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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:11,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:11,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:11,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:11,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:11,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:11,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:11,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:11,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:11,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:11,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:11,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:11,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:11,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:11,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:11,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:11,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:11,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:11,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:11,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:11,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:11,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:11,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:11,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:11,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:11,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:11,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:11,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:11,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:11,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:11,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:11,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:11,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:11,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:11,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:11,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:11,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:11,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:11,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:11,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:11,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:11,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:19:11,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:11,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:11,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:11,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:11,973 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:11,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:11,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:11,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:11,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:11,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:11,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:11,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:11,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:11,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:11,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:11,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:11,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:11,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:11,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:11,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:11,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:11,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:11,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:11,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:11,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:11,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:11,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:11,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:11,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:19:12,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:12,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:12,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:12,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:12,359 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:12,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-15 01:19:12,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26004135d/8cef8ea2f5cd42b5940c30de4dafad2a/FLAG721a9f8f8 [2019-10-15 01:19:13,035 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:13,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-15 01:19:13,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26004135d/8cef8ea2f5cd42b5940c30de4dafad2a/FLAG721a9f8f8 [2019-10-15 01:19:13,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26004135d/8cef8ea2f5cd42b5940c30de4dafad2a [2019-10-15 01:19:13,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:13,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:13,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:13,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:13,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:13,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b22563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:13, skipping insertion in model container [2019-10-15 01:19:13,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:13" (1/1) ... [2019-10-15 01:19:13,318 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:13,383 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:13,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:13,863 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:13,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:14,043 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:14,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14 WrapperNode [2019-10-15 01:19:14,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:14,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:14,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:14,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:14,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... [2019-10-15 01:19:14,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... [2019-10-15 01:19:14,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... [2019-10-15 01:19:14,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... [2019-10-15 01:19:14,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... [2019-10-15 01:19:14,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... [2019-10-15 01:19:14,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... [2019-10-15 01:19:14,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:14,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:14,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:14,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:14,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:19:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:19:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:19:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:19:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:15,292 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:15,293 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:15,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:15 BoogieIcfgContainer [2019-10-15 01:19:15,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:15,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:15,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:15,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:15,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:13" (1/3) ... [2019-10-15 01:19:15,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb47e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:15, skipping insertion in model container [2019-10-15 01:19:15,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:14" (2/3) ... [2019-10-15 01:19:15,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb47e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:15, skipping insertion in model container [2019-10-15 01:19:15,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:15" (3/3) ... [2019-10-15 01:19:15,307 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2019-10-15 01:19:15,318 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:15,327 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:15,339 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:15,369 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:15,369 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:15,369 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:15,369 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:15,370 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:15,370 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:15,370 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:15,370 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-10-15 