15:16:16,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:16,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:16,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:16,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:16,290 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:16,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:16,290 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:16,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:16,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:16,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:16,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:16,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:16,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:16,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:16,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:16,296 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:16,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:16,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:16,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:16,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:16,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:16,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:16,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:16,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:16,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:16,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:16,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:16,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:16,298 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 15:16:16,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:16,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:16,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:16,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:16,607 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:16,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2019-10-07 15:16:16,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0efa19/3db669c38fb147559ac8716a507418b9/FLAGee631355c [2019-10-07 15:16:17,226 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:17,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2019-10-07 15:16:17,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0efa19/3db669c38fb147559ac8716a507418b9/FLAGee631355c [2019-10-07 15:16:17,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f0efa19/3db669c38fb147559ac8716a507418b9 [2019-10-07 15:16:17,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:17,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:17,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:17,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:17,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:17,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:17" (1/1) ... [2019-10-07 15:16:17,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411accdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:17, skipping insertion in model container [2019-10-07 15:16:17,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:17" (1/1) ... [2019-10-07 15:16:17,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:17,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:18,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:18,088 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:18,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:18,222 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:18,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18 WrapperNode [2019-10-07 15:16:18,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:18,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:18,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:18,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:18,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (1/1) ... [2019-10-07 15:16:18,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (1/1) ... [2019-10-07 15:16:18,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (1/1) ... [2019-10-07 15:16:18,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (1/1) ... [2019-10-07 15:16:18,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (1/1) ... [2019-10-07 15:16:18,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (1/1) ... [2019-10-07 15:16:18,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (1/1) ... [2019-10-07 15:16:18,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:18,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:18,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:18,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:18,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (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 15:16:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:16:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:16:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:18,418 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:18,419 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:16:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:16:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:18,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:16:19,970 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:16:19,971 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:16:19,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:19 BoogieIcfgContainer [2019-10-07 15:16:19,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:16:19,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:16:19,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:16:19,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:16:19,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:17" (1/3) ... [2019-10-07 15:16:19,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f62849d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:19, skipping insertion in model container [2019-10-07 15:16:19,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:18" (2/3) ... [2019-10-07 15:16:19,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f62849d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:19, skipping insertion in model container [2019-10-07 15:16:19,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:19" (3/3) ... [2019-10-07 15:16:19,983 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2019-10-07 15:16:19,993 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:16:20,006 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:16:20,017 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:16:20,053 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:16:20,053 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:16:20,053 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:16:20,053 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:16:20,054 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:16:20,054 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:16:20,054 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:16:20,054 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:16:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2019-10-07 15:16:20,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:16:20,084 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:20,086 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 15:16:20,088 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:20,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:20,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1715190611, now seen corresponding path program 1 times [2019-10-07 15:16:20,104 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:20,105 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:20,105 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:20,105 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:20,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:20,477 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 15:16:20,478 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:20,478 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:20,479 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:20,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:20,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:20,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:20,500 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2019-10-07 15:16:20,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:20,550 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2019-10-07 15:16:20,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:20,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:16:20,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:20,565 INFO L225 Difference]: With dead ends: 190 [2019-10-07 15:16:20,565 INFO L226 Difference]: Without dead ends: 97 [2019-10-07 15:16:20,570 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 15:16:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-07 15:16:20,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-07 15:16:20,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-07 15:16:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2019-10-07 15:16:20,626 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 