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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:24,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:24,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:24,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:24,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:24,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:24,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:24,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:24,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:24,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:24,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:24,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:24,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:24,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:24,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:24,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:24,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:24,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:24,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:24,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:24,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:24,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:24,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:24,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:24,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:24,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:24,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:24,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:24,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:24,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:24,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:24,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:24,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:24,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:24,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:24,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:24,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:24,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:24,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:24,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:25,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:25,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:18:25,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:25,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:25,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:25,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:25,037 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:25,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:25,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:25,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:25,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:25,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:25,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:25,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:25,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:25,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:25,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:25,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:25,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:25,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:25,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:25,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:25,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:25,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:25,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:25,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:25,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:25,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:25,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:25,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:25,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:18:25,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:25,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:25,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:25,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:25,316 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:25,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-10-07 15:18:25,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f8dc8fe/2d7e80a90ec7473fa6e998b9fa5f428f/FLAG22b0e3b3d [2019-10-07 15:18:25,891 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:25,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-10-07 15:18:25,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f8dc8fe/2d7e80a90ec7473fa6e998b9fa5f428f/FLAG22b0e3b3d [2019-10-07 15:18:26,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f8dc8fe/2d7e80a90ec7473fa6e998b9fa5f428f [2019-10-07 15:18:26,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:26,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:26,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:26,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:26,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:26,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26, skipping insertion in model container [2019-10-07 15:18:26,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,234 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:26,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:26,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:26,771 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:26,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:26,891 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:26,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26 WrapperNode [2019-10-07 15:18:26,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:26,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:26,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:26,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:26,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... [2019-10-07 15:18:26,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:26,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:26,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:26,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:26,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:18:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:18:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:18:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:18:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:18:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:18:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:28,733 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:28,733 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:28,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:28 BoogieIcfgContainer [2019-10-07 15:18:28,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:28,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:28,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:28,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:28,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:26" (1/3) ... [2019-10-07 15:18:28,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091c011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:28, skipping insertion in model container [2019-10-07 15:18:28,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:26" (2/3) ... [2019-10-07 15:18:28,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091c011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:28, skipping insertion in model container [2019-10-07 15:18:28,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:28" (3/3) ... [2019-10-07 15:18:28,743 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2019-10-07 15:18:28,753 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:28,763 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:28,775 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:28,822 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:28,822 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:28,822 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:28,822 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:28,823 