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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:20:57,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:20:57,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:20:57,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:20:57,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:20:57,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:20:57,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:20:57,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:20:57,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:20:57,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:20:57,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:20:57,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:20:57,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:20:57,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:20:57,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:20:57,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:20:57,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:20:57,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:20:57,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:20:57,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:20:57,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:20:57,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:20:57,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:20:57,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:20:57,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:20:57,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:20:57,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:20:57,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:20:57,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:20:57,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:20:57,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:20:57,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:20:57,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:20:57,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:20:57,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:20:57,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:20:57,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:20:57,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:20:57,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:20:57,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:20:57,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:20:57,962 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 [2019-10-15 03:20:57,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:20:57,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:20:57,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:20:57,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:20:57,978 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:20:57,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:20:57,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:20:57,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:20:57,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:20:57,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:20:57,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:20:57,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:20:57,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:20:57,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:20:57,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:20:57,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:20:57,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:20:57,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:20:57,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:20:57,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:20:57,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:20:57,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:20:57,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:20:57,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:20:57,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:20:57,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:20:57,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:20:57,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:20:57,984 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 [2019-10-15 03:20:58,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:20:58,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:20:58,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:20:58,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:20:58,372 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:20:58,373 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-10-15 03:20:58,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d596d6ff2/2baf64b3409447fabda705ee19db2015/FLAG877868839 [2019-10-15 03:20:58,935 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:20:58,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-10-15 03:20:58,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d596d6ff2/2baf64b3409447fabda705ee19db2015/FLAG877868839 [2019-10-15 03:20:59,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d596d6ff2/2baf64b3409447fabda705ee19db2015 [2019-10-15 03:20:59,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:20:59,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:20:59,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:20:59,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:20:59,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:20:59,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:59" (1/1) ... [2019-10-15 03:20:59,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:59, skipping insertion in model container [2019-10-15 03:20:59,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:59" (1/1) ... [2019-10-15 03:20:59,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:20:59,359 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:20:59,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:20:59,934 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:21:00,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:21:00,074 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:21:00,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00 WrapperNode [2019-10-15 03:21:00,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:21:00,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:21:00,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:21:00,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:21:00,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (1/1) ... [2019-10-15 03:21:00,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (1/1) ... [2019-10-15 03:21:00,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (1/1) ... [2019-10-15 03:21:00,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (1/1) ... [2019-10-15 03:21:00,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (1/1) ... [2019-10-15 03:21:00,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (1/1) ... [2019-10-15 03:21:00,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (1/1) ... [2019-10-15 03:21:00,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:21:00,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:21:00,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:21:00,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:21:00,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (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 [2019-10-15 03:21:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:21:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:21:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:21:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:21:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:21:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:21:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:21:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:21:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:21:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:21:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:21:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:21:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 03:21:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:21:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:21:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:21:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:21:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:21:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:21:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:21:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 