/usr/bin/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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:32:35,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:32:35,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:32:35,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:32:35,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:32:35,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:32:35,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:32:35,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:32:35,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:32:35,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:32:35,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:32:35,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:32:35,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:32:35,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:32:35,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:32:35,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:32:35,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:32:35,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:32:36,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:32:36,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:32:36,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:32:36,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:32:36,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:32:36,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:32:36,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:32:36,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:32:36,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:32:36,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:32:36,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:32:36,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:32:36,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:32:36,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:32:36,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:32:36,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:32:36,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:32:36,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:32:36,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:32:36,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:32:36,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:32:36,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:32:36,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:32:36,043 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 [2019-11-07 04:32:36,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:32:36,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:32:36,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:32:36,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:32:36,071 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:32:36,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:32:36,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:32:36,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:32:36,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:32:36,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:32:36,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:32:36,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:32:36,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:32:36,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:32:36,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:32:36,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:32:36,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:32:36,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:32:36,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:32:36,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:32:36,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:32:36,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:32:36,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:32:36,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:32:36,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:32:36,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:32:36,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:32:36,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:32:36,078 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 [2019-11-07 04:32:36,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:32:36,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:32:36,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:32:36,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:32:36,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:32:36,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-11-07 04:32:36,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe0990a1/8f59a49c527246dab819df656f857430/FLAG28caab2e1 [2019-11-07 04:32:37,126 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:32:37,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-11-07 04:32:37,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe0990a1/8f59a49c527246dab819df656f857430/FLAG28caab2e1 [2019-11-07 04:32:37,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe0990a1/8f59a49c527246dab819df656f857430 [2019-11-07 04:32:37,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:32:37,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:32:37,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:37,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:32:37,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:32:37,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:37" (1/1) ... [2019-11-07 04:32:37,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16372189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:37, skipping insertion in model container [2019-11-07 04:32:37,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:32:37" (1/1) ... [2019-11-07 04:32:37,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:32:37,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:32:37,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:37,936 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:32:38,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:32:38,105 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:32:38,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38 WrapperNode [2019-11-07 04:32:38,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:32:38,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:32:38,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:32:38,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:32:38,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (1/1) ... [2019-11-07 04:32:38,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (1/1) ... [2019-11-07 04:32:38,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (1/1) ... [2019-11-07 04:32:38,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (1/1) ... [2019-11-07 04:32:38,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (1/1) ... [2019-11-07 04:32:38,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (1/1) ... [2019-11-07 04:32:38,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (1/1) ... [2019-11-07 04:32:38,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:32:38,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:32:38,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:32:38,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:32:38,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (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 [2019-11-07 04:32:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:32:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:32:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:32:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:32:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:32:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:32:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:32:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:32:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:32:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:32:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:32:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:32:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:32:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:32:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:32:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 04:32:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:32:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:32:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:32:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:32:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:32:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:32:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:32:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:32:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:32:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:32:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:32:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:32:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:32:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:32:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:32:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:32:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:32:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:32:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:32:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:32:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:32:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:32:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:32:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:32:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:32:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:32:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:32:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:32:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:32:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:32:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:32:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:32:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:32:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:32:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:32:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:32:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:32:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 04:32:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:32:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:32:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:32:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:32:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:32:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:32:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:32:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:32:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:32:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:32:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:32:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:32:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 04:32:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:32:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:32:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:32:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:32:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:32:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:32:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:32:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:32:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:32:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:32:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:32:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:32:39,745 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:32:39,746 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:32:39,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:39 BoogieIcfgContainer [2019-11-07 04:32:39,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:32:39,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:32:39,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:32:39,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:32:39,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:32:37" (1/3) ... [2019-11-07 04:32:39,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b2c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:39, skipping insertion in model container [2019-11-07 04:32:39,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:32:38" (2/3) ... [2019-11-07 04:32:39,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b2c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:32:39, skipping insertion in model container [2019-11-07 04:32:39,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:32:39" (3/3) ... [2019-11-07 04:32:39,756 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-11-07 04:32:39,767 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:32:39,778 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:32:39,790 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:32:39,817 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:32:39,817 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:32:39,817 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:32:39,817 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:32:39,817 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:32:39,818 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:32:39,818 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:32:39,818 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:32:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-11-07 04:32:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:32:39,849 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:39,850 INFO L410 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] [2019-11-07 04:32:39,852 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:39,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:39,858 INFO L82 PathProgramCache]: Analyzing trace with hash -457429489, now seen corresponding path program 1 times [2019-11-07 04:32:39,868 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:39,868 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692180726] [2019-11-07 04:32:39,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:40,235 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692180726] [2019-11-07 04:32:40,236 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:40,236 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:32:40,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287182686] [2019-11-07 04:32:40,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:32:40,245 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:40,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:32:40,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:32:40,260 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2019-11-07 04:32:40,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:40,310 INFO L93 Difference]: Finished difference Result 139 states and 168 transitions. [2019-11-07 04:32:40,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:32:40,312 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:32:40,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:40,333 INFO L225 Difference]: With dead ends: 139 [2019-11-07 04:32:40,334 INFO L226 Difference]: Without dead ends: 70 [2019-11-07 04:32:40,346 INFO L630 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 [2019-11-07 04:32:40,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-07 04:32:40,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-07 04:32:40,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-07 04:32:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2019-11-07 04:32:40,404 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 42 [2019-11-07 04:32:40,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:40,404 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2019-11-07 04:32:40,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:32:40,405 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2019-11-07 04:32:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:32:40,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:40,408 INFO L410 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] [2019-11-07 04:32:40,408 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:40,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:40,409 INFO L82 PathProgramCache]: Analyzing trace with hash -621979717, now seen corresponding path program 1 times [2019-11-07 04:32:40,409 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:40,409 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926016249] [2019-11-07 04:32:40,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:40,539 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926016249] [2019-11-07 04:32:40,540 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:40,540 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:32:40,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741322889] [2019-11-07 04:32:40,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:32:40,544 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:40,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:32:40,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:40,545 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 3 states. [2019-11-07 04:32:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:40,583 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2019-11-07 04:32:40,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:32:40,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:32:40,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:40,588 INFO L225 Difference]: With dead ends: 97 [2019-11-07 04:32:40,588 INFO L226 Difference]: Without dead ends: 62 [2019-11-07 04:32:40,590 INFO L630 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 [2019-11-07 04:32:40,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-07 04:32:40,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-11-07 04:32:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-07 04:32:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2019-11-07 04:32:40,612 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 43 [2019-11-07 04:32:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:40,613 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2019-11-07 04:32:40,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:32:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2019-11-07 04:32:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-07 04:32:40,617 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:40,617 INFO L410 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] [2019-11-07 04:32:40,618 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:40,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:40,618 INFO L82 PathProgramCache]: Analyzing trace with hash 685687177, now seen corresponding path program 1 times [2019-11-07 04:32:40,619 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:40,619 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292141693] [2019-11-07 04:32:40,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:40,825 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292141693] [2019-11-07 04:32:40,825 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:40,826 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:32:40,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680377173] [2019-11-07 04:32:40,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:32:40,827 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:40,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:32:40,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:32:40,828 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 7 states. [2019-11-07 04:32:41,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:41,124 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2019-11-07 04:32:41,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:32:41,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-11-07 04:32:41,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:41,126 INFO L225 Difference]: With dead ends: 102 [2019-11-07 04:32:41,126 INFO L226 Difference]: Without dead ends: 62 [2019-11-07 04:32:41,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-07 04:32:41,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-11-07 04:32:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-07 04:32:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-11-07 04:32:41,142 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 45 [2019-11-07 04:32:41,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:41,143 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-11-07 04:32:41,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:32:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-11-07 04:32:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-07 04:32:41,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:41,146 INFO L410 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] [2019-11-07 04:32:41,146 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:41,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:41,149 INFO L82 PathProgramCache]: Analyzing trace with hash 919433105, now seen corresponding path program 1 times [2019-11-07 04:32:41,149 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:41,149 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747384495] [2019-11-07 04:32:41,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:41,294 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747384495] [2019-11-07 04:32:41,294 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:41,295 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:32:41,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514218146] [2019-11-07 04:32:41,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:32:41,296 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:41,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:32:41,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:32:41,296 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 10 states. [2019-11-07 04:32:41,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:41,665 INFO L93 Difference]: Finished difference Result 165 states and 190 transitions. [2019-11-07 04:32:41,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:32:41,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2019-11-07 04:32:41,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:41,671 INFO L225 Difference]: With dead ends: 165 [2019-11-07 04:32:41,671 INFO L226 Difference]: Without dead ends: 125 [2019-11-07 04:32:41,672 INFO L630 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 [2019-11-07 04:32:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-07 04:32:41,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117. [2019-11-07 04:32:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-07 04:32:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 129 transitions. [2019-11-07 04:32:41,717 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 129 transitions. Word has length 48 [2019-11-07 04:32:41,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:41,717 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 129 transitions. [2019-11-07 04:32:41,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:32:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2019-11-07 04:32:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 04:32:41,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:41,721 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:32:41,722 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:41,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:41,722 INFO L82 PathProgramCache]: Analyzing trace with hash -873277301, now seen corresponding path program 1 times [2019-11-07 04:32:41,722 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:41,723 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091421626] [2019-11-07 04:32:41,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:32:41,812 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091421626] [2019-11-07 04:32:41,813 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:41,813 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:32:41,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831889443] [2019-11-07 04:32:41,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:32:41,814 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:41,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:32:41,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:32:41,815 INFO L87 Difference]: Start difference. First operand 117 states and 129 transitions. Second operand 3 states. [2019-11-07 04:32:41,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:41,832 INFO L93 Difference]: Finished difference Result 154 states and 171 transitions. [2019-11-07 04:32:41,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:32:41,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-11-07 04:32:41,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:41,836 INFO L225 Difference]: With dead ends: 154 [2019-11-07 04:32:41,836 INFO L226 Difference]: Without dead ends: 114 [2019-11-07 04:32:41,840 INFO L630 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 [2019-11-07 04:32:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-07 04:32:41,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-07 04:32:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-07 04:32:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2019-11-07 04:32:41,876 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 51 [2019-11-07 04:32:41,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:41,876 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2019-11-07 04:32:41,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:32:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2019-11-07 04:32:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 04:32:41,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:32:41,882 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 04:32:41,882 