java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:15,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:15,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:15,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:15,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:15,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:15,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:15,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:15,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:15,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:15,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:15,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:15,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:15,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:15,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:15,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:15,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:15,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:15,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:15,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:15,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:15,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:15,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:15,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:15,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:15,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:15,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:15,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:15,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:15,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:15,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:15,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:15,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:15,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:15,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:15,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:15,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:15,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:15,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:15,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:15,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:15,162 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 15:19:15,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:15,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:15,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:15,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:15,186 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:15,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:15,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:15,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:15,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:15,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:15,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:15,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:15,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:15,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:15,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:15,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:15,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:15,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:15,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:15,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:15,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:15,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:15,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:15,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:15,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:15,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:15,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:15,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:15,192 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 15:19:15,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:15,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:15,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:15,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:15,490 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:15,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-10-07 15:19:15,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5088f88/908b8c0060174e71a0f1b213d87afcf4/FLAGb7939398c [2019-10-07 15:19:16,055 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:16,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-10-07 15:19:16,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5088f88/908b8c0060174e71a0f1b213d87afcf4/FLAGb7939398c [2019-10-07 15:19:16,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5088f88/908b8c0060174e71a0f1b213d87afcf4 [2019-10-07 15:19:16,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:16,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:16,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:16,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:16,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:16,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:16" (1/1) ... [2019-10-07 15:19:16,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:16, skipping insertion in model container [2019-10-07 15:19:16,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:16" (1/1) ... [2019-10-07 15:19:16,398 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:16,459 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:16,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:16,896 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:16,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:17,025 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:17,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17 WrapperNode [2019-10-07 15:19:17,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:17,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:17,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:17,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:17,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (1/1) ... [2019-10-07 15:19:17,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:17,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:17,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:17,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:17,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (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 15:19:17,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:19:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:19:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:19:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:18,626 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:18,626 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:18,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:18 BoogieIcfgContainer [2019-10-07 15:19:18,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:18,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:18,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:18,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:18,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:16" (1/3) ... [2019-10-07 15:19:18,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5804b225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:18, skipping insertion in model container [2019-10-07 15:19:18,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:17" (2/3) ... [2019-10-07 15:19:18,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5804b225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:18, skipping insertion in model container [2019-10-07 15:19:18,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:18" (3/3) ... [2019-10-07 15:19:18,636 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2019-10-07 15:19:18,645 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:18,653 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:18,664 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:18,708 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:18,708 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:18,708 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:18,708 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:18,709 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:18,709 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:18,709 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:18,709 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-10-07 15:19:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:18,763 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:18,764 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:18,767 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:18,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:18,777 INFO L82 PathProgramCache]: Analyzing trace with hash -38521045, now seen corresponding path program 1 times [2019-10-07 15:19:18,788 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:18,789 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:18,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:18,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:18,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:19,180 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 15:19:19,181 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,182 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:19,185 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:19,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:19,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:19,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:19,207 