03:21:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:21:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:21:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:21:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:21:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:21:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:21:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:21:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 03:21:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-15 03:21:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:21:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:21:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:21:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:21:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:21:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:21:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:21:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:21:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:21:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:21:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:21:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:21:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:21:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:21:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:21:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:21:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:21:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:21:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:21:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:21:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:21:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 03:21:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:21:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:21:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:21:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:21:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-15 03:21:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:21:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:21:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:21:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:21:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 03:21:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 03:21:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:21:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:21:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:21:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:21:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:21:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:21:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:21:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:21:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:21:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:21:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:21:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:21:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:21:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:21:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:21:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:21:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:21:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:21:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:21:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:21:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:21:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:21:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:21:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:21:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:21:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:21:01,890 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:21:01,891 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:21:01,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:21:01 BoogieIcfgContainer [2019-10-15 03:21:01,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:21:01,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:21:01,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:21:01,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:21:01,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:20:59" (1/3) ... [2019-10-15 03:21:01,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bdc833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:21:01, skipping insertion in model container [2019-10-15 03:21:01,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:21:00" (2/3) ... [2019-10-15 03:21:01,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bdc833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:21:01, skipping insertion in model container [2019-10-15 03:21:01,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:21:01" (3/3) ... [2019-10-15 03:21:01,901 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2019-10-15 03:21:01,912 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:21:01,923 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:21:01,938 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:21:01,978 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:21:01,978 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:21:01,978 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:21:01,979 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:21:01,979 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:21:01,979 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:21:01,979 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:21:01,980 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:21:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-15 03:21:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:21:02,019 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:02,021 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:02,023 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:02,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:02,030 INFO L82 PathProgramCache]: Analyzing trace with hash -620633570, now seen corresponding path program 1 times [2019-10-15 03:21:02,043 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:02,044 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780793126] [2019-10-15 03:21:02,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:02,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:02,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:02,420 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780793126] [2019-10-15 03:21:02,422 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:02,422 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:21:02,423 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409121085] [2019-10-15 03:21:02,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:21:02,430 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:02,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:21:02,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:21:02,449 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-10-15 03:21:02,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:02,537 INFO L93 Difference]: Finished difference Result 249 states and 302 transitions. [2019-10-15 03:21:02,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:21:02,540 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-15 03:21:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:02,557 INFO L225 Difference]: With dead ends: 249 [2019-10-15 03:21:02,557 INFO L226 Difference]: Without dead ends: 125 [2019-10-15 03:21:02,570 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:21:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-15 03:21:02,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-15 03:21:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-15 03:21:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-10-15 03:21:02,658 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 47 [2019-10-15 03:21:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:02,659 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-10-15 03:21:02,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:21:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-10-15 03:21:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-15 03:21:02,671 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:02,671 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:02,672 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:02,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1665477013, now seen corresponding path program 1 times [2019-10-15 03:21:02,674 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:02,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422713457] [2019-10-15 03:21:02,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:02,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:02,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:02,897 