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:28,823 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:28,823 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:28,823 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-10-07 15:18:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:28,871 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:28,872 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:28,875 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:28,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:28,883 INFO L82 PathProgramCache]: Analyzing trace with hash -56322852, now seen corresponding path program 1 times [2019-10-07 15:18:28,893 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:28,893 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,894 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,894 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:29,238 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,238 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:29,241 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:29,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:29,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:29,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:29,268 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2019-10-07 15:18:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:29,353 INFO L93 Difference]: Finished difference Result 239 states and 290 transitions. [2019-10-07 15:18:29,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:29,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-07 15:18:29,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:29,380 INFO L225 Difference]: With dead ends: 239 [2019-10-07 15:18:29,380 INFO L226 Difference]: Without dead ends: 120 [2019-10-07 15:18:29,392 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:29,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-07 15:18:29,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-07 15:18:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-07 15:18:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2019-10-07 15:18:29,470 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 47 [2019-10-07 15:18:29,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:29,471 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2019-10-07 15:18:29,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2019-10-07 15:18:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 15:18:29,483 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:29,483 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:29,483 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:29,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:29,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1310852606, now seen corresponding path program 1 times [2019-10-07 15:18:29,485 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:29,485 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,485 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,485 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:29,680 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,680 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:29,681 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:29,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:29,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:29,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:29,685 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 3 states. [2019-10-07 15:18:29,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:29,726 INFO L93 Difference]: Finished difference Result 193 states and 224 transitions. [2019-10-07 15:18:29,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:29,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 15:18:29,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:29,732 INFO L225 Difference]: With dead ends: 193 [2019-10-07 15:18:29,733 INFO L226 Difference]: Without dead ends: 112 [2019-10-07 15:18:29,737 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:29,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-07 15:18:29,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-07 15:18:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-07 15:18:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2019-10-07 15:18:29,754 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 48 [2019-10-07 15:18:29,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:29,755 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2019-10-07 15:18:29,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2019-10-07 15:18:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:18:29,757 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:29,757 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:29,758 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:29,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:29,758 INFO L82 PathProgramCache]: Analyzing trace with hash -437838442, now seen corresponding path program 1 times [2019-10-07 15:18:29,759 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:29,759 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,759 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,759 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:29,929 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,929 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:29,929 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:29,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:29,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:29,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:29,931 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand 7 states. [2019-10-07 15:18:30,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:30,240 INFO L93 Difference]: Finished difference Result 202 states and 235 transitions. [2019-10-07 15:18:30,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:30,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:18:30,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:30,243 INFO L225 Difference]: With dead ends: 202 [2019-10-07 15:18:30,243 INFO L226 Difference]: Without dead ends: 112 [2019-10-07 15:18:30,245 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:30,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-07 15:18:30,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-07 15:18:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-07 15:18:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2019-10-07 15:18:30,257 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 51 [2019-10-07 15:18:30,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:30,258 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2019-10-07 15:18:30,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2019-10-07 15:18:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 15:18:30,260 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:30,260 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:30,260 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:30,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:30,261 INFO L82 PathProgramCache]: Analyzing trace with hash -573308037, now seen corresponding path program 1 times [2019-10-07 15:18:30,261 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:30,261 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:30,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:30,261 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:30,390 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:30,390 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:30,390 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:30,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:30,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:30,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:30,391 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand 5 states. [2019-10-07 15:18:30,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:30,919 INFO L93 Difference]: Finished difference Result 306 states and 362 transitions. [2019-10-07 15:18:30,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:30,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-07 15:18:30,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:30,929 INFO L225 Difference]: With dead ends: 