01:19:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:15,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,408 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,410 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1613581470, now seen corresponding path program 1 times [2019-10-15 01:19:15,428 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462037023] [2019-10-15 01:19:15,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,429 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462037023] [2019-10-15 01:19:15,853 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:15,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:15,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454623821] [2019-10-15 01:19:15,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:15,862 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:15,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:15,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:15,890 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-10-15 01:19:15,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,980 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2019-10-15 01:19:15,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:15,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:15,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,019 INFO L225 Difference]: With dead ends: 312 [2019-10-15 01:19:16,020 INFO L226 Difference]: Without dead ends: 156 [2019-10-15 01:19:16,032 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:16,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-15 01:19:16,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-15 01:19:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-15 01:19:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2019-10-15 01:19:16,148 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2019-10-15 01:19:16,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,149 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2019-10-15 01:19:16,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2019-10-15 01:19:16,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:16,167 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:16,167 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:16,168 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:16,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:16,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1476283687, now seen corresponding path program 1 times [2019-10-15 01:19:16,169 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:16,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706063486] [2019-10-15 01:19:16,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:16,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706063486] [2019-10-15 01:19:16,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:16,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:16,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445865235] [2019-10-15 01:19:16,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:16,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:16,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:16,372 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2019-10-15 01:19:16,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,394 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-10-15 01:19:16,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:16,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,398 INFO L225 Difference]: With dead ends: 255 [2019-10-15 01:19:16,398 INFO L226 Difference]: Without dead ends: 147 [2019-10-15 01:19:16,400 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-15 01:19:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-15 01:19:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-15 01:19:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2019-10-15 01:19:16,416 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2019-10-15 01:19:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,416 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2019-10-15 01:19:16,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2019-10-15 01:19:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:16,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:16,419 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:16,419 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:16,419 INFO L82 PathProgramCache]: Analyzing trace with hash 474549322, now seen corresponding path program 1 times [2019-10-15 01:19:16,420 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:16,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470459893] [2019-10-15 01:19:16,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:16,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:16,570 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470459893] [2019-10-15 01:19:16,570 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:16,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:16,571 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695232988] [2019-10-15 01:19:16,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:16,572 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:16,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:16,573 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2019-10-15 01:19:17,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,191 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2019-10-15 01:19:17,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:17,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:19:17,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,197 INFO L225 Difference]: With dead ends: 443 [2019-10-15 01:19:17,197 INFO L226 Difference]: Without dead ends: 320 [2019-10-15 01:19:17,198 INFO L600 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 [2019-10-15 01:19:17,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-10-15 01:19:17,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2019-10-15 01:19:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-10-15 01:19:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2019-10-15 01:19:17,251 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2019-10-15 01:19:17,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,255 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2019-10-15 01:19:17,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:17,255 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2019-10-15 01:19:17,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:17,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,260 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:17,260 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,262 INFO L82 PathProgramCache]: Analyzing trace with hash 912243430, now seen corresponding path program 1 times [2019-10-15 01:19:17,263 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758742120] [2019-10-15 01:19:17,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758742120] [2019-10-15 01:19:17,452 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:17,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368254101] [2019-10-15 01:19:17,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:17,453 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:17,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:17,456 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2019-10-15 01:19:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,717 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2019-10-15 01:19:17,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:17,718 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-15 01:19:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,723 INFO L225 Difference]: With dead ends: 873 [2019-10-15 01:19:17,723 INFO L226 Difference]: Without dead ends: 585 [2019-10-15 01:19:17,725 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:17,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-10-15 01:19:17,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2019-10-15 01:19:17,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-15 01:19:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2019-10-15 01:19:17,778 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2019-10-15 01:19:17,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,778 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2019-10-15 01:19:17,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2019-10-15 01:19:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:19:17,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,782 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:17,782 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1983295510, now seen corresponding path program 1 times [2019-10-15 01:19:17,783 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826387756] [2019-10-15 01:19:17,783 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,783 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:17,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826387756] [2019-10-15 