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422713457] [2019-10-15 03:21:02,897 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:02,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:21:02,897 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476503607] [2019-10-15 03:21:02,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:21:02,901 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:02,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:21:02,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:21:02,902 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 3 states. [2019-10-15 03:21:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:02,932 INFO L93 Difference]: Finished difference Result 207 states and 241 transitions. [2019-10-15 03:21:02,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:21:02,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-15 03:21:02,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:02,937 INFO L225 Difference]: With dead ends: 207 [2019-10-15 03:21:02,937 INFO L226 Difference]: Without dead ends: 117 [2019-10-15 03:21:02,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:21:02,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-15 03:21:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-15 03:21:02,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-15 03:21:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2019-10-15 03:21:02,958 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 48 [2019-10-15 03:21:02,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:02,959 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2019-10-15 03:21:02,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:21:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2019-10-15 03:21:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-15 03:21:02,961 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:02,962 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:02,962 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:02,962 INFO L82 PathProgramCache]: Analyzing trace with hash 190707036, now seen corresponding path program 1 times [2019-10-15 03:21:02,963 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:02,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343455036] [2019-10-15 03:21:02,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:02,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:02,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:03,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343455036] [2019-10-15 03:21:03,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:03,154 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:21:03,154 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914043564] [2019-10-15 03:21:03,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:21:03,155 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:03,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:21:03,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:21:03,156 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 7 states. [2019-10-15 03:21:03,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:03,507 INFO L93 Difference]: Finished difference Result 212 states and 247 transitions. [2019-10-15 03:21:03,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:21:03,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-15 03:21:03,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:03,510 INFO L225 Difference]: With dead ends: 212 [2019-10-15 03:21:03,510 INFO L226 Difference]: Without dead ends: 117 [2019-10-15 03:21:03,511 INFO L600 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 [2019-10-15 03:21:03,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-15 03:21:03,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-15 03:21:03,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-15 03:21:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2019-10-15 03:21:03,525 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 50 [2019-10-15 03:21:03,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:03,525 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2019-10-15 03:21:03,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:21:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2019-10-15 03:21:03,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-15 03:21:03,527 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:03,527 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:03,528 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:03,528 INFO L82 PathProgramCache]: Analyzing trace with hash 375128989, now seen corresponding path program 1 times [2019-10-15 03:21:03,528 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:03,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119939607] [2019-10-15 03:21:03,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:03,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:03,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:21:03,618 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119939607] [2019-10-15 03:21:03,618 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:03,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:21:03,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270256397] [2019-10-15 03:21:03,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:21:03,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:03,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:21:03,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:21:03,621 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand 5 states. [2019-10-15 03:21:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:04,183 INFO L93 Difference]: Finished difference Result 312 states and 369 transitions. [2019-10-15 03:21:04,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:21:04,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-10-15 03:21:04,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:04,189 INFO L225 Difference]: With dead ends: 312 [2019-10-15 03:21:04,189 INFO L226 Difference]: Without dead ends: 217 [2019-10-15 03:21:04,191 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:21:04,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-10-15 03:21:04,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 202. [2019-10-15 03:21:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-15 03:21:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 223 transitions. [2019-10-15 03:21:04,219 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 223 transitions. Word has length 67 [2019-10-15 03:21:04,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:04,220 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 223 transitions. [2019-10-15 03:21:04,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:21:04,220 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 223 transitions. [2019-10-15 03:21:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 03:21:04,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:04,222 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:04,222 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:04,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:04,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1796486580, now seen corresponding path program 1 times [2019-10-15 03:21:04,223 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:04,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268089216] [2019-10-15 03:21:04,223 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:04,223 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:04,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:04,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268089216] [2019-10-15 03:21:04,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:04,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:21:04,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143069652] [2019-10-15 03:21:04,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:21:04,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:04,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:21:04,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:21:04,403 INFO L87 Difference]: Start difference. First operand 202 states and 223 transitions. Second operand 6 states. [2019-10-15 03:21:04,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:04,604 INFO L93 Difference]: Finished difference Result 483 states and 548 transitions. [2019-10-15 03:21:04,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:21:04,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-10-15 03:21:04,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:04,616 INFO L225 Difference]: With dead ends: 483 [2019-10-15 03:21:04,616 INFO L226 Difference]: Without dead ends: 303 [2019-10-15 03:21:04,620 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:21:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-10-15 