306 [2019-10-07 15:18:30,929 INFO L226 Difference]: Without dead ends: 216 [2019-10-07 15:18:30,930 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:18:30,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-10-07 15:18:30,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 199. [2019-10-07 15:18:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-07 15:18:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 222 transitions. [2019-10-07 15:18:30,956 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 222 transitions. Word has length 64 [2019-10-07 15:18:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:30,956 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 222 transitions. [2019-10-07 15:18:30,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 222 transitions. [2019-10-07 15:18:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-07 15:18:30,958 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:30,958 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:30,958 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:30,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:30,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1091576241, now seen corresponding path program 1 times [2019-10-07 15:18:30,959 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:30,959 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:30,959 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:30,959 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:31,044 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:31,045 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:31,045 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:31,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:31,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:31,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:31,048 INFO L87 Difference]: Start difference. First operand 199 states and 222 transitions. Second operand 6 states. [2019-10-07 15:18:31,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:31,239 INFO L93 Difference]: Finished difference Result 491 states and 564 transitions. [2019-10-07 15:18:31,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:31,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-10-07 15:18:31,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:31,249 INFO L225 Difference]: With dead ends: 491 [2019-10-07 15:18:31,250 INFO L226 Difference]: Without dead ends: 314 [2019-10-07 15:18:31,251 INFO L606 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 [2019-10-07 15:18:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-10-07 15:18:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 304. [2019-10-07 15:18:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-10-07 15:18:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 343 transitions. [2019-10-07 15:18:31,305 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 343 transitions. Word has length 73 [2019-10-07 15:18:31,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:31,305 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 343 transitions. [2019-10-07 15:18:31,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 343 transitions. [2019-10-07 15:18:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 15:18:31,308 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:31,308 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:31,308 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:31,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:31,309 INFO L82 PathProgramCache]: Analyzing trace with hash -475229592, now seen corresponding path program 1 times [2019-10-07 15:18:31,309 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:31,309 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:31,309 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:31,309 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:31,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:31,623 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:31,623 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:31,624 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:18:31,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:18:31,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:18:31,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:18:31,625 INFO L87 Difference]: Start difference. First operand 304 states and 343 transitions. Second operand 14 states. [2019-10-07 15:18:32,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:32,086 INFO L93 Difference]: Finished difference Result 603 states and 699 transitions. [2019-10-07 15:18:32,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:32,086 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 76 [2019-10-07 15:18:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:32,090 INFO L225 Difference]: With dead ends: 603 [2019-10-07 15:18:32,090 INFO L226 Difference]: Without dead ends: 426 [2019-10-07 15:18:32,091 INFO L606 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 [2019-10-07 15:18:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-07 15:18:32,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 406. [2019-10-07 15:18:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2019-10-07 15:18:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 465 transitions. [2019-10-07 15:18:32,122 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 465 transitions. Word has length 76 [2019-10-07 15:18:32,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:32,123 INFO L462 AbstractCegarLoop]: Abstraction has 406 states and 465 transitions. [2019-10-07 15:18:32,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:18:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 465 transitions. [2019-10-07 15:18:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-07 15:18:32,124 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:32,125 INFO L385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:32,125 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:32,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:32,125 INFO L82 PathProgramCache]: Analyzing trace with hash -556417507, now seen corresponding path program 1 times [2019-10-07 15:18:32,126 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:32,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:32,126 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:32,126 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:32,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:32,216 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:32,216 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:32,216 INFO L95 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 [2019-10-07 15:18:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:32,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-07 15:18:32,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:32,585 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:33,083 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:33,083 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-07 15:18:33,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 15:18:33,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 15:18:33,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:18:33,085 INFO L87 Difference]: Start difference. First operand 406 states and 465 transitions. Second operand 8 states. [2019-10-07 15:18:33,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:33,678 INFO L93 Difference]: Finished difference Result 1155 states and 1351 transitions. [2019-10-07 15:18:33,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:18:33,679 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2019-10-07 15:18:33,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:33,688 INFO L225 Difference]: With dead ends: 1155 [2019-10-07 15:18:33,688 INFO L226 Difference]: Without dead ends: 771 [2019-10-07 15:18:33,690 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:18:33,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2019-10-07 15:18:33,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 756. [2019-10-07 15:18:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2019-10-07 15:18:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 870 transitions. [2019-10-07 15:18:33,765 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 870 transitions. Word