01:19:17,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:17,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:17,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234831948] [2019-10-15 01:19:17,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:17,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:17,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:17,893 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2019-10-15 01:19:18,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,184 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2019-10-15 01:19:18,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:18,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-15 01:19:18,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,191 INFO L225 Difference]: With dead ends: 1364 [2019-10-15 01:19:18,191 INFO L226 Difference]: Without dead ends: 809 [2019-10-15 01:19:18,194 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2019-10-15 01:19:18,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2019-10-15 01:19:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-15 01:19:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2019-10-15 01:19:18,253 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2019-10-15 01:19:18,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,254 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2019-10-15 01:19:18,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2019-10-15 01:19:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:18,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,258 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:18,258 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,259 INFO L82 PathProgramCache]: Analyzing trace with hash -575696431, now seen corresponding path program 1 times [2019-10-15 01:19:18,259 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116080431] [2019-10-15 01:19:18,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,355 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116080431] [2019-10-15 01:19:18,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:18,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152662783] [2019-10-15 01:19:18,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:18,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:18,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:18,358 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2019-10-15 01:19:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,429 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2019-10-15 01:19:18,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:18,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-15 01:19:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,435 INFO L225 Difference]: With dead ends: 1586 [2019-10-15 01:19:18,435 INFO L226 Difference]: Without dead ends: 819 [2019-10-15 01:19:18,438 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-10-15 01:19:18,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2019-10-15 01:19:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-15 01:19:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2019-10-15 01:19:18,510 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2019-10-15 01:19:18,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,511 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2019-10-15 01:19:18,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2019-10-15 01:19:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:18,514 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,515 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:18,515 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,515 INFO L82 PathProgramCache]: Analyzing trace with hash -928784813, now seen corresponding path program 1 times [2019-10-15 01:19:18,515 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016644906] [2019-10-15 01:19:18,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016644906] [2019-10-15 01:19:18,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:18,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860524409] [2019-10-15 01:19:18,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:18,660 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:18,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:18,661 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2019-10-15 01:19:18,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:18,736 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2019-10-15 01:19:18,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:18,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:19:18,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:18,748 INFO L225 Difference]: With dead ends: 1626 [2019-10-15 01:19:18,749 INFO L226 Difference]: Without dead ends: 839 [2019-10-15 01:19:18,753 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:18,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-10-15 01:19:18,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2019-10-15 01:19:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-15 01:19:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2019-10-15 01:19:18,829 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2019-10-15 01:19:18,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:18,830 INFO L462 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2019-10-15 01:19:18,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2019-10-15 01:19:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:18,838 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:18,840 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:18,841 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:18,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:18,841 INFO L82 PathProgramCache]: Analyzing trace with hash 204405780, now seen corresponding path program 1 times [2019-10-15 01:19:18,842 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:18,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355892149] [2019-10-15 01:19:18,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:18,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:18,971 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355892149] [2019-10-15 01:19:18,971 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:18,971 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:18,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652749223] [2019-10-15 01:19:18,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:18,973 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:18,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:18,974 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2019-10-15 01:19:19,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:19,326 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2019-10-15 01:19:19,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:19,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-15 01:19:19,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:19,338 INFO L225 Difference]: With dead ends: 2661 [2019-10-15 01:19:19,338 INFO L226 Difference]: Without dead ends: 1858 [2019-10-15 01:19:19,342 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2019-10-15 01:19:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2019-10-15 01:19:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2019-10-15 01:19:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2019-10-15 01:19:19,463 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2019-10-15 01:19:19,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:19,463 INFO L462 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2019-10-15 01:19:19,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2019-10-15 01:19:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:19:19,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:19,468 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:19,468 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:19,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:19,469 INFO L82 PathProgramCache]: Analyzing trace with hash -796699686, now seen corresponding path program 1 times [2019-10-15 01:19:19,469 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:19,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059886118] [2019-10-15 01:19:19,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:19,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:19,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059886118] [2019-10-15 01:19:19,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564547922] [2019-10-15 01:19:19,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:19,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:19,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:20,122 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:21,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:21,409 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:21,409 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552347602] [2019-10-15 01:19:21,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:21,410 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:21,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:21,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:21,411 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 8 states. [2019-10-15 01:19:21,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:21,839 INFO L93 Difference]: Finished difference Result 3618 states and 4502 transitions. [2019-10-15 01:19:21,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:21,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:19:21,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:21,853 INFO L225 Difference]: With dead ends: 3618 [2019-10-15 01:19:21,853 INFO L226 Difference]: Without dead ends: 1815 [2019-10-15 01:19:21,859 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2019-10-15 01:19:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2019-10-15 01:19:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2019-10-15 01:19:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2199 transitions. [2019-10-15 01:19:21,974 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2199 transitions. Word has length 107 [2019-10-15 01:19:21,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:21,977 INFO L462 AbstractCegarLoop]: Abstraction has 1815 states and 2199 transitions. [2019-10-15 01:19:21,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2199 transitions. [2019-10-15 01:19:21,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-15 01:19:21,987 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:21,988 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:22,196 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:22,196 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:22,197 INFO L82 PathProgramCache]: Analyzing trace with hash 649218157, now seen corresponding path program 1 times [2019-10-15 01:19:22,197 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:22,198 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629564190] [2019-10-15 01:19:22,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:22,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:22,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:22,449 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629564190] [2019-10-15 01:19:22,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232044691] [2019-10-15 01:19:22,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:22,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:22,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:22,889 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:19:23,471 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:23,471 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:23,471 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289537243] [2019-10-15 01:19:23,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:23,472 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:23,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:23,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:23,473 INFO L87 Difference]: Start difference. First operand 1815 states and 2199 transitions. Second operand 8 states. [2019-10-15 01:19:23,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:23,988 INFO L93 Difference]: Finished difference Result 3047 states and 3747 transitions. [2019-10-15 01:19:23,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:23,989 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-10-15 01:19:23,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:23,991 INFO L225 Difference]: With dead ends: 3047 [2019-10-15 01:19:23,991 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:24,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:24,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:24,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:24,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-10-15 01:19:24,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:24,005 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:24,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:24,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:24,211 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:24,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:25,264 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 17 [2019-10-15 01:19:25,553 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-10-15 01:19:26,007 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2019-10-15 01:19:26,274 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 17 [2019-10-15 01:19:26,451 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-10-15 01:19:27,106 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 17 [2019-10-15 01:19:27,272 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 14 [2019-10-15 01:19:27,382 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 17 [2019-10-15 01:19:27,668 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2019-10-15 01:19:27,957 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-10-15 01:19:28,227 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 17 [2019-10-15 01:19:28,591 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2019-10-15 01:19:28,923 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-10-15 01:19:29,156 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-15 01:19:29,156 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2019-10-15 01:19:29,156 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 438 493) no Hoare annotation was computed. [2019-10-15 01:19:29,156 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-15 01:19:29,156 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 484) no Hoare annotation was computed. [2019-10-15 01:19:29,156 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 438 493) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L485(lines 462 486) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 438 493) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L539-1(line 539) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 494 553) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 494 553) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 526 530) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 494 553) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 545) no Hoare annotation was computed. [2019-10-15 01:19:29,157 INFO L443 ceAbstractionStarter]: For program point L546(lines 519 547) no Hoare annotation was computed. [2019-10-15 01:19:29,158 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2019-10-15 01:19:29,158 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2019-10-15 01:19:29,158 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2019-10-15 01:19:29,158 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2019-10-15 01:19:29,158 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2019-10-15 01:19:29,158 INFO L439 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,159 INFO L439 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,159 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,159 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2019-10-15 01:19:29,159 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2019-10-15 01:19:29,159 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,160 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,160 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-10-15 01:19:29,160 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2019-10-15 01:19:29,160 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-15 01:19:29,160 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,160 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-15 01:19:29,160 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-15 01:19:29,161 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-15 01:19:29,162 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-15 01:19:29,162 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-15 01:19:29,162 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-15 01:19:29,162 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-15 01:19:29,162 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-15 01:19:29,162 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,162 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,162 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-15 01:19:29,162 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,162 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-15 01:19:29,163 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-15 01:19:29,163 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,163 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-15 01:19:29,163 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:19:29,163 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-15 01:19:29,163 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2019-10-15 01:19:29,163 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2019-10-15 01:19:29,163 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-10-15 01:19:29,163 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse7 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 (or .cse5 .cse2)) (or .cse6 .cse7 .cse2) (or .cse3 .cse6 .cse7))) [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2019-10-15 01:19:29,164 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 392 437) no Hoare annotation was computed. [2019-10-15 01:19:29,165 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 392 437) no Hoare annotation was computed. [2019-10-15 01:19:29,166 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 392 437) no Hoare annotation was computed. [2019-10-15 01:19:29,166 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 705 750) no Hoare annotation was computed. [2019-10-15 01:19:29,167 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 732) no Hoare annotation was computed. [2019-10-15 01:19:29,167 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 739) no Hoare annotation was computed. [2019-10-15 01:19:29,167 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 739) no Hoare annotation was computed. [2019-10-15 01:19:29,168 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 705 750) no Hoare annotation was computed. [2019-10-15 01:19:29,168 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 705 750) no Hoare annotation was computed. [2019-10-15 01:19:29,168 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,168 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2019-10-15 01:19:29,168 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2019-10-15 01:19:29,168 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-10-15 01:19:29,168 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-15 01:19:29,169 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-15 01:19:29,169 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-15 01:19:29,169 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-10-15 01:19:29,169 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2019-10-15 01:19:29,169 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-15 01:19:29,169 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-15 01:19:29,169 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2019-10-15 01:19:29,169 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2019-10-15 01:19:29,170 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2019-10-15 01:19:29,170 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2019-10-15 01:19:29,170 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,170 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-10-15 01:19:29,170 INFO L439 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2019-10-15 01:19:29,170 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-10-15 01:19:29,170 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2019-10-15 01:19:29,171 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,171 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-10-15 01:19:29,171 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,171 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-15 01:19:29,171 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-10-15 01:19:29,171 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-15 01:19:29,171 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-15 01:19:29,172 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,172 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2019-10-15 01:19:29,172 INFO L439 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:29,172 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-10-15 01:19:29,172 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2019-10-15 01:19:29,172 INFO L439 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-10-15 01:19:29,173 INFO L443 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2019-10-15 01:19:29,173 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2019-10-15 01:19:29,173 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:29,173 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-10-15 01:19:29,173 INFO L443 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-10-15 01:19:29,173 INFO L439 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:29,174 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:29,174 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2019-10-15 01:19:29,174 INFO L443 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2019-10-15 01:19:29,174 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2019-10-15 01:19:29,174 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2019-10-15 01:19:29,174 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-10-15 01:19:29,174 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 673 693) no Hoare annotation was computed. [2019-10-15 01:19:29,174 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 659 704) no Hoare annotation was computed. [2019-10-15 01:19:29,175 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 659 704) no Hoare annotation was computed. [2019-10-15 01:19:29,175 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 659 704) no Hoare annotation was computed. [2019-10-15 01:19:29,175 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 686) no Hoare annotation was computed. [2019-10-15 01:19:29,175 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-15 01:19:29,175 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2019-10-15 01:19:29,175 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-15 01:19:29,175 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2019-10-15 01:19:29,175 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 925 947) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 925 947) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 941) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 925 947) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point L933-2(lines 933 941) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 556 658) no Hoare annotation was computed. [2019-10-15 01:19:29,176 INFO L443 ceAbstractionStarter]: For program point L605-2(lines 605 625) no Hoare annotation was computed. [2019-10-15 01:19:29,177 INFO L443 ceAbstractionStarter]: For program point L626(lines 604 627) no Hoare annotation was computed. [2019-10-15 01:19:29,177 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 601) no Hoare annotation was computed. [2019-10-15 01:19:29,177 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 556 658) no Hoare annotation was computed. [2019-10-15 01:19:29,177 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 652) no Hoare annotation was computed. [2019-10-15 01:19:29,177 INFO L443 ceAbstractionStarter]: For program point L606(lines 605 625) no Hoare annotation was computed. [2019-10-15 01:19:29,177 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-15 01:19:29,177 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-15 01:19:29,178 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 643) no Hoare annotation was computed. [2019-10-15 01:19:29,178 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 556 658) no Hoare annotation was computed. [2019-10-15 01:19:29,178 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-15 01:19:29,178 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-15 01:19:29,179 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-15 01:19:29,179 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 655) no Hoare annotation was computed. [2019-10-15 01:19:29,179 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 982 991) no Hoare annotation was computed. [2019-10-15 01:19:29,179 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 982 991) no Hoare annotation was computed. [2019-10-15 01:19:29,179 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 982 991) no Hoare annotation was computed. [2019-10-15 01:19:29,179 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:29,179 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:29,179 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:29,180 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:19:29,180 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-15 01:19:29,180 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-10-15 01:19:29,180 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:19:29,180 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:29,181 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-10-15 01:19:29,181 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-15 01:19:29,181 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-15 01:19:29,181 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-15 01:19:29,182 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-15 01:19:29,182 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-10-15 01:19:29,182 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-15 01:19:29,182 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-10-15 01:19:29,182 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-15 01:19:29,182 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 948 956) no Hoare annotation was computed. [2019-10-15 01:19:29,182 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 