03:21:04,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 293. [2019-10-15 03:21:04,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2019-10-15 03:21:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 326 transitions. [2019-10-15 03:21:04,665 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 326 transitions. Word has length 77 [2019-10-15 03:21:04,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:04,666 INFO L462 AbstractCegarLoop]: Abstraction has 293 states and 326 transitions. [2019-10-15 03:21:04,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:21:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 326 transitions. [2019-10-15 03:21:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-15 03:21:04,668 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:04,668 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:04,669 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:04,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:04,671 INFO L82 PathProgramCache]: Analyzing trace with hash 577831232, now seen corresponding path program 1 times [2019-10-15 03:21:04,671 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:04,671 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448702631] [2019-10-15 03:21:04,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:04,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:04,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:04,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448702631] [2019-10-15 03:21:04,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:04,857 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:21:04,857 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292059967] [2019-10-15 03:21:04,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:21:04,858 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:04,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:21:04,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:21:04,859 INFO L87 Difference]: Start difference. First operand 293 states and 326 transitions. Second operand 10 states. [2019-10-15 03:21:05,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:05,144 INFO L93 Difference]: Finished difference Result 570 states and 637 transitions. [2019-10-15 03:21:05,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 03:21:05,144 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2019-10-15 03:21:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:05,147 INFO L225 Difference]: With dead ends: 570 [2019-10-15 03:21:05,148 INFO L226 Difference]: Without dead ends: 299 [2019-10-15 03:21:05,149 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:21:05,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2019-10-15 03:21:05,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2019-10-15 03:21:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-15 03:21:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 303 transitions. [2019-10-15 03:21:05,174 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 303 transitions. Word has length 80 [2019-10-15 03:21:05,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:05,174 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 303 transitions. [2019-10-15 03:21:05,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:21:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 303 transitions. [2019-10-15 03:21:05,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-15 03:21:05,176 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:05,176 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:05,177 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:05,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:05,177 INFO L82 PathProgramCache]: Analyzing trace with hash 903352831, now seen corresponding path program 1 times [2019-10-15 03:21:05,177 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:05,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604778345] [2019-10-15 03:21:05,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:05,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:05,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:21:05,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604778345] [2019-10-15 03:21:05,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:21:05,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-15 03:21:05,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943262670] [2019-10-15 03:21:05,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-15 03:21:05,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:05,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-15 03:21:05,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-15 03:21:05,461 INFO L87 Difference]: Start difference. First operand 282 states and 303 transitions. Second operand 14 states. [2019-10-15 03:21:05,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:05,876 INFO L93 Difference]: Finished difference Result 561 states and 620 transitions. [2019-10-15 03:21:05,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:21:05,876 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2019-10-15 03:21:05,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:05,879 INFO L225 Difference]: With dead ends: 561 [2019-10-15 03:21:05,880 INFO L226 Difference]: Without dead ends: 381 [2019-10-15 03:21:05,881 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-15 03:21:05,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-10-15 03:21:05,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 350. [2019-10-15 03:21:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-10-15 03:21:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 379 transitions. [2019-10-15 03:21:05,907 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 379 transitions. Word has length 80 [2019-10-15 03:21:05,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:05,908 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 379 transitions. [2019-10-15 03:21:05,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-15 03:21:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 379 transitions. [2019-10-15 03:21:05,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-15 03:21:05,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:21:05,910 INFO L380 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:21:05,911 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:21:05,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:21:05,911 INFO L82 PathProgramCache]: Analyzing trace with hash 778200448, now seen corresponding path program 1 times [2019-10-15 03:21:05,912 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:21:05,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563494971] [2019-10-15 03:21:05,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:05,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:21:05,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:21:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 03:21:05,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563494971] [2019-10-15 03:21:05,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27132471] [2019-10-15 03:21:05,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:21:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:21:06,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-15 03:21:06,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:21:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 03:21:06,449 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:21:06,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:21:06,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:21:06,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:21:06,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:21:06,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 03:21:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 03:21:06,946 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:21:06,947 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-15 03:21:06,947 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182881902] [2019-10-15 03:21:06,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:21:06,948 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:21:06,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:21:06,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-15 03:21:06,949 INFO L87 Difference]: Start difference. First operand 350 states and 379 transitions. Second operand 9 states. [2019-10-15 03:21:07,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:21:07,375 INFO L93 Difference]: Finished difference Result 748 states and 829 transitions. [2019-10-15 03:21:07,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:21:07,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2019-10-15 03:21:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:21:07,377 