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:32:41,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:32:41,883 INFO L82 PathProgramCache]: Analyzing trace with hash 39367532, now seen corresponding path program 1 times [2019-11-07 04:32:41,883 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:32:41,883 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968609879] [2019-11-07 04:32:41,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:32:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:32:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:32:42,035 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968609879] [2019-11-07 04:32:42,036 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:32:42,036 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:32:42,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681359760] [2019-11-07 04:32:42,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:32:42,038 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:32:42,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:32:42,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:32:42,039 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 6 states. [2019-11-07 04:32:42,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:32:42,197 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2019-11-07 04:32:42,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:32:42,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-11-07 04:32:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:32:42,198 INFO L225 Difference]: With dead ends: 116 [2019-11-07 04:32:42,199 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:32:42,199 INFO L630 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 [2019-11-07 04:32:42,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:32:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:32:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:32:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:32:42,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2019-11-07 04:32:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:32:42,201 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:32:42,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:32:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:32:42,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:32:42,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:32:42,933 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-07 04:32:42,933 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-11-07 04:32:42,933 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-11-07 04:32:42,934 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-11-07 04:32:42,934 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-11-07 04:32:42,934 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-07 04:32:42,934 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-11-07 04:32:42,934 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-11-07 04:32:42,935 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-07 04:32:42,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-11-07 04:32:42,935 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-11-07 04:32:42,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-11-07 04:32:42,936 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-11-07 04:32:42,936 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2019-11-07 04:32:42,936 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2019-11-07 04:32:42,936 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2019-11-07 04:32:42,937 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2019-11-07 04:32:42,937 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2019-11-07 04:32:42,937 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2019-11-07 04:32:42,937 INFO L439 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:42,938 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-07 04:32:42,938 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:32:42,938 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-11-07 04:32:42,938 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-11-07 04:32:42,939 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2019-11-07 04:32:42,939 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-11-07 04:32:42,939 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-11-07 04:32:42,939 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,940 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2019-11-07 04:32:42,941 INFO L439 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,942 INFO L439 ceAbstractionStarter]: At program point L845-1(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,942 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-11-07 04:32:42,943 INFO L443 ceAbstractionStarter]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2019-11-07 04:32:42,943 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-11-07 04:32:42,943 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,944 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,944 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,944 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-11-07 04:32:42,945 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-11-07 04:32:42,945 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 792 815) no Hoare annotation was computed. [2019-11-07 04:32:42,945 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-11-07 04:32:42,945 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-11-07 04:32:42,945 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-11-07 04:32:42,945 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 792 815) no Hoare annotation was computed. [2019-11-07 04:32:42,945 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 792 815) no Hoare annotation was computed. [2019-11-07 04:32:42,947 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-11-07 04:32:42,947 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-11-07 04:32:42,947 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-11-07 04:32:42,947 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-11-07 04:32:42,947 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-11-07 04:32:42,948 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-11-07 04:32:42,948 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-11-07 04:32:42,948 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-11-07 04:32:42,948 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-11-07 04:32:42,948 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2019-11-07 04:32:42,948 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2019-11-07 04:32:42,949 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2019-11-07 04:32:42,949 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2019-11-07 04:32:42,949 INFO L443 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2019-11-07 04:32:42,949 INFO L443 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2019-11-07 04:32:42,949 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 686 721) no Hoare annotation was computed. [2019-11-07 04:32:42,950 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 686 721) no Hoare annotation was computed. [2019-11-07 04:32:42,950 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2019-11-07 04:32:42,950 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2019-11-07 04:32:42,950 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-11-07 04:32:42,950 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-11-07 04:32:42,950 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-11-07 04:32:42,958 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-11-07 04:32:42,958 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,958 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2019-11-07 04:32:42,958 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 666 676) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L443 ceAbstractionStarter]: For program point L671(line 671) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L443 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 666 676) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 658 665) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 658 665) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2019-11-07 04:32:42,959 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2019-11-07 04:32:42,960 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,960 INFO L439 ceAbstractionStarter]: At program point L576-2(lines 570 581) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:32:42,960 INFO L443 ceAbstractionStarter]: For program point L541(lines 540 585) no Hoare annotation was computed. [2019-11-07 04:32:42,960 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2019-11-07 04:32:42,960 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:32:42,961 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-11-07 