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-10-07 15:19:19,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:19,251 INFO L93 Difference]: Finished difference Result 215 states and 260 transitions. [2019-10-07 15:19:19,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:19,253 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:19,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:19,267 INFO L225 Difference]: With dead ends: 215 [2019-10-07 15:19:19,268 INFO L226 Difference]: Without dead ends: 108 [2019-10-07 15:19:19,273 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 15:19:19,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-07 15:19:19,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-07 15:19:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-07 15:19:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2019-10-07 15:19:19,320 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 42 [2019-10-07 15:19:19,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:19,320 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2019-10-07 15:19:19,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2019-10-07 15:19:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:19,324 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:19,324 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:19,325 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:19,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:19,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1266170964, now seen corresponding path program 1 times [2019-10-07 15:19:19,326 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:19,326 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,326 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,326 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:19,459 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 15:19:19,460 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,460 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:19,460 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:19,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:19,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:19,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:19,463 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2019-10-07 15:19:19,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:19,506 INFO L93 Difference]: Finished difference Result 169 states and 194 transitions. [2019-10-07 15:19:19,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:19,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:19,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:19,515 INFO L225 Difference]: With dead ends: 169 [2019-10-07 15:19:19,515 INFO L226 Difference]: Without dead ends: 100 [2019-10-07 15:19:19,517 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 15:19:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-07 15:19:19,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-07 15:19:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-07 15:19:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2019-10-07 15:19:19,549 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 43 [2019-10-07 15:19:19,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:19,550 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2019-10-07 15:19:19,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2019-10-07 15:19:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:19:19,553 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:19,554 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:19,554 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:19,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:19,556 INFO L82 PathProgramCache]: Analyzing trace with hash 2095905094, now seen corresponding path program 1 times [2019-10-07 15:19:19,556 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:19,556 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,556 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,557 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:19,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:19,746 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 15:19:19,747 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:19,747 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:19,747 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:19,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:19,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:19,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:19,749 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 7 states. [2019-10-07 15:19:20,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:20,111 INFO L93 Difference]: Finished difference Result 178 states and 205 transitions. [2019-10-07 15:19:20,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:20,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:19:20,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:20,115 INFO L225 Difference]: With dead ends: 178 [2019-10-07 15:19:20,115 INFO L226 Difference]: Without dead ends: 100 [2019-10-07 15:19:20,119 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 15:19:20,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-07 15:19:20,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-07 15:19:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-07 15:19:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2019-10-07 15:19:20,136 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 46 [2019-10-07 15:19:20,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:20,136 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2019-10-07 15:19:20,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2019-10-07 15:19:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-07 15:19:20,138 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:20,139 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] [2019-10-07 15:19:20,139 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:20,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:20,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1215465216, now seen corresponding path program 1 times [2019-10-07 15:19:20,139 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:20,140 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,140 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,140 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:20,300 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 15:19:20,301 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,301 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:20,301 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:20,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:20,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:20,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:20,302 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand 10 states. [2019-10-07 15:19:20,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:20,853 INFO L93 Difference]: Finished difference Result 317 states and 374 transitions. [2019-10-07 15:19:20,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:20,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2019-10-07 15:19:20,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:20,863 INFO L225 Difference]: With dead ends: 317 [2019-10-07 15:19:20,863 INFO L226 Difference]: Without dead ends: 239 [2019-10-07 15:19:20,866 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:19:20,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-07 15:19:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 231. [2019-10-07 15:19:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-10-07 15:19:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 267 transitions. [2019-10-07 15:19:20,921 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 267 transitions. Word has length 59 [2019-10-07 15:19:20,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:20,921 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 267 transitions. [2019-10-07 15:19:20,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 267 transitions. [2019-10-07 15:19:20,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-07 15:19:20,924 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:20,925 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] [2019-10-07 15:19:20,925 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:20,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:20,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1780654577, now seen corresponding path program 1 times [2019-10-07 15:19:20,926 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:20,926 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:20,926 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,926 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:20,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,018 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 15:19:21,019 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,019 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:21,019 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:21,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:21,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:21,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:21,021 INFO L87 Difference]: Start difference. First operand 231 states and 267 transitions. Second operand 3 states. [2019-10-07 15:19:21,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:21,052 INFO L93 Difference]: Finished difference Result 365 states and 431 transitions. [2019-10-07 15:19:21,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:21,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-10-07 