INFO L225 Difference]: With dead ends: 748 [2019-10-15 03:21:07,377 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:21:07,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-15 03:21:07,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:21:07,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:21:07,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:21:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:21:07,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2019-10-15 03:21:07,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:21:07,381 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:21:07,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:21:07,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:21:07,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:21:07,586 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:21:07,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:21:08,856 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-10-15 03:21:09,179 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-15 03:21:09,328 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2019-10-15 03:21:10,409 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-10-15 03:21:10,465 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2019-10-15 03:21:10,465 INFO L443 ceAbstractionStarter]: For program point L626(lines 603 627) no Hoare annotation was computed. [2019-10-15 03:21:10,465 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 614) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point L687(lines 660 688) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2019-10-15 03:21:10,466 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-10-15 03:21:10,467 INFO L443 ceAbstractionStarter]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-10-15 03:21:10,467 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-15 03:21:10,467 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-15 03:21:10,467 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-15 03:21:10,467 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-15 03:21:10,467 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:10,467 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2019-10-15 03:21:10,468 INFO L439 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1))) [2019-10-15 03:21:10,468 INFO L439 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1))) [2019-10-15 03:21:10,468 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2019-10-15 03:21:10,468 INFO L443 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2019-10-15 03:21:10,468 INFO L443 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2019-10-15 03:21:10,468 INFO L439 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:10,469 INFO L439 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:10,469 INFO L439 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:10,469 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-15 03:21:10,469 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2019-10-15 03:21:10,469 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2019-10-15 03:21:10,469 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2019-10-15 03:21:10,469 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-15 03:21:10,469 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-15 03:21:10,469 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-15 03:21:10,470 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2019-10-15 03:21:10,471 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2019-10-15 03:21:10,471 INFO L446 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point L344-1(line 344) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 314 349) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 314 349) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-15 03:21:10,471 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-15 03:21:10,472 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2019-10-15 03:21:10,472 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2019-10-15 03:21:10,472 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2019-10-15 03:21:10,472 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2019-10-15 03:21:10,472 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:10,472 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2019-10-15 03:21:10,472 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2019-10-15 03:21:10,472 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2019-10-15 03:21:10,473 INFO L446 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2019-10-15 03:21:10,473 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2019-10-15 03:21:10,473 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-15 03:21:10,473 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-15 03:21:10,473 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2019-10-15 03:21:10,473 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2019-10-15 03:21:10,473 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2019-10-15 03:21:10,473 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2019-10-15 03:21:10,474 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2019-10-15 03:21:10,474 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,474 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:21:10,474 INFO L443 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2019-10-15 03:21:10,474 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,474 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,475 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2019-10-15 03:21:10,475 INFO L439 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,475 INFO L443 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2019-10-15 03:21:10,475 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2019-10-15 03:21:10,475 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2019-10-15 03:21:10,475 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:10,476 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2019-10-15 03:21:10,476 INFO L439 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:21:10,476 INFO L439 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:21:10,476 INFO L443 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2019-10-15 03:21:10,476 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:21:10,476 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2019-10-15 03:21:10,477 INFO L443 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2019-10-15 03:21:10,477 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (= ~pumpRunning~0 0)) .cse1) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-15 03:21:10,477 INFO L439 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:21:10,477 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2019-10-15 03:21:10,477 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2019-10-15 03:21:10,477 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2019-10-15 03:21:10,477 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 437 459) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 437 459) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2019-10-15 03:21:10,478 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 725) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point L767(lines 745 768) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 742) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point L747(lines 746 766) no Hoare annotation was computed. [2019-10-15 03:21:10,479 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-15 03:21:10,480 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-15 03:21:10,480 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 784) no Hoare annotation was computed. [2019-10-15 03:21:10,480 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-15 03:21:10,480 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:21:10,480 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2019-10-15 03:21:10,480 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1))) [2019-10-15 03:21:10,481 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2019-10-15 03:21:10,481 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2019-10-15 03:21:10,481 INFO L446 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2019-10-15 03:21:10,481 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-10-15 03:21:10,481 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2019-10-15 03:21:10,481 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-15 03:21:10,481 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: true [2019-10-15 03:21:10,481 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2019-10-15 03:21:10,482 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:21:10,482 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:21:10,482 INFO L439 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and (= ~pumpRunning~0 1) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse2 .cse3) (or .cse0 .cse2 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 03:21:10,482 INFO L439 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or (and (not (= ~waterLevel~0 2)) .cse5 .cse1) .cse6 .cse0 .cse3 (and .cse5 .cse4))) (or (not (< |old(~waterLevel~0)| 2)) .cse6 .cse2 .cse3) (or .cse6 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 03:21:10,482 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (< |old(~waterLevel~0)| 2))) (.cse1 (< ~waterLevel~0 2)) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse6 .cse1) (or .cse5 (and .cse3 (= ~pumpRunning~0 1)) .cse2) (or .cse4 .cse6 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)))))) [2019-10-15 03:21:10,483 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (< |old(~waterLevel~0)| 2)) (< ~waterLevel~0 2) .cse0) (or .