46 [2019-10-07 15:16:20,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:20,626 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2019-10-07 15:16:20,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2019-10-07 15:16:20,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:20,630 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:20,630 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:20,631 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:20,631 INFO L82 PathProgramCache]: Analyzing trace with hash 701498599, now seen corresponding path program 1 times [2019-10-07 15:16:20,632 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:20,632 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:20,632 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:20,632 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:20,766 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:20,767 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:20,767 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:20,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:20,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:20,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:20,772 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 3 states. [2019-10-07 15:16:20,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:20,799 INFO L93 Difference]: Finished difference Result 141 states and 165 transitions. [2019-10-07 15:16:20,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:20,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:16:20,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:20,803 INFO L225 Difference]: With dead ends: 141 [2019-10-07 15:16:20,803 INFO L226 Difference]: Without dead ends: 89 [2019-10-07 15:16:20,805 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 15:16:20,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-10-07 15:16:20,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-10-07 15:16:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-07 15:16:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2019-10-07 15:16:20,818 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 47 [2019-10-07 15:16:20,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:20,819 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2019-10-07 15:16:20,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:20,819 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2019-10-07 15:16:20,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:16:20,822 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:20,822 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] [2019-10-07 15:16:20,822 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:20,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:20,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1927041675, now seen corresponding path program 1 times [2019-10-07 15:16:20,823 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:20,823 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:20,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:20,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:20,966 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 15:16:20,966 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:20,967 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:20,967 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:20,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:20,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:20,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:20,969 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand 7 states. [2019-10-07 15:16:21,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:21,402 INFO L93 Difference]: Finished difference Result 262 states and 318 transitions. [2019-10-07 15:16:21,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:16:21,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:16:21,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:21,410 INFO L225 Difference]: With dead ends: 262 [2019-10-07 15:16:21,410 INFO L226 Difference]: Without dead ends: 198 [2019-10-07 15:16:21,412 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 15:16:21,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-10-07 15:16:21,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 190. [2019-10-07 15:16:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-07 15:16:21,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 230 transitions. [2019-10-07 15:16:21,455 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 230 transitions. Word has length 50 [2019-10-07 15:16:21,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:21,455 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 230 transitions. [2019-10-07 15:16:21,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:21,456 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 230 transitions. [2019-10-07 15:16:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:16:21,458 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:21,458 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:21,459 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:21,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:21,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1154137825, now seen corresponding path program 1 times [2019-10-07 15:16:21,459 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:21,460 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:21,460 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:21,460 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:21,554 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 15:16:21,555 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:21,555 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:21,555 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:21,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:21,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:21,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:21,556 INFO L87 Difference]: Start difference. First operand 190 states and 230 transitions. Second operand 6 states. [2019-10-07 15:16:21,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:21,762 INFO L93 Difference]: Finished difference Result 502 states and 627 transitions. [2019-10-07 15:16:21,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:21,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-07 15:16:21,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:21,770 INFO L225 Difference]: With dead ends: 502 [2019-10-07 15:16:21,770 INFO L226 Difference]: Without dead ends: 337 [2019-10-07 15:16:21,772 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:16:21,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-10-07 15:16:21,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 325. [2019-10-07 15:16:21,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-10-07 15:16:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 397 transitions. [2019-10-07 15:16:21,848 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 397 transitions. Word has length 55 [2019-10-07 15:16:21,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:21,849 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 397 transitions. [2019-10-07 15:16:21,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 397 transitions. [2019-10-07 15:16:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:16:21,852 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:21,852 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:21,852 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:21,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:21,853 INFO L82 PathProgramCache]: Analyzing trace with hash 134133027, now seen corresponding path program 1 times [2019-10-07 15:16:21,853 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:21,853 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:21,853 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:21,854 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:22,006 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 15:16:22,006 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:22,007 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:22,007 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:22,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:22,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:22,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:22,010 INFO L87 Difference]: Start difference. First operand 325 states and 397 transitions. Second operand 7 states. [2019-10-07 15:16:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:22,353 INFO L93 Difference]: Finished difference Result 553 states and 700 transitions. [2019-10-07 15:16:22,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:22,355 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-07 15:16:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:22,356 INFO L225 Difference]: With dead ends: 553 [2019-10-07 15:16:22,356 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:22,360 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:16:22,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:22,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-07 