15:19:21,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:21,056 INFO L225 Difference]: With dead ends: 365 [2019-10-07 15:19:21,056 INFO L226 Difference]: Without dead ends: 156 [2019-10-07 15:19:21,058 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 15:19:21,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-07 15:19:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-07 15:19:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-07 15:19:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 166 transitions. [2019-10-07 15:19:21,075 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 166 transitions. Word has length 65 [2019-10-07 15:19:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:21,075 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 166 transitions. [2019-10-07 15:19:21,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2019-10-07 15:19:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-07 15:19:21,077 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:21,078 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:19:21,078 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:21,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:21,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1998633760, now seen corresponding path program 1 times [2019-10-07 15:19:21,079 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:21,079 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,079 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,079 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:21,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-07 15:19:21,203 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:21,204 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:21,204 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 15:19:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:21,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:21,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:19:21,452 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-07 15:19:21,623 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:21,624 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 9 [2019-10-07 15:19:21,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:21,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:21,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:19:21,626 INFO L87 Difference]: Start difference. First operand 156 states and 166 transitions. Second operand 7 states. [2019-10-07 15:19:21,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:21,771 INFO L93 Difference]: Finished difference Result 158 states and 168 transitions. [2019-10-07 15:19:21,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:21,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2019-10-07 15:19:21,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:21,772 INFO L225 Difference]: With dead ends: 158 [2019-10-07 15:19:21,773 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:21,775 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:19:21,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:21,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:21,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:21,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-10-07 15:19:21,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:21,776 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:21,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:21,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:21,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:21,982 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:21,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:22,845 INFO L443 ceAbstractionStarter]: For program point L539(lines 516 540) no Hoare annotation was computed. [2019-10-07 15:19:22,845 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-07 15:19:22,846 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2019-10-07 15:19:22,846 INFO L443 ceAbstractionStarter]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2019-10-07 15:19:22,846 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2019-10-07 15:19:22,846 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2019-10-07 15:19:22,846 INFO L443 ceAbstractionStarter]: For program point L600(lines 573 601) no Hoare annotation was computed. [2019-10-07 15:19:22,846 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2019-10-07 15:19:22,846 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-07 15:19:22,847 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-10-07 15:19:22,847 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2019-10-07 15:19:22,847 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2019-10-07 15:19:22,847 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-07 15:19:22,847 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2019-10-07 15:19:22,847 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2019-10-07 15:19:22,847 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2019-10-07 15:19:22,848 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2019-10-07 15:19:22,848 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2019-10-07 15:19:22,848 INFO L439 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,848 INFO L443 ceAbstractionStarter]: For program point L150(lines 150 156) no Hoare annotation was computed. [2019-10-07 15:19:22,848 INFO L439 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,848 INFO L443 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2019-10-07 15:19:22,849 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2019-10-07 15:19:22,849 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 159) no Hoare annotation was computed. [2019-10-07 15:19:22,849 INFO L443 ceAbstractionStarter]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2019-10-07 15:19:22,849 INFO L446 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2019-10-07 15:19:22,849 INFO L443 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2019-10-07 15:19:22,849 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,850 INFO L439 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,850 INFO L439 ceAbstractionStarter]: At program point L893-1(line 893) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,850 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2019-10-07 15:19:22,850 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2019-10-07 15:19:22,850 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-07 15:19:22,850 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2019-10-07 15:19:22,851 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,851 INFO L439 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,851 INFO L439 ceAbstractionStarter]: At program point L887-1(line 887) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,851 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:19:22,851 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:19:22,851 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2019-10-07 15:19:22,852 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-07 15:19:22,852 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-07 15:19:22,852 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-07 15:19:22,852 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-07 15:19:22,852 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-07 15:19:22,852 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-07 15:19:22,852 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-07 15:19:22,853 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-07 15:19:22,853 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-07 15:19:22,853 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-07 15:19:22,853 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-07 15:19:22,853 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-07 15:19:22,853 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-07 15:19:22,853 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-07 15:19:22,854 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,854 INFO L443 ceAbstractionStarter]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2019-10-07 15:19:22,854 INFO L439 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,854 INFO L439 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,854 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 220) no Hoare annotation was computed. [2019-10-07 15:19:22,854 INFO L439 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,855 INFO L443 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2019-10-07 15:19:22,855 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,855 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 225) no Hoare annotation was computed. [2019-10-07 15:19:22,855 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2019-10-07 15:19:22,855 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2019-10-07 15:19:22,855 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2019-10-07 15:19:22,855 INFO L446 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2019-10-07 15:19:22,856 INFO L443 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2019-10-07 15:19:22,856 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2019-10-07 15:19:22,856 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2019-10-07 15:19:22,856 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-10-07 15:19:22,856 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-10-07 15:19:22,856 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2019-10-07 15:19:22,856 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2019-10-07 15:19:22,856 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2019-10-07 15:19:22,857 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2019-10-07 15:19:22,857 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2019-10-07 