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-15 03:21:10,483 INFO L443 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2019-10-15 03:21:10,483 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2019-10-15 03:21:10,483 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2019-10-15 03:21:10,483 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2019-10-15 03:21:10,483 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2019-10-15 03:21:10,483 INFO L446 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2019-10-15 03:21:10,483 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-15 03:21:10,484 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-10-15 03:21:10,484 INFO L446 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2019-10-15 03:21:10,484 INFO L446 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2019-10-15 03:21:10,484 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-10-15 03:21:10,484 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-10-15 03:21:10,484 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2019-10-15 03:21:10,484 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2019-10-15 03:21:10,484 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2019-10-15 03:21:10,484 INFO L439 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-15 03:21:10,485 INFO L443 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-10-15 03:21:10,485 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2019-10-15 03:21:10,485 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2019-10-15 03:21:10,485 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2019-10-15 03:21:10,485 INFO L446 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: true [2019-10-15 03:21:10,485 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2019-10-15 03:21:10,485 INFO L443 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2019-10-15 03:21:10,485 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2019-10-15 03:21:10,486 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-15 03:21:10,486 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-10-15 03:21:10,486 INFO L439 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-15 03:21:10,486 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0))))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (< ~waterLevel~0 2)) (or .cse0 (not (< |old(~waterLevel~0)| 3)) (< ~waterLevel~0 3)))) [2019-10-15 03:21:10,486 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2019-10-15 03:21:10,486 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-15 03:21:10,486 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2019-10-15 03:21:10,487 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:21:10,487 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 03:21:10,487 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:21:10,487 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:21:10,487 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,487 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,487 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2019-10-15 03:21:10,488 INFO L443 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2019-10-15 03:21:10,488 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:21:10,488 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (or (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) (not (= ~waterLevel~0 2))) (= ~pumpRunning~0 0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:21:10,488 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2019-10-15 03:21:10,488 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:21:10,488 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-10-15 03:21:10,488 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2019-10-15 03:21:10,489 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2019-10-15 03:21:10,489 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (< ~waterLevel~0 3)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (not (< |old(~waterLevel~0)| 2))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse3) (or .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse2)))) [2019-10-15 03:21:10,489 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 03:21:10,489 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 03:21:10,489 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 03:21:10,489 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2019-10-15 03:21:10,489 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,490 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:21:10,490 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2019-10-15 03:21:10,490 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,490 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,490 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2019-10-15 03:21:10,490 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:21:10,491 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-10-15 03:21:10,491 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2019-10-15 03:21:10,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:21:10 BoogieIcfgContainer [2019-10-15 03:21:10,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:21:10,507 INFO L168 Benchmark]: Toolchain (without parser) took 11221.56 ms. Allocated memory was 135.8 MB in the beginning and 358.1 MB in the end (delta: 222.3 MB). Free memory was 99.8 MB in the beginning and 111.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 244.1 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:10,508 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 03:21:10,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.00 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 99.6 MB in the beginning and 164.5 MB in the end (delta: -64.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:10,510 INFO L168 Benchmark]: Boogie Preprocessor took 89.85 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 160.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:10,511 INFO L168 Benchmark]: RCFGBuilder took 1726.83 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 160.1 MB in the beginning and 138.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:10,512 INFO L168 Benchmark]: TraceAbstraction took 8611.73 ms. Allocated memory was 227.0 MB in the beginning and 358.1 MB in the end (delta: 131.1 MB). Free memory was 138.5 MB in the beginning and 111.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 191.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:21:10,515 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.00 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 99.6 MB in the beginning and 164.5 MB in the end (delta: -64.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.85 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 160.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1726.83 ms. Allocated memory was 199.2 MB in the beginning and 227.0 MB in the end (delta: 27.8 MB). Free memory was 160.1 MB in the beginning and 138.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8611.73 ms. Allocated memory was 227.0 MB in the beginning and 358.1 MB in the end (delta: 131.1 MB). Free memory was 138.5 MB in the beginning and 111.8 MB in the end (delta: 26.8 MB). Peak memory consumption was 191.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (((!(waterLevel == 2) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 195 locations, 1 error locations. Result: SAFE, OverallTime: 8.5s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1164 SDtfs, 1014 SDslu, 3690 SDs, 0 SdLazy, 946 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 919 PreInvPairs, 965 NumberOfFragments, 1342 HoareAnnotationTreeSize, 919 FomulaSimplifications, 1347 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 6717 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 134202 SizeOfPredicates, 7 NumberOfNonLiveVariables, 821 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 71/77 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...