04:32:42,961 INFO L443 ceAbstractionStarter]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2019-11-07 04:32:42,961 INFO L439 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:32:42,961 INFO L439 ceAbstractionStarter]: At program point L583(lines 540 585) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:32:42,961 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-11-07 04:32:42,962 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2019-11-07 04:32:42,962 INFO L439 ceAbstractionStarter]: At program point L586(lines 539 587) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,962 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2019-11-07 04:32:42,962 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-11-07 04:32:42,962 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-11-07 04:32:42,963 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 495 517) no Hoare annotation was computed. [2019-11-07 04:32:42,963 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 495 517) no Hoare annotation was computed. [2019-11-07 04:32:42,963 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-11-07 04:32:42,963 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-11-07 04:32:42,963 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-07 04:32:42,964 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-11-07 04:32:42,964 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-07 04:32:42,964 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-11-07 04:32:42,964 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-11-07 04:32:42,964 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-11-07 04:32:42,965 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-11-07 04:32:42,965 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-11-07 04:32:42,965 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-11-07 04:32:42,965 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-11-07 04:32:42,965 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-11-07 04:32:42,965 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 727 736) no Hoare annotation was computed. [2019-11-07 04:32:42,966 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 727 736) no Hoare annotation was computed. [2019-11-07 04:32:42,966 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:42,966 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:42,966 INFO L443 ceAbstractionStarter]: For program point L652(line 652) no Hoare annotation was computed. [2019-11-07 04:32:42,966 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 641 657) no Hoare annotation was computed. [2019-11-07 04:32:42,967 INFO L443 ceAbstractionStarter]: For program point L652-1(lines 641 657) no Hoare annotation was computed. [2019-11-07 04:32:42,967 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 641 657) no Hoare annotation was computed. [2019-11-07 04:32:42,967 INFO L443 ceAbstractionStarter]: For program point L648(lines 648 654) no Hoare annotation was computed. [2019-11-07 04:32:42,967 INFO L443 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2019-11-07 04:32:42,967 INFO L443 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2019-11-07 04:32:42,968 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2019-11-07 04:32:42,968 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2019-11-07 04:32:42,968 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:42,968 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:32:42,968 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: true [2019-11-07 04:32:42,968 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2019-11-07 04:32:42,969 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 486 494) no Hoare annotation was computed. [2019-11-07 04:32:42,969 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 486 494) no Hoare annotation was computed. [2019-11-07 04:32:42,969 INFO L439 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:32:42,969 INFO L443 ceAbstractionStarter]: For program point L605(lines 604 623) no Hoare annotation was computed. [2019-11-07 04:32:42,970 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 601 624) 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))) [2019-11-07 04:32:42,970 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2019-11-07 04:32:42,970 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2019-11-07 04:32:42,970 INFO L439 ceAbstractionStarter]: At program point L614(line 614) 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))) [2019-11-07 04:32:42,971 INFO L439 ceAbstractionStarter]: At program point L612(lines 612 618) 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))) [2019-11-07 04:32:42,971 INFO L446 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2019-11-07 04:32:42,971 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2019-11-07 04:32:42,971 INFO L443 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2019-11-07 04:32:42,971 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2019-11-07 04:32:42,972 INFO L446 ceAbstractionStarter]: At program point L787(lines 762 791) the Hoare annotation is: true [2019-11-07 04:32:42,972 INFO L443 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2019-11-07 04:32:42,972 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 780) no Hoare annotation was computed. [2019-11-07 04:32:42,972 INFO L446 ceAbstractionStarter]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2019-11-07 04:32:42,972 INFO L446 ceAbstractionStarter]: At program point L772-2(lines 772 786) the Hoare annotation is: true [2019-11-07 04:32:42,972 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2019-11-07 04:32:42,973 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2019-11-07 04:32:42,973 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2019-11-07 04:32:42,973 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2019-11-07 04:32:42,973 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:32:42,973 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 04:32:42,974 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:32:42,974 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:32:42,974 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2019-11-07 04:32:42,974 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 04:32:42,975 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-07 04:32:42,975 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2019-11-07 04:32:42,975 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2019-11-07 04:32:43,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:32:43 BoogieIcfgContainer [2019-11-07 04:32:43,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:32:43,013 INFO L168 Benchmark]: Toolchain (without parser) took 5591.47 ms. Allocated memory was 136.8 MB in the beginning and 251.1 MB in the end (delta: 114.3 MB). Free memory was 100.4 MB in the beginning and 121.5 MB in the end (delta: -21.1 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:43,016 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 04:32:43,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.64 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 166.0 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:43,025 INFO L168 Benchmark]: Boogie Preprocessor took 112.21 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:43,027 INFO L168 Benchmark]: RCFGBuilder took 1527.89 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 161.9 MB in the beginning and 150.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:43,028 INFO L168 Benchmark]: TraceAbstraction took 3259.99 ms. Allocated memory was 230.7 MB in the beginning and 251.1 MB in the end (delta: 20.4 MB). Free memory was 150.1 MB in the beginning and 121.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:32:43,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.64 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 166.0 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.21 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1527.89 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 161.9 MB in the beginning and 150.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3259.99 ms. Allocated memory was 230.7 MB in the beginning and 251.1 MB in the end (delta: 20.4 MB). Free memory was 150.1 MB in the beginning and 121.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || 0 == splverifierCounter - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 157 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 406 SDtfs, 220 SDslu, 738 SDs, 0 SdLazy, 286 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 40 LocationsWithAnnotation, 152 PreInvPairs, 170 NumberOfFragments, 387 HoareAnnotationTreeSize, 152 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 30241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 22/22 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...