15:16:22,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:22,363 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:22,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:22,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:22,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:23,375 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 483) no Hoare annotation was computed. [2019-10-07 15:16:23,375 INFO L443 ceAbstractionStarter]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2019-10-07 15:16:23,376 INFO L443 ceAbstractionStarter]: For program point L495(lines 472 496) no Hoare annotation was computed. [2019-10-07 15:16:23,376 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2019-10-07 15:16:23,376 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 448 503) no Hoare annotation was computed. [2019-10-07 15:16:23,376 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2019-10-07 15:16:23,376 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2019-10-07 15:16:23,376 INFO L443 ceAbstractionStarter]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2019-10-07 15:16:23,376 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 504 563) no Hoare annotation was computed. [2019-10-07 15:16:23,377 INFO L443 ceAbstractionStarter]: For program point L556(lines 529 557) no Hoare annotation was computed. [2019-10-07 15:16:23,377 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2019-10-07 15:16:23,377 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-10-07 15:16:23,377 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-10-07 15:16:23,377 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 370 376) the Hoare annotation is: true [2019-10-07 15:16:23,378 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 370 376) no Hoare annotation was computed. [2019-10-07 15:16:23,378 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 377 385) no Hoare annotation was computed. [2019-10-07 15:16:23,378 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 377 385) the Hoare annotation is: true [2019-10-07 15:16:23,378 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,378 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2019-10-07 15:16:23,379 INFO L439 ceAbstractionStarter]: At program point L848(line 848) 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))) [2019-10-07 15:16:23,379 INFO L439 ceAbstractionStarter]: At program point L848-1(line 848) 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))) [2019-10-07 15:16:23,379 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-10-07 15:16:23,379 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2019-10-07 15:16:23,379 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-07 15:16:23,380 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,380 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,380 INFO L439 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,380 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-07 15:16:23,380 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-07 15:16:23,380 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2019-10-07 15:16:23,381 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-07 15:16:23,381 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-07 15:16:23,381 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2019-10-07 15:16:23,381 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2019-10-07 15:16:23,381 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-07 15:16:23,381 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-07 15:16:23,381 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-07 15:16:23,382 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-07 15:16:23,382 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-07 15:16:23,382 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-07 15:16:23,382 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-07 15:16:23,382 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-07 15:16:23,382 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-07 15:16:23,382 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-07 15:16:23,383 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 265 279) no Hoare annotation was computed. [2019-10-07 15:16:23,383 INFO L439 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:16:23,383 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-10-07 15:16:23,383 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 265 279) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:16:23,383 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 220 228) no Hoare annotation was computed. [2019-10-07 15:16:23,383 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 220 228) the Hoare annotation is: true [2019-10-07 15:16:23,384 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 229 264) no Hoare annotation was computed. [2019-10-07 15:16:23,384 INFO L443 ceAbstractionStarter]: For program point L259(line 259) no Hoare annotation was computed. [2019-10-07 15:16:23,384 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 229 264) no Hoare annotation was computed. [2019-10-07 15:16:23,384 INFO L443 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2019-10-07 15:16:23,384 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 363 369) no Hoare annotation was computed. [2019-10-07 15:16:23,384 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 363 369) the Hoare annotation is: true [2019-10-07 15:16:23,384 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 402 447) no Hoare annotation was computed. [2019-10-07 15:16:23,385 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2019-10-07 15:16:23,385 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 715 760) no Hoare annotation was computed. [2019-10-07 15:16:23,385 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2019-10-07 15:16:23,385 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 825 835) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,385 INFO L439 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,385 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 825 835) no Hoare annotation was computed. [2019-10-07 15:16:23,385 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 825 835) no Hoare annotation was computed. [2019-10-07 15:16:23,386 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 209 219) the Hoare annotation is: true [2019-10-07 15:16:23,386 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 209 219) no Hoare annotation was computed. [2019-10-07 15:16:23,386 INFO L446 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: true [2019-10-07 15:16:23,386 INFO L443 ceAbstractionStarter]: For program point L214-1(line 214) no Hoare annotation was computed. [2019-10-07 15:16:23,386 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2019-10-07 15:16:23,386 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2019-10-07 15:16:23,387 INFO L439 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:23,387 INFO L443 ceAbstractionStarter]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2019-10-07 15:16:23,387 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 168 192) no Hoare annotation was computed. [2019-10-07 15:16:23,387 INFO L439 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:23,387 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 168 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:23,387 INFO L439 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:23,388 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 184) no Hoare annotation was computed. [2019-10-07 15:16:23,388 INFO L439 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:16:23,388 INFO L443 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2019-10-07 15:16:23,388 INFO L443 ceAbstractionStarter]: For program point L172(lines 172 189) no Hoare annotation was computed. [2019-10-07 15:16:23,388 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2019-10-07 15:16:23,388 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2019-10-07 15:16:23,388 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,389 INFO L439 ceAbstractionStarter]: At program point L314(line 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,389 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 318) no Hoare annotation was computed. [2019-10-07 15:16:23,389 INFO L443 ceAbstractionStarter]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2019-10-07 15:16:23,389 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2019-10-07 15:16:23,389 INFO L439 ceAbstractionStarter]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,389 INFO L439 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,390 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 308) no Hoare annotation was computed. [2019-10-07 15:16:23,390 INFO L443 ceAbstractionStarter]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2019-10-07 15:16:23,390 INFO L439 ceAbstractionStarter]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,390 INFO L439 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,390 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2019-10-07 15:16:23,391 INFO L439 ceAbstractionStarter]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:23,391 INFO L443 ceAbstractionStarter]: For program point L293(lines 292 339) no Hoare annotation was computed. [2019-10-07 15:16:23,391 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2019-10-07 15:16:23,391 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 335) no Hoare annotation was computed. [2019-10-07 15:16:23,391 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 669 714) no Hoare annotation was computed. [2019-10-07 15:16:23,391 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2019-10-07 15:16:23,392 INFO L439 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:16:23,392 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 888) no Hoare annotation was computed. [2019-10-07 15:16:23,392 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 891) no Hoare annotation was computed. [2019-10-07 15:16:23,392 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 869 897) the Hoare annotation is: true [2019-10-07 15:16:23,392 INFO L439 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:23,392 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-10-07 15:16:23,392 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 894) no Hoare annotation was computed. [2019-10-07 15:16:23,393 INFO L443 ceAbstractionStarter]: For program point L877-1(lines 869 897) no Hoare annotation was computed. [2019-10-07 15:16:23,393 INFO L446 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: true [2019-10-07 15:16:23,393 INFO L443 ceAbstractionStarter]: For program point L875-1(line 875) no Hoare annotation was computed. [2019-10-07 15:16:23,393 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 869 897) no Hoare annotation was computed. [2019-10-07 15:16:23,393 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:16:23,393 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:16:23,393 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 861 868) the Hoare annotation is: true [2019-10-07 15:16:23,394 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 861 868) no Hoare annotation was computed. [2019-10-07 15:16:23,394 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 353 362) no Hoare annotation was computed. [2019-10-07 15:16:23,394 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 353 362) no Hoare annotation was computed. [2019-10-07 15:16:23,394 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 566 668) no Hoare annotation was computed. [2019-10-07 15:16:23,394 INFO L443 ceAbstractionStarter]: For program point L636(lines 614 637) no Hoare annotation was computed. [2019-10-07 15:16:23,394 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 611) no Hoare annotation was computed. [2019-10-07 15:16:23,394 INFO L443 ceAbstractionStarter]: For program point L616(lines 615 635) no Hoare annotation was computed. [2019-10-07 15:16:23,395 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-10-07 15:16:23,395 INFO L443 ceAbstractionStarter]: For program point L647-1(line 647) no Hoare annotation was computed. [2019-10-07 15:16:23,395 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2019-10-07 15:16:23,395 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 653) no Hoare annotation was computed. [2019-10-07 15:16:23,395 INFO L443 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2019-10-07 15:16:23,395 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-07 15:16:23,395 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2019-10-07 15:16:23,396 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-10-07 15:16:23,396 INFO L443 ceAbstractionStarter]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2019-10-07 15:16:23,396 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:16:23,396 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:23,396 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2019-10-07 15:16:23,396 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 193 200) no Hoare annotation was computed. [2019-10-07 15:16:23,396 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:16:23,397 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:16:23,397 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-07 15:16:23,397 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-07 15:16:23,397 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:23,397 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:23,397 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-07 15:16:23,397 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-07 15:16:23,398 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:16:23,398 INFO L439 ceAbstractionStarter]: At program point L147(lines 147 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:16:23,398 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:16:23,398 INFO L439 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:16:23,398 INFO L443 ceAbstractionStarter]: For program point L140(lines 139 158) no Hoare annotation was computed. [2019-10-07 15:16:23,398 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2019-10-07 15:16:23,398 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2019-10-07 15:16:23,398 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-10-07 15:16:23,399 INFO L443 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2019-10-07 15:16:23,399 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2019-10-07 15:16:23,399 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2019-10-07 15:16:23,399 INFO L446 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2019-10-07 15:16:23,399 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-07 15:16:23,399 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-07 15:16:23,399 INFO L446 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2019-10-07 15:16:23,399 INFO L446 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2019-10-07 15:16:23,400 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-07 15:16:23,400 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-07 15:16:23,400 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2019-10-07 15:16:23,400 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2019-10-07 15:16:23,400 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:23,400 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:23,400 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:23,401 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:23,401 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-07 15:16:23,401 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-07 15:16:23,401 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2019-10-07 15:16:23,401 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 387 394) the Hoare annotation is: true [2019-10-07 15:16:23,401 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2019-10-07 15:16:23,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:23 BoogieIcfgContainer [2019-10-07 15:16:23,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:23,439 INFO L168 Benchmark]: Toolchain (without parser) took 5905.55 ms. Allocated memory was 139.5 MB in the beginning and 285.2 MB in the end (delta: 145.8 MB). Free memory was 103.1 MB in the beginning and 185.8 MB in the end (delta: -82.8 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:23,440 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:16:23,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.60 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 171.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:23,443 INFO L168 Benchmark]: Boogie Preprocessor took 88.10 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 167.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:23,444 INFO L168 Benchmark]: RCFGBuilder took 1660.94 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 167.1 MB in the beginning and 155.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:23,447 INFO L168 Benchmark]: TraceAbstraction took 3460.15 ms. Allocated memory was 235.4 MB in the beginning and 285.2 MB in the end (delta: 49.8 MB). Free memory was 153.3 MB in the beginning and 185.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:23,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.60 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 171.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.10 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 167.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1660.94 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 167.1 MB in the beginning and 155.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3460.15 ms. Allocated memory was 235.4 MB in the beginning and 285.2 MB in the end (delta: 49.8 MB). Free memory was 153.3 MB in the beginning and 185.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: 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: 292]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 171 locations, 1 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 538 SDtfs, 293 SDslu, 1015 SDs, 0 SdLazy, 383 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=325occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 432 PreInvPairs, 474 NumberOfFragments, 491 HoareAnnotationTreeSize, 432 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1791 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 23658 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...