948 956) no Hoare annotation was computed. [2019-10-15 01:19:29,182 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 948 956) no Hoare annotation was computed. [2019-10-15 01:19:29,183 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (<= 1 ~methaneLevelCritical~0)) (or (= ~systemActive~0 0) .cse1 .cse2))) [2019-10-15 01:19:29,183 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2019-10-15 01:19:29,183 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2019-10-15 01:19:29,183 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:29,183 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:29,183 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:29,183 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2019-10-15 01:19:29,184 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2019-10-15 01:19:29,184 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-15 01:19:29,184 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:29,184 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-15 01:19:29,184 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse7 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (not .cse3)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~systemActive~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse6 .cse0 (and .cse7 .cse1) .cse8) (or .cse7 .cse0 .cse8 .cse2) (or .cse6 .cse3 .cse0 (and .cse5 .cse1)) (or .cse6 .cse3 .cse5 .cse4) (or .cse3 .cse0 .cse5 .cse2)))) [2019-10-15 01:19:29,184 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-15 01:19:29,185 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-15 01:19:29,185 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1)) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (not (= 0 ~systemActive~0)))) (let ((.cse0 (and .cse7 .cse8 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (not .cse7) .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6) (or .cse5 .cse2 .cse4 .cse6)))) [2019-10-15 01:19:29,186 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse9 (= 1 ~waterLevel~0))) (let ((.cse7 (not .cse9)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse9 .cse8)) (.cse3 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse7 .cse8)) (.cse0 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 (and .cse7 (not (= 0 ~systemActive~0)))) (or .cse0 .cse5 .cse1 .cse6) (or .cse0 (= ~systemActive~0 0) .cse8))))) [2019-10-15 01:19:29,186 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2019-10-15 01:19:29,186 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2019-10-15 01:19:29,186 INFO L446 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2019-10-15 01:19:29,186 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2019-10-15 01:19:29,186 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-15 01:19:29,187 INFO L446 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2019-10-15 01:19:29,187 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-15 01:19:29,187 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-10-15 01:19:29,187 INFO L446 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2019-10-15 01:19:29,187 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-15 01:19:29,187 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: true [2019-10-15 01:19:29,187 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-15 01:19:29,187 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2019-10-15 01:19:29,187 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2019-10-15 01:19:29,188 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2019-10-15 01:19:29,188 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:29,188 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:19:29,188 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:29,188 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:29,188 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (not (= 1 ~waterLevel~0)) (= ~pumpRunning~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-15 01:19:29,188 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,188 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-15 01:19:29,189 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:19:29,189 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-15 01:19:29,189 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-15 01:19:29,189 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-15 01:19:29,189 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:29,189 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-15 01:19:29,189 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-15 01:19:29,190 INFO L443 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2019-10-15 01:19:29,190 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2019-10-15 01:19:29,190 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-15 01:19:29,190 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2019-10-15 01:19:29,190 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2019-10-15 01:19:29,190 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2019-10-15 01:19:29,190 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2019-10-15 01:19:29,190 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:19:29,191 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-10-15 01:19:29,191 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:19:29,191 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2019-10-15 01:19:29,191 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-10-15 01:19:29,191 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2019-10-15 01:19:29,191 INFO L443 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2019-10-15 01:19:29,193 INFO L446 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2019-10-15 01:19:29,193 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-10-15 01:19:29,194 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2019-10-15 01:19:29,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:29 BoogieIcfgContainer [2019-10-15 01:19:29,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:29,215 INFO L168 Benchmark]: Toolchain (without parser) took 15914.12 ms. Allocated memory was 142.1 MB in the beginning and 477.6 MB in the end (delta: 335.5 MB). Free memory was 106.1 MB in the beginning and 206.1 MB in the end (delta: -100.0 MB). Peak memory consumption was 288.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:29,216 INFO L168 Benchmark]: CDTParser took 1.96 ms. Allocated memory is still 142.1 MB. Free memory was 125.4 MB in the beginning and 125.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:29,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.17 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 105.9 MB in the beginning and 171.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:29,222 INFO L168 Benchmark]: Boogie Preprocessor took 93.21 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:29,223 INFO L168 Benchmark]: RCFGBuilder took 1157.67 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 167.5 MB in the beginning and 183.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:29,225 INFO L168 Benchmark]: TraceAbstraction took 13915.54 ms. Allocated memory was 232.8 MB in the beginning and 477.6 MB in the end (delta: 244.8 MB). Free memory was 183.3 MB in the beginning and 206.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 274.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:29,237 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96 ms. Allocated memory is still 142.1 MB. Free memory was 125.4 MB in the beginning and 125.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.17 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 105.9 MB in the beginning and 171.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.21 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.67 ms. Allocated memory was 204.5 MB in the beginning and 232.8 MB in the end (delta: 28.3 MB). Free memory was 167.5 MB in the beginning and 183.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13915.54 ms. Allocated memory was 232.8 MB in the beginning and 477.6 MB in the end (delta: 244.8 MB). Free memory was 183.3 MB in the beginning and 206.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 274.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. Result: SAFE, OverallTime: 13.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, HoareTripleCheckerStatistics: 2207 SDtfs, 1071 SDslu, 6077 SDs, 0 SdLazy, 1181 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 562 SyntacticMatches, 13 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1827occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3726 PreInvPairs, 3953 NumberOfFragments, 1702 HoareAnnotationTreeSize, 3726 FomulaSimplifications, 2439 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 71 FomulaSimplificationsInter, 14066 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1406 ConstructedInterpolants, 0 QuantifiedInterpolants, 253361 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1729 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 166/174 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...