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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:04,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:04,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:04,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:04,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:04,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:04,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:04,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:04,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:04,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:04,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:04,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:04,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:04,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:04,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:04,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:04,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:04,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:04,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:04,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:04,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:04,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:04,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:04,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:04,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:04,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:04,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:04,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:04,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:04,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:04,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:04,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:04,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:04,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:04,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:04,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:04,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:04,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:04,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:04,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:04,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:04,966 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 01:19:05,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:05,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:05,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:05,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:05,008 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:05,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:05,011 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:05,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:05,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:05,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:05,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:05,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:05,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:05,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:05,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:05,013 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:05,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:05,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:05,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:05,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:05,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:05,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:05,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:05,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:05,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:05,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:05,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:05,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:05,017 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 01:19:05,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:05,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:05,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:05,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:05,348 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:05,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2019-10-15 01:19:05,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2298041/bee0bbff65e74dc2a1ba30d108f975d6/FLAG60379522b [2019-10-15 01:19:06,000 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:06,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2019-10-15 01:19:06,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2298041/bee0bbff65e74dc2a1ba30d108f975d6/FLAG60379522b [2019-10-15 01:19:06,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2298041/bee0bbff65e74dc2a1ba30d108f975d6 [2019-10-15 01:19:06,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:06,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:06,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:06,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:06,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:06,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b70ff60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:06, skipping insertion in model container [2019-10-15 01:19:06,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:06" (1/1) ... [2019-10-15 01:19:06,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:06,457 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:06,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:07,002 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:07,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:07,148 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:07,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07 WrapperNode [2019-10-15 01:19:07,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:07,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:07,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:07,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:07,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:07,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:07,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:07,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:07,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:07,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (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 01:19:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:07,331 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:07,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:08,477 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:08,477 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:08,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:08 BoogieIcfgContainer [2019-10-15 01:19:08,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:08,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:08,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:08,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:08,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:06" (1/3) ... [2019-10-15 01:19:08,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fbfc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:07" (2/3) ... [2019-10-15 01:19:08,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fbfc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:08" (3/3) ... [2019-10-15 01:19:08,488 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2019-10-15 01:19:08,498 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:08,507 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:08,519 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:08,553 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:08,553 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:08,553 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:08,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:08,553 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:08,554 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:08,554 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:08,554 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2019-10-15 01:19:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:08,598 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:08,599 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 01:19:08,602 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:08,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:08,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1070296044, now seen corresponding path program 1 times [2019-10-15 01:19:08,619 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:08,619 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642555487] [2019-10-15 01:19:08,620 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,620 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,035 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 01:19:09,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642555487] [2019-10-15 01:19:09,037 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:09,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102652542] [2019-10-15 01:19:09,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:09,045 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:09,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:09,063 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2019-10-15 01:19:09,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:09,112 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2019-10-15 01:19:09,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:09,114 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:09,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,132 INFO L225 Difference]: With dead ends: 272 [2019-10-15 01:19:09,133 INFO L226 Difference]: Without dead ends: 136 [2019-10-15 01:19:09,138 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 01:19:09,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-15 01:19:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-10-15 01:19:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-15 01:19:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2019-10-15 01:19:09,197 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2019-10-15 01:19:09,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,198 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2019-10-15 01:19:09,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2019-10-15 01:19:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:09,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,202 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 01:19:09,203 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,203 INFO L82 PathProgramCache]: Analyzing trace with hash 689119196, now seen corresponding path program 1 times [2019-10-15 01:19:09,203 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948146690] [2019-10-15 01:19:09,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,332 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 01:19:09,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948146690] [2019-10-15 01:19:09,333 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,334 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:09,334 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888573667] [2019-10-15 01:19:09,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:09,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:09,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:09,340 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 3 states. [2019-10-15 01:19:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:09,392 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2019-10-15 01:19:09,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:09,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:09,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,400 INFO L225 Difference]: With dead ends: 215 [2019-10-15 01:19:09,400 INFO L226 Difference]: Without dead ends: 127 [2019-10-15 01:19:09,404 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 01:19:09,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-15 01:19:09,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-15 01:19:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-15 01:19:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2019-10-15 01:19:09,433 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2019-10-15 01:19:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,434 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2019-10-15 01:19:09,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2019-10-15 01:19:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:09,439 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,439 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 01:19:09,439 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1659347680, now seen corresponding path program 1 times [2019-10-15 01:19:09,440 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,440 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106521300] [2019-10-15 01:19:09,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,591 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 01:19:09,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106521300] [2019-10-15 01:19:09,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,592 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:09,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650847000] [2019-10-15 01:19:09,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:09,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:09,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:09,594 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 7 states. [2019-10-15 01:19:10,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,164 INFO L93 Difference]: Finished difference Result 383 states and 468 transitions. [2019-10-15 01:19:10,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:10,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:19:10,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,170 INFO L225 Difference]: With dead ends: 383 [2019-10-15 01:19:10,170 INFO L226 Difference]: Without dead ends: 280 [2019-10-15 01:19:10,172 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 01:19:10,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-10-15 01:19:10,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2019-10-15 01:19:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2019-10-15 01:19:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2019-10-15 01:19:10,207 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 51 [2019-10-15 01:19:10,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,208 INFO L462 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2019-10-15 01:19:10,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2019-10-15 01:19:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:10,211 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,211 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 01:19:10,214 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,215 INFO L82 PathProgramCache]: Analyzing trace with hash -2103406603, now seen corresponding path program 1 times [2019-10-15 01:19:10,215 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959063399] [2019-10-15 01:19:10,215 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,368 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 01:19:10,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959063399] [2019-10-15 01:19:10,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:10,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373941179] [2019-10-15 01:19:10,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:10,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:10,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:10,370 INFO L87 Difference]: Start difference. First operand 272 states and 332 transitions. Second operand 6 states. [2019-10-15 01:19:10,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,648 INFO L93 Difference]: Finished difference Result 753 states and 944 transitions. [2019-10-15 01:19:10,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:10,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-15 01:19:10,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,663 INFO L225 Difference]: With dead ends: 753 [2019-10-15 01:19:10,664 INFO L226 Difference]: Without dead ends: 505 [2019-10-15 01:19:10,671 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 01:19:10,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-10-15 01:19:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 499. [2019-10-15 01:19:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-10-15 01:19:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 614 transitions. [2019-10-15 01:19:10,754 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 614 transitions. Word has length 57 [2019-10-15 01:19:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,764 INFO L462 AbstractCegarLoop]: Abstraction has 499 states and 614 transitions. [2019-10-15 01:19:10,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 614 transitions. [2019-10-15 01:19:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:19:10,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,774 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 01:19:10,774 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1216252231, now seen corresponding path program 1 times [2019-10-15 01:19:10,778 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409090998] [2019-10-15 01:19:10,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,929 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 01:19:10,930 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409090998] [2019-10-15 01:19:10,930 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,930 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:10,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266250792] [2019-10-15 01:19:10,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:10,934 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:10,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:10,936 INFO L87 Difference]: Start difference. First operand 499 states and 614 transitions. Second operand 7 states. [2019-10-15 01:19:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,649 INFO L93 Difference]: Finished difference Result 1320 states and 1731 transitions. [2019-10-15 01:19:11,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:11,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-15 01:19:11,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,656 INFO L225 Difference]: With dead ends: 1320 [2019-10-15 01:19:11,656 INFO L226 Difference]: Without dead ends: 845 [2019-10-15 01:19:11,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:11,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-15 01:19:11,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 749. [2019-10-15 01:19:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2019-10-15 01:19:11,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 911 transitions. [2019-10-15 01:19:11,717 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 911 transitions. Word has length 61 [2019-10-15 01:19:11,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,718 INFO L462 AbstractCegarLoop]: Abstraction has 749 states and 911 transitions. [2019-10-15 01:19:11,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 911 transitions. [2019-10-15 01:19:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:11,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,721 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] [2019-10-15 01:19:11,721 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1403376364, now seen corresponding path program 1 times [2019-10-15 01:19:11,722 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,722 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853862269] [2019-10-15 01:19:11,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,809 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 01:19:11,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853862269] [2019-10-15 01:19:11,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:11,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:11,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141692787] [2019-10-15 01:19:11,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:11,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:11,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:11,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:11,811 INFO L87 Difference]: Start difference. First operand 749 states and 911 transitions. Second operand 4 states. [2019-10-15 01:19:12,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,137 INFO L93 Difference]: Finished difference Result 2772 states and 3584 transitions. [2019-10-15 01:19:12,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:12,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-15 01:19:12,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,151 INFO L225 Difference]: With dead ends: 2772 [2019-10-15 01:19:12,152 INFO L226 Difference]: Without dead ends: 2047 [2019-10-15 01:19:12,155 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 01:19:12,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2019-10-15 01:19:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2001. [2019-10-15 01:19:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2019-10-15 01:19:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2521 transitions. [2019-10-15 01:19:12,279 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2521 transitions. Word has length 98 [2019-10-15 01:19:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:12,279 INFO L462 AbstractCegarLoop]: Abstraction has 2001 states and 2521 transitions. [2019-10-15 01:19:12,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2521 transitions. [2019-10-15 01:19:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:12,284 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:12,284 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] [2019-10-15 01:19:12,285 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:12,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:12,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1411135723, now seen corresponding path program 1 times [2019-10-15 01:19:12,285 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:12,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819127336] [2019-10-15 01:19:12,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,360 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 01:19:12,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819127336] [2019-10-15 01:19:12,361 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:12,361 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937153236] [2019-10-15 01:19:12,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:12,362 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:12,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:12,363 INFO L87 Difference]: Start difference. First operand 2001 states and 2521 transitions. Second operand 6 states. [2019-10-15 01:19:12,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,486 INFO L93 Difference]: Finished difference Result 4062 states and 5342 transitions. [2019-10-15 01:19:12,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:12,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-15 01:19:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,502 INFO L225 Difference]: With dead ends: 4062 [2019-10-15 01:19:12,502 INFO L226 Difference]: Without dead ends: 2085 [2019-10-15 01:19:12,510 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 01:19:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2019-10-15 01:19:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2061. [2019-10-15 01:19:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2019-10-15 01:19:12,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2585 transitions. [2019-10-15 01:19:12,731 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2585 transitions. Word has length 98 [2019-10-15 01:19:12,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:12,731 INFO L462 AbstractCegarLoop]: Abstraction has 2061 states and 2585 transitions. [2019-10-15 01:19:12,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:12,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2585 transitions. [2019-10-15 01:19:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:12,745 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:12,745 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] [2019-10-15 01:19:12,745 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:12,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1990345235, now seen corresponding path program 1 times [2019-10-15 01:19:12,747 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:12,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869446140] [2019-10-15 01:19:12,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,892 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 01:19:12,893 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869446140] [2019-10-15 01:19:12,893 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,893 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:12,893 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129050456] [2019-10-15 01:19:12,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:12,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:12,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:12,896 INFO L87 Difference]: Start difference. First operand 2061 states and 2585 transitions. Second operand 8 states. [2019-10-15 01:19:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:13,018 INFO L93 Difference]: Finished difference Result 3744 states and 4844 transitions. [2019-10-15 01:19:13,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:13,019 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-15 01:19:13,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:13,033 INFO L225 Difference]: With dead ends: 3744 [2019-10-15 01:19:13,033 INFO L226 Difference]: Without dead ends: 1707 [2019-10-15 01:19:13,041 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 01:19:13,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-10-15 01:19:13,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2019-10-15 01:19:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-10-15 01:19:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2111 transitions. [2019-10-15 01:19:13,139 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2111 transitions. Word has length 98 [2019-10-15 01:19:13,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:13,140 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 2111 transitions. [2019-10-15 01:19:13,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2111 transitions. [2019-10-15 01:19:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:19:13,144 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:13,145 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] [2019-10-15 01:19:13,145 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:13,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:13,145 INFO L82 PathProgramCache]: Analyzing trace with hash 860662504, now seen corresponding path program 1 times [2019-10-15 01:19:13,145 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:13,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89626976] [2019-10-15 01:19:13,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,307 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 01:19:13,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89626976] [2019-10-15 01:19:13,309 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463457863] [2019-10-15 01:19:13,309 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 01:19:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:13,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:13,742 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 01:19:13,743 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:14,801 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 01:19:14,802 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:14,802 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:14,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838143862] [2019-10-15 01:19:14,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:14,803 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:14,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:14,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:14,804 INFO L87 Difference]: Start difference. First operand 1707 states and 2111 transitions. Second operand 8 states. [2019-10-15 01:19:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:15,453 INFO L93 Difference]: Finished difference Result 3364 states and 4178 transitions. [2019-10-15 01:19:15,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:15,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-15 01:19:15,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:15,466 INFO L225 Difference]: With dead ends: 3364 [2019-10-15 01:19:15,467 INFO L226 Difference]: Without dead ends: 1681 [2019-10-15 01:19:15,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 7 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 01:19:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2019-10-15 01:19:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1681. [2019-10-15 01:19:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2019-10-15 01:19:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2035 transitions. [2019-10-15 01:19:15,592 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2035 transitions. Word has length 102 [2019-10-15 01:19:15,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:15,593 INFO L462 AbstractCegarLoop]: Abstraction has 1681 states and 2035 transitions. [2019-10-15 01:19:15,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2035 transitions. [2019-10-15 01:19:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 01:19:15,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:15,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:15,821 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:15,821 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1025619864, now seen corresponding path program 1 times [2019-10-15 01:19:15,822 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786111216] [2019-10-15 01:19:15,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:16,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786111216] [2019-10-15 01:19:16,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453685545] [2019-10-15 01:19:16,043 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 01:19:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:16,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:16,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:16,564 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:17,115 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:17,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:17,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944331532] [2019-10-15 01:19:17,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:17,116 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:17,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:17,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:17,117 INFO L87 Difference]: Start difference. First operand 1681 states and 2035 transitions. Second operand 8 states. [2019-10-15 01:19:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:17,665 INFO L93 Difference]: Finished difference Result 2867 states and 3529 transitions. [2019-10-15 01:19:17,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:17,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2019-10-15 01:19:17,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:17,674 INFO L225 Difference]: With dead ends: 2867 [2019-10-15 01:19:17,675 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:17,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 291 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 01:19:17,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:17,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:17,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2019-10-15 01:19:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,686 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:17,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:17,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:17,893 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:17,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:19,537 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2019-10-15 01:19:19,734 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:19:19,859 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-10-15 01:19:20,145 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-15 01:19:20,538 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-10-15 01:19:20,703 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2019-10-15 01:19:20,999 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-15 01:19:21,481 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-10-15 01:19:21,713 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2019-10-15 01:19:21,960 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-15 01:19:22,074 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-10-15 01:19:22,265 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:19:22,669 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-15 01:19:22,921 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-15 01:19:23,487 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-10-15 01:19:23,573 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point L598(lines 575 599) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 586) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2019-10-15 01:19:23,574 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 643) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point L659(lines 632 660) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point L652(line 652) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point L652-1(line 652) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2019-10-15 01:19:23,575 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2019-10-15 01:19:23,576 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-15 01:19:23,576 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2019-10-15 01:19:23,576 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2019-10-15 01:19:23,576 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2019-10-15 01:19:23,576 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 937 959) 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 01:19:23,576 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2019-10-15 01:19:23,576 INFO L439 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~9 1) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:23,577 INFO L439 ceAbstractionStarter]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~9 1) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:23,577 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2019-10-15 01:19:23,577 INFO L443 ceAbstractionStarter]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2019-10-15 01:19:23,577 INFO L443 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2019-10-15 01:19:23,577 INFO L439 ceAbstractionStarter]: At program point L944(line 944) 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 01:19:23,577 INFO L439 ceAbstractionStarter]: At program point L943(line 943) 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 01:19:23,578 INFO L439 ceAbstractionStarter]: At program point L943-1(line 943) 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 01:19:23,578 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2019-10-15 01:19:23,578 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 896 919) no Hoare annotation was computed. [2019-10-15 01:19:23,578 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 896 919) no Hoare annotation was computed. [2019-10-15 01:19:23,578 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 896 919) no Hoare annotation was computed. [2019-10-15 01:19:23,578 INFO L443 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2019-10-15 01:19:23,578 INFO L443 ceAbstractionStarter]: For program point L913(line 913) no Hoare annotation was computed. [2019-10-15 01:19:23,578 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L911(line 911) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L910(line 910) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-10-15 01:19:23,579 INFO L443 ceAbstractionStarter]: For program point L904(line 904) no Hoare annotation was computed. [2019-10-15 01:19:23,580 INFO L443 ceAbstractionStarter]: For program point L903(line 903) no Hoare annotation was computed. [2019-10-15 01:19:23,580 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-10-15 01:19:23,580 INFO L443 ceAbstractionStarter]: For program point L901(line 901) no Hoare annotation was computed. [2019-10-15 01:19:23,580 INFO L439 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:23,580 INFO L443 ceAbstractionStarter]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2019-10-15 01:19:23,580 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:19:23,580 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= processEnvironment__wrappee__methaneQuery_~tmp~1 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:23,580 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2019-10-15 01:19:23,580 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2019-10-15 01:19:23,580 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 272) no Hoare annotation was computed. [2019-10-15 01:19:23,581 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:19:23,581 INFO L443 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2019-10-15 01:19:23,581 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 277) no Hoare annotation was computed. [2019-10-15 01:19:23,581 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2019-10-15 01:19:23,581 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (or .cse6 .cse5) .cse7) (or .cse2 .cse1 .cse5) (or .cse0 .cse3 .cse4))) [2019-10-15 01:19:23,581 INFO L439 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse2 .cse1 .cse6) (or .cse3 .cse6) (or .cse0 .cse4 .cse5))) [2019-10-15 01:19:23,581 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2019-10-15 01:19:23,581 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2019-10-15 01:19:23,581 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 387) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 375) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 360 395) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point L367-2(lines 367 375) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 360 395) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point L390(line 390) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 360 395) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2019-10-15 01:19:23,582 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2019-10-15 01:19:23,582 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 852) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2019-10-15 01:19:23,583 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 927 936) 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 01:19:23,583 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2019-10-15 01:19:23,584 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2019-10-15 01:19:23,584 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2019-10-15 01:19:23,584 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2019-10-15 01:19:23,584 INFO L446 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2019-10-15 01:19:23,584 INFO L443 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2019-10-15 01:19:23,584 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2019-10-15 01:19:23,584 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:23,584 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2019-10-15 01:19:23,584 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2019-10-15 01:19:23,585 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2019-10-15 01:19:23,585 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2019-10-15 01:19:23,585 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2019-10-15 01:19:23,585 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2019-10-15 01:19:23,585 INFO L439 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2019-10-15 01:19:23,585 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-15 01:19:23,585 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 303) no Hoare annotation was computed. [2019-10-15 01:19:23,586 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2019-10-15 01:19:23,586 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:23,586 INFO L439 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:19:23,586 INFO L443 ceAbstractionStarter]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2019-10-15 01:19:23,586 INFO L439 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:19:23,586 INFO L439 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 (and .cse3 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse1))) [2019-10-15 01:19:23,587 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 298) no Hoare annotation was computed. [2019-10-15 01:19:23,587 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2019-10-15 01:19:23,587 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2019-10-15 01:19:23,587 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 432 497) 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 01:19:23,587 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 448) no Hoare annotation was computed. [2019-10-15 01:19:23,587 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2019-10-15 01:19:23,587 INFO L439 ceAbstractionStarter]: At program point L490(lines 441 491) 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 01:19:23,588 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:19:23,588 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-15 01:19:23,588 INFO L439 ceAbstractionStarter]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:19:23,588 INFO L443 ceAbstractionStarter]: For program point L443(lines 442 489) no Hoare annotation was computed. [2019-10-15 01:19:23,588 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 485) no Hoare annotation was computed. [2019-10-15 01:19:23,588 INFO L439 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:23,589 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 468) no Hoare annotation was computed. [2019-10-15 01:19:23,589 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2019-10-15 01:19:23,589 INFO L439 ceAbstractionStarter]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:19:23,589 INFO L439 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (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 01:19:23,589 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2019-10-15 01:19:23,589 INFO L443 ceAbstractionStarter]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2019-10-15 01:19:23,589 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2019-10-15 01:19:23,590 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2019-10-15 01:19:23,590 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 799) no Hoare annotation was computed. [2019-10-15 01:19:23,590 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2019-10-15 01:19:23,590 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 806) no Hoare annotation was computed. [2019-10-15 01:19:23,590 INFO L443 ceAbstractionStarter]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2019-10-15 01:19:23,590 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2019-10-15 01:19:23,590 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) 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 01:19:23,590 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point L177(lines 177 185) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 169 191) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 169 191) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 169 191) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 82 91) no Hoare annotation was computed. [2019-10-15 01:19:23,591 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 714) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 765) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point L719(lines 718 738) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 756) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2019-10-15 01:19:23,592 INFO L443 ceAbstractionStarter]: For program point L734(line 734) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point L734-1(line 734) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 768) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 724) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point L739(lines 717 740) no Hoare annotation was computed. [2019-10-15 01:19:23,593 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,594 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:19:23,594 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,594 INFO L439 ceAbstractionStarter]: At program point L320(line 320) 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 01:19:23,594 INFO L443 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2019-10-15 01:19:23,594 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2019-10-15 01:19:23,594 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 315 331) 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 01:19:23,595 INFO L439 ceAbstractionStarter]: At program point L326(line 326) 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 01:19:23,595 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2019-10-15 01:19:23,595 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-15 01:19:23,595 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:19:23,595 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:19:23,595 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:19:23,595 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2019-10-15 01:19:23,596 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2019-10-15 01:19:23,596 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2019-10-15 01:19:23,596 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2019-10-15 01:19:23,596 INFO L446 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: true [2019-10-15 01:19:23,596 INFO L443 ceAbstractionStarter]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2019-10-15 01:19:23,596 INFO L443 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2019-10-15 01:19:23,596 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 148 159) 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 .cse1 (= ~systemActive~0 0) .cse2))) [2019-10-15 01:19:23,596 INFO L443 ceAbstractionStarter]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2019-10-15 01:19:23,597 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2019-10-15 01:19:23,597 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,597 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,597 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,597 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2019-10-15 01:19:23,597 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2019-10-15 01:19:23,597 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2019-10-15 01:19:23,598 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse11)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse6 (and .cse11 .cse10)) (.cse7 (not .