has length 86 [2019-10-07 15:18:33,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:33,765 INFO L462 AbstractCegarLoop]: Abstraction has 756 states and 870 transitions. [2019-10-07 15:18:33,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 15:18:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 870 transitions. [2019-10-07 15:18:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 15:18:33,776 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:33,776 INFO L385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:33,991 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:33,992 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:33,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:33,992 INFO L82 PathProgramCache]: Analyzing trace with hash 805090479, now seen corresponding path program 1 times [2019-10-07 15:18:33,992 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:33,993 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:33,993 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,993 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:34,157 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,157 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:34,158 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:18:34,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:18:34,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:18:34,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:18:34,160 INFO L87 Difference]: Start difference. First operand 756 states and 870 transitions. Second operand 12 states. [2019-10-07 15:18:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:35,584 INFO L93 Difference]: Finished difference Result 1505 states and 1767 transitions. [2019-10-07 15:18:35,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:35,586 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2019-10-07 15:18:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:35,593 INFO L225 Difference]: With dead ends: 1505 [2019-10-07 15:18:35,593 INFO L226 Difference]: Without dead ends: 1121 [2019-10-07 15:18:35,595 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:18:35,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2019-10-07 15:18:35,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1087. [2019-10-07 15:18:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1087 states. [2019-10-07 15:18:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1248 transitions. [2019-10-07 15:18:35,660 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1248 transitions. Word has length 89 [2019-10-07 15:18:35,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:35,661 INFO L462 AbstractCegarLoop]: Abstraction has 1087 states and 1248 transitions. [2019-10-07 15:18:35,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:18:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1248 transitions. [2019-10-07 15:18:35,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 15:18:35,663 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:35,663 INFO L385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:35,664 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:35,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:35,664 INFO L82 PathProgramCache]: Analyzing trace with hash 936387093, now seen corresponding path program 1 times [2019-10-07 15:18:35,665 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:35,665 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:35,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:35,665 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:18:35,757 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:35,757 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:35,757 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:35,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:35,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:35,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:35,758 INFO L87 Difference]: Start difference. First operand 1087 states and 1248 transitions. Second operand 10 states. [2019-10-07 15:18:36,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:36,044 INFO L93 Difference]: Finished difference Result 2164 states and 2487 transitions. [2019-10-07 15:18:36,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 15:18:36,045 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2019-10-07 15:18:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:36,052 INFO L225 Difference]: With dead ends: 2164 [2019-10-07 15:18:36,052 INFO L226 Difference]: Without dead ends: 1099 [2019-10-07 15:18:36,055 INFO L606 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 [2019-10-07 15:18:36,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2019-10-07 15:18:36,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1003. [2019-10-07 15:18:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2019-10-07 15:18:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1101 transitions. [2019-10-07 15:18:36,123 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1101 transitions. Word has length 89 [2019-10-07 15:18:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:36,125 INFO L462 AbstractCegarLoop]: Abstraction has 1003 states and 1101 transitions. [2019-10-07 15:18:36,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1101 transitions. [2019-10-07 15:18:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 15:18:36,129 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:36,130 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:36,130 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:36,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:36,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1000730843, now seen corresponding path program 1 times [2019-10-07 15:18:36,130 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:36,131 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,131 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,131 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:18:36,238 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,238 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:36,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 15:18:36,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 15:18:36,683 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:36,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:37,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 15:18:37,077 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:37,077 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-07 15:18:37,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:18:37,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:18:37,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:18:37,079 INFO L87 Difference]: Start difference. First operand 1003 states and 1101 transitions. Second operand 9 states. [2019-10-07 15:18:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:37,592 INFO L93 Difference]: Finished difference Result 2282 states and 2550 transitions. [2019-10-07 15:18:37,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 15:18:37,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2019-10-07 15:18:37,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:37,601 INFO L225 Difference]: With dead ends: 2282 [2019-10-07 15:18:37,601 INFO L226 Difference]: Without dead ends: 1556 [2019-10-07 15:18:37,604 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:37,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2019-10-07 15:18:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1468. [2019-10-07 15:18:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1468 states. [2019-10-07 15:18:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1610 transitions. [2019-10-07 15:18:37,689 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1610 transitions. Word has length 127 [2019-10-07 15:18:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:37,689 INFO L462 AbstractCegarLoop]: Abstraction has 1468 states and 1610 transitions. [2019-10-07 15:18:37,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:18:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1610 transitions. [2019-10-07 15:18:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 15:18:37,693 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:37,694 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:37,907 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:37,908 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:37,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:37,908 INFO L82 PathProgramCache]: Analyzing trace with hash -190814562, now seen corresponding path program 1 times [2019-10-07 15:18:37,908 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:37,909 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:37,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:37,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:18:38,141 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:38,141 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:38,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:18:38,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 15:18:38,439 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-07 15:18:38,990 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:38,990 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15, 11] total 24 [2019-10-07 15:18:38,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:18:38,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:18:38,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:18:38,992 INFO L87 Difference]: Start difference. First operand 1468 states and 1610 transitions. Second operand 11 states. [2019-10-07 15:18:39,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:39,647 INFO L93 Difference]: Finished difference Result 2997 states and 3412 transitions. [2019-10-07 15:18:39,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:39,647 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 135 [2019-10-07 15:18:39,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:39,649 INFO L225 Difference]: With dead ends: 2997 [2019-10-07 15:18:39,649 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:39,655 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2019-10-07 15:18:39,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:39,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:39,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2019-10-07 15:18:39,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:39,657 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:39,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:18:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:39,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:39,862 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:39,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:41,468 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2019-10-07 15:18:41,744 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2019-10-07 15:18:42,062 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 21 [2019-10-07 15:18:42,428 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-10-07 15:18:42,650 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 23 [2019-10-07 15:18:42,828 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-10-07 15:18:43,078 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-07 15:18:43,412 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2019-10-07 15:18:43,664 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2019-10-07 15:18:44,129 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2019-10-07 15:18:44,761 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-10-07 15:18:44,871 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-07 15:18:45,046 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-10-07 15:18:45,194 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point L193-2(lines 193 214) no Hoare annotation was computed. [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point L215(lines 192 216) no Hoare annotation was computed. [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 203) no Hoare annotation was computed. [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 168 223) no Hoare annotation was computed. [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 168 223) no Hoare annotation was computed. [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 260) no Hoare annotation was computed. [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point L250-2(lines 250 275) no Hoare annotation was computed. [2019-10-07 15:18:45,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 224 283) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L443 ceAbstractionStarter]: For program point L276(lines 249 277) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 224 283) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L443 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L443 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 224 283) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:18:45,494 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2019-10-07 15:18:45,494 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2019-10-07 15:18:45,495 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 559 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,495 INFO L439 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,495 INFO L439 ceAbstractionStarter]: At program point L571-1(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,495 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2019-10-07 15:18:45,495 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2019-10-07 15:18:45,496 INFO L443 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2019-10-07 15:18:45,496 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-07 15:18:45,496 INFO L439 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,496 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,496 INFO L439 ceAbstractionStarter]: At program point L565-1(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 517 540) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 517 540) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 517 540) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-07 15:18:45,497 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-10-07 15:18:45,498 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-07 15:18:45,498 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-07 15:18:45,498 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-10-07 15:18:45,498 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-07 15:18:45,498 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-07 15:18:45,498 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-10-07 15:18:45,498 INFO L439 ceAbstractionStarter]: At program point L737(line 737) 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)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,498 INFO L443 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2019-10-07 15:18:45,499 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,499 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (or (not (= ~waterLevel~0 2)) (= processEnvironment__wrappee__methaneQuery_~tmp~5 1)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,499 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2019-10-07 15:18:45,499 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,499 INFO L443 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2019-10-07 15:18:45,499 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2019-10-07 15:18:45,499 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 718 742) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,499 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2019-10-07 15:18:45,499 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2019-10-07 15:18:45,500 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2019-10-07 15:18:45,500 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-07 15:18:45,500 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-10-07 15:18:45,500 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 822 857) no Hoare annotation was computed. [2019-10-07 15:18:45,500 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 822 857) no Hoare annotation was computed. [2019-10-07 15:18:45,500 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2019-10-07 15:18:45,500 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2019-10-07 15:18:45,500 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 122 167) no Hoare annotation was computed. [2019-10-07 15:18:45,501 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 122 167) no Hoare annotation was computed. [2019-10-07 15:18:45,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 435 480) no Hoare annotation was computed. [2019-10-07 15:18:45,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 435 480) no Hoare annotation was computed. [2019-10-07 15:18:45,501 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 549 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,501 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2019-10-07 15:18:45,501 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2019-10-07 15:18:45,501 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2019-10-07 15:18:45,502 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2019-10-07 15:18:45,502 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-10-07 15:18:45,502 INFO L443 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2019-10-07 15:18:45,502 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 794 801) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:45,502 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2019-10-07 15:18:45,502 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2019-10-07 15:18:45,502 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2019-10-07 15:18:45,503 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,503 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2019-10-07 15:18:45,503 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2019-10-07 15:18:45,503 INFO L439 ceAbstractionStarter]: At program point L758(line 758) 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)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,503 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,503 INFO L439 ceAbstractionStarter]: At program point L754(line 754) 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)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,503 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2019-10-07 15:18:45,504 INFO L439 ceAbstractionStarter]: At program point L750(line 750) 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)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:45,504 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-07 15:18:45,504 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2019-10-07 15:18:45,504 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2019-10-07 15:18:45,504 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2019-10-07 15:18:45,504 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 886 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,504 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2019-10-07 15:18:45,505 INFO L439 ceAbstractionStarter]: At program point L944(lines 895 945) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:45,505 INFO L439 ceAbstractionStarter]: At program point L934-2(lines 926 939) the Hoare annotation is: (let ((.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (or .cse7 (= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (< ~waterLevel~0 3)) (.cse4 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) .cse7 (and .cse0 .cse5 .cse2 .cse3 .cse4)))) [2019-10-07 15:18:45,505 INFO L443 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2019-10-07 15:18:45,505 INFO L439 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (or .cse7 (= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (< ~waterLevel~0 3)) (.cse4 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) .cse7 (and .cse0 .cse5 .cse2 .cse3 .cse4)))) [2019-10-07 15:18:45,505 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-10-07 15:18:45,506 INFO L439 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse1 (= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (< ~waterLevel~0 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse5) (and (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 .cse5) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse4 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse2)) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:18:45,506 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-10-07 15:18:45,506 INFO L443 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2019-10-07 15:18:45,506 INFO L439 ceAbstractionStarter]: At program point L941(lines 896 943) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (< ~waterLevel~0 3)) (.cse6 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:18:45,506 INFO L439 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and .cse4 .cse5 (= ~pumpRunning~0 0))) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse3 .cse5 .cse2 .cse6) (and .cse4 .cse1 .cse5 .cse2 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-10-07 15:18:45,506 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2019-10-07 15:18:45,506 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2019-10-07 15:18:45,507 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2019-10-07 15:18:45,507 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 389 434) no Hoare annotation was computed. [2019-10-07 15:18:45,507 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 389 434) no Hoare annotation was computed. [2019-10-07 15:18:45,507 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 769 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:18:45,507 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2019-10-07 15:18:45,507 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 633 655) no Hoare annotation was computed. [2019-10-07 15:18:45,507 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 633 655) no Hoare annotation was computed. [2019-10-07 15:18:45,507 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point L351(line 351) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 286 388) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point L335-2(lines 335 355) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 286 388) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point L356(lines 334 357) no Hoare annotation was computed. [2019-10-07 15:18:45,508 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 331) no Hoare annotation was computed. [2019-10-07 15:18:45,509 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 286 388) no Hoare annotation was computed. [2019-10-07 15:18:45,509 INFO L443 ceAbstractionStarter]: For program point L336(lines 335 355) no Hoare annotation was computed. [2019-10-07 15:18:45,509 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-10-07 15:18:45,509 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-10-07 15:18:45,509 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 373) no Hoare annotation was computed. [2019-10-07 15:18:45,509 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:45,509 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:45,509 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2019-10-07 15:18:45,510 INFO L439 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:18:45,510 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-07 15:18:45,510 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2019-10-07 15:18:45,510 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 777 793) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:18:45,510 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= ~pumpRunning~0 0)) .cse1 .cse2))) [2019-10-07 15:18:45,510 INFO L443 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2019-10-07 15:18:45,510 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2019-10-07 15:18:45,511 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2019-10-07 15:18:45,511 INFO L446 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2019-10-07 15:18:45,511 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2019-10-07 15:18:45,511 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-10-07 15:18:45,511 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2019-10-07 15:18:45,511 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:45,511 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:45,511 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1) .cse2) (or .cse2 (or .cse0 (or .cse1 (not (= 1 ~pumpRunning~0))))))) [2019-10-07 15:18:45,512 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2019-10-07 15:18:45,512 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2019-10-07 15:18:45,512 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2019-10-07 15:18:45,512 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 1) .cse0) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2))) (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse2 .cse0) (or .cse3 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse3 .cse1 .cse2 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0))))) [2019-10-07 15:18:45,512 INFO L439 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (< ~waterLevel~0 3)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and .cse0 .cse1) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3)) (and .cse4 .cse1)) (or .cse5 .cse6 .cse2 .cse3 (and .cse7 .cse0)) (or (not (< |old(~waterLevel~0)| 2)) .cse5 .cse3 .cse1) (or .cse5 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse5 (and .cse7 .cse4) .cse2 .cse3 (not .cse6) (and (not (= ~waterLevel~0 2)) .cse7 .cse0)))) [2019-10-07 15:18:45,512 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))))) [2019-10-07 15:18:45,513 INFO L443 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2019-10-07 15:18:45,513 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 686 709) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 3))) (and (or (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (and .cse2 (= ~pumpRunning~0 1))) (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse1 (< ~waterLevel~0 2)) (or .cse3 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse3 .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0))))) [2019-10-07 15:18:45,513 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2019-10-07 15:18:45,513 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2019-10-07 15:18:45,513 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2019-10-07 15:18:45,513 INFO L446 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2019-10-07 15:18:45,513 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2019-10-07 15:18:45,514 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-07 15:18:45,514 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2019-10-07 15:18:45,514 INFO L446 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2019-10-07 15:18:45,514 INFO L446 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2019-10-07 15:18:45,514 INFO L446 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2019-10-07 15:18:45,514 INFO L443 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2019-10-07 15:18:45,514 INFO L443 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2019-10-07 15:18:45,514 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (< ~waterLevel~0 2)) .cse4 .cse3) (or (= ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3))) [2019-10-07 15:18:45,515 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2019-10-07 15:18:45,515 INFO L443 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2019-10-07 15:18:45,515 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2019-10-07 15:18:45,515 INFO L443 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2019-10-07 15:18:45,515 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2019-10-07 15:18:45,515 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:18:45,515 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-10-07 15:18:45,515 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2019-10-07 15:18:45,516 INFO L446 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2019-10-07 15:18:45,516 INFO L443 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2019-10-07 15:18:45,516 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (< ~waterLevel~0 2)) .cse0 .cse1) (or .cse2 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse1))) [2019-10-07 15:18:45,516 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: (or (< ~waterLevel~0 3) (or (not (= ~systemActive~0 1)) (not (< |old(~waterLevel~0)| 3)) (not (= 1 ~pumpRunning~0)))) [2019-10-07 15:18:45,516 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2019-10-07 15:18:45,516 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2019-10-07 15:18:45,516 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2019-10-07 15:18:45,517 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:45,517 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:18:45,517 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:45,517 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:45,517 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2019-10-07 15:18:45,517 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 877 884) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0))) (and (or (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1)) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:18:45,517 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2019-10-07 15:18:45,518 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 3))) (and (or (or .cse0 .cse1 (not (= 1 ~pumpRunning~0))) .cse2) (or (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) .cse2))) [2019-10-07 15:18:45,518 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2019-10-07 15:18:45,518 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2019-10-07 15:18:45,518 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2019-10-07 15:18:45,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:45 BoogieIcfgContainer [2019-10-07 15:18:45,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:45,535 INFO L168 Benchmark]: Toolchain (without parser) took 19316.39 ms. Allocated memory was 145.2 MB in the beginning and 490.7 MB in the end (delta: 345.5 MB). Free memory was 100.5 MB in the beginning and 177.9 MB in the end (delta: -77.4 MB). Peak memory consumption was 359.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:45,536 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:45,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.63 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.3 MB in the beginning and 169.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:45,538 INFO L168 Benchmark]: Boogie Preprocessor took 93.21 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:45,539 INFO L168 Benchmark]: RCFGBuilder took 1749.17 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.6 MB in the beginning and 146.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:45,540 INFO L168 Benchmark]: TraceAbstraction took 16797.16 ms. Allocated memory was 236.5 MB in the beginning and 490.7 MB in the end (delta: 254.3 MB). Free memory was 146.6 MB in the beginning and 177.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 314.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:45,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.63 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 100.3 MB in the beginning and 169.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.21 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1749.17 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.6 MB in the beginning and 146.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16797.16 ms. Allocated memory was 236.5 MB in the beginning and 490.7 MB in the end (delta: 254.3 MB). Free memory was 146.6 MB in the beginning and 177.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 314.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || ((((1 == systemActive && 1 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || !(0 == \old(pumpRunning))) || (((((1 == systemActive && !(waterLevel == 2)) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || ((((1 == systemActive && 1 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 190 locations, 1 error locations. Result: SAFE, OverallTime: 16.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, HoareTripleCheckerStatistics: 1648 SDtfs, 1454 SDslu, 5922 SDs, 0 SdLazy, 2836 SolverSat, 765 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 863 GetRequests, 720 SyntacticMatches, 2 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1468occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3037 PreInvPairs, 3183 NumberOfFragments, 1735 HoareAnnotationTreeSize, 3037 FomulaSimplifications, 7702 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 19547 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1233 NumberOfCodeBlocks, 1233 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1564 ConstructedInterpolants, 0 QuantifiedInterpolants, 299278 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2506 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 227/247 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...