15:19:22,857 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2019-10-07 15:19:22,857 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2019-10-07 15:19:22,857 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2019-10-07 15:19:22,857 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,857 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2019-10-07 15:19:22,858 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2019-10-07 15:19:22,858 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2019-10-07 15:19:22,858 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2019-10-07 15:19:22,858 INFO L446 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2019-10-07 15:19:22,858 INFO L443 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2019-10-07 15:19:22,858 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2019-10-07 15:19:22,858 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2019-10-07 15:19:22,859 INFO L439 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,859 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2019-10-07 15:19:22,859 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2019-10-07 15:19:22,859 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,859 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,859 INFO L439 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,859 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-07 15:19:22,860 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,860 INFO L443 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2019-10-07 15:19:22,860 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 251) no Hoare annotation was computed. [2019-10-07 15:19:22,860 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2019-10-07 15:19:22,860 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2019-10-07 15:19:22,860 INFO L443 ceAbstractionStarter]: For program point L384(lines 383 430) no Hoare annotation was computed. [2019-10-07 15:19:22,860 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,861 INFO L439 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:22,861 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 426) no Hoare annotation was computed. [2019-10-07 15:19:22,861 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2019-10-07 15:19:22,861 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:22,861 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2019-10-07 15:19:22,861 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2019-10-07 15:19:22,861 INFO L439 ceAbstractionStarter]: At program point L428(lines 383 430) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:22,862 INFO L439 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:22,862 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2019-10-07 15:19:22,862 INFO L443 ceAbstractionStarter]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2019-10-07 15:19:22,862 INFO L439 ceAbstractionStarter]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,862 INFO L439 ceAbstractionStarter]: At program point L421-2(lines 413 426) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:22,862 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-07 15:19:22,863 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 638) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point L680(lines 658 681) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 655) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point L660(lines 659 679) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-10-07 15:19:22,864 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-07 15:19:22,865 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2019-10-07 15:19:22,865 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 697) no Hoare annotation was computed. [2019-10-07 15:19:22,865 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-10-07 15:19:22,865 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-10-07 15:19:22,865 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2019-10-07 15:19:22,865 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2019-10-07 15:19:22,865 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:22,865 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 276) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point L268-1(line 268) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-07 15:19:22,866 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-07 15:19:22,866 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-07 15:19:22,867 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-07 15:19:22,867 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-07 15:19:22,867 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,867 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,867 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-07 15:19:22,867 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-07 15:19:22,867 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:22,868 INFO L439 ceAbstractionStarter]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:22,868 INFO L439 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:22,868 INFO L443 ceAbstractionStarter]: For program point L176(lines 175 194) no Hoare annotation was computed. [2019-10-07 15:19:22,868 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:22,868 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2019-10-07 15:19:22,868 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2019-10-07 15:19:22,868 INFO L446 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2019-10-07 15:19:22,869 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2019-10-07 15:19:22,869 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2019-10-07 15:19:22,869 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-07 15:19:22,869 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-07 15:19:22,869 INFO L446 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2019-10-07 15:19:22,869 INFO L446 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2019-10-07 15:19:22,869 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-10-07 15:19:22,869 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-07 15:19:22,870 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-07 15:19:22,870 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-07 15:19:22,870 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2019-10-07 15:19:22,870 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2019-10-07 15:19:22,870 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,870 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:22,870 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:22,871 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:22,871 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2019-10-07 15:19:22,871 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:19:22,871 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-07 15:19:22,871 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:22,871 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2019-10-07 15:19:22,871 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2019-10-07 15:19:22,872 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2019-10-07 15:19:22,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:22 BoogieIcfgContainer [2019-10-07 15:19:22,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:22,899 INFO L168 Benchmark]: Toolchain (without parser) took 6516.24 ms. Allocated memory was 145.2 MB in the beginning and 289.9 MB in the end (delta: 144.7 MB). Free memory was 102.2 MB in the beginning and 236.6 MB in the end (delta: -134.4 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,900 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.75 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 171.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,904 INFO L168 Benchmark]: Boogie Preprocessor took 81.44 ms. Allocated memory is still 203.4 MB. Free memory was 171.8 MB in the beginning and 167.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,905 INFO L168 Benchmark]: RCFGBuilder took 1519.66 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 152.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,910 INFO L168 Benchmark]: TraceAbstraction took 4267.41 ms. Allocated memory was 235.9 MB in the beginning and 289.9 MB in the end (delta: 54.0 MB). Free memory was 150.9 MB in the beginning and 236.6 MB in the end (delta: -85.7 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:22,918 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 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.75 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 171.8 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.44 ms. Allocated memory is still 203.4 MB. Free memory was 171.8 MB in the beginning and 167.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1519.66 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 152.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4267.41 ms. Allocated memory was 235.9 MB in the beginning and 289.9 MB in the end (delta: 54.0 MB). Free memory was 150.9 MB in the beginning and 236.6 MB in the end (delta: -85.7 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 187 locations, 1 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 637 SDtfs, 457 SDslu, 1257 SDs, 0 SdLazy, 476 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 383 PreInvPairs, 404 NumberOfFragments, 649 HoareAnnotationTreeSize, 383 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 999 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 544 ConstructedInterpolants, 0 QuantifiedInterpolants, 72744 SizeOfPredicates, 2 NumberOfNonLiveVariables, 776 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 95/99 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...