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse2 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse3 .cse8) (or .cse9 .cse1 .cse3) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse1 .cse9) (or .cse4 .cse0 .cse2 .cse1) (or .cse4 .cse0 .cse5 .cse8))))) [2019-10-15 01:19:23,598 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse6 (not .cse1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse7) (or .cse8 .cse9 .cse3) (or .cse1 .cse4 .cse0 .cse2) (or .cse5 .cse0 .cse3 .cse6) (or .cse7 .cse0 .cse3) (or .cse4 .cse9 .cse8)))) [2019-10-15 01:19:23,598 INFO L439 ceAbstractionStarter]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse10 (not .cse11)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse11 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse10 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= 0 ~methaneLevelCritical~0) .cse10 (not (= 0 ~systemActive~0)))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse4 .cse6 .cse9) (or .cse0 .cse8 .cse9))))) [2019-10-15 01:19:23,598 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2019-10-15 01:19:23,598 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2019-10-15 01:19:23,599 INFO L439 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-10-15 01:19:23,599 INFO L443 ceAbstractionStarter]: For program point L228(lines 227 246) no Hoare annotation was computed. [2019-10-15 01:19:23,599 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2019-10-15 01:19:23,599 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2019-10-15 01:19:23,599 INFO L446 ceAbstractionStarter]: At program point L891(lines 866 895) the Hoare annotation is: true [2019-10-15 01:19:23,599 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-15 01:19:23,599 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-10-15 01:19:23,600 INFO L446 ceAbstractionStarter]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2019-10-15 01:19:23,600 INFO L443 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2019-10-15 01:19:23,600 INFO L446 ceAbstractionStarter]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2019-10-15 01:19:23,600 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-15 01:19:23,600 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-15 01:19:23,600 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2019-10-15 01:19:23,600 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: true [2019-10-15 01:19:23,600 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2019-10-15 01:19:23,600 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2019-10-15 01:19:23,601 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2019-10-15 01:19:23,601 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,601 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 01:19:23,601 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:23,601 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:23,601 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2019-10-15 01:19:23,601 INFO L443 ceAbstractionStarter]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2019-10-15 01:19:23,602 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:23,602 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2019-10-15 01:19:23,602 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2019-10-15 01:19:23,602 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2019-10-15 01:19:23,602 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2019-10-15 01:19:23,602 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-15 01:19:23,603 INFO L439 ceAbstractionStarter]: At program point L57(line 57) 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 01:19:23,603 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-15 01:19:23,603 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-15 01:19:23,603 INFO L439 ceAbstractionStarter]: At program point L53(line 53) 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 01:19:23,603 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-15 01:19:23,603 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-15 01:19:23,603 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-15 01:19:23,603 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-15 01:19:23,603 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-15 01:19:23,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:23 BoogieIcfgContainer [2019-10-15 01:19:23,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:23,621 INFO L168 Benchmark]: Toolchain (without parser) took 17253.19 ms. Allocated memory was 138.9 MB in the beginning and 479.7 MB in the end (delta: 340.8 MB). Free memory was 102.4 MB in the beginning and 104.3 MB in the end (delta: -1.9 MB). Peak memory consumption was 363.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,622 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.35 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 170.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,624 INFO L168 Benchmark]: Boogie Preprocessor took 104.19 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,625 INFO L168 Benchmark]: RCFGBuilder took 1224.86 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 197.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,626 INFO L168 Benchmark]: TraceAbstraction took 15139.15 ms. Allocated memory was 235.9 MB in the beginning and 479.7 MB in the end (delta: 243.8 MB). Free memory was 197.0 MB in the beginning and 104.3 MB in the end (delta: 92.7 MB). Peak memory consumption was 361.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:23,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.35 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 170.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.19 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1224.86 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.9 MB in the beginning and 197.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15139.15 ms. Allocated memory was 235.9 MB in the beginning and 479.7 MB in the end (delta: 243.8 MB). Free memory was 197.0 MB in the beginning and 104.3 MB in the end (delta: 92.7 MB). Peak memory consumption was 361.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Result: SAFE, OverallTime: 15.0s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, HoareTripleCheckerStatistics: 1889 SDtfs, 948 SDslu, 5188 SDs, 0 SdLazy, 1408 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 512 SyntacticMatches, 12 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2061occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 180 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4336 PreInvPairs, 4583 NumberOfFragments, 1756 HoareAnnotationTreeSize, 4336 FomulaSimplifications, 3697 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 14126 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1066 NumberOfCodeBlocks, 1066 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1307 ConstructedInterpolants, 0 QuantifiedInterpolants, 219291 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1666 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 154/162 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...