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_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:46,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:46,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:46,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:46,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:46,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:46,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:46,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:46,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:46,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:46,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:46,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:46,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:46,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:46,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:46,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:46,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:46,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:46,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:46,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:46,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:46,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:46,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:46,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:46,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:46,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:46,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:46,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:46,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:46,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:46,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:46,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:46,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:46,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:46,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:46,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:46,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:46,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:46,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:46,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:46,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:46,345 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 01:19:46,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:46,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:46,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:46,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:46,363 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:46,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:46,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:46,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:46,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:46,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:46,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:46,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:46,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:46,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:46,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:46,366 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:46,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:46,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:46,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:46,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:46,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:46,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:46,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:46,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:46,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:46,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:46,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:46,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:46,369 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 01:19:46,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:46,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:46,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:46,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:46,682 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:46,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-10-15 01:19:46,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476e50f5b/cf5dd5931eb34a4285ef25bcfcbb0dae/FLAG1e85372de [2019-10-15 01:19:47,311 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:47,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-10-15 01:19:47,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476e50f5b/cf5dd5931eb34a4285ef25bcfcbb0dae/FLAG1e85372de [2019-10-15 01:19:47,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/476e50f5b/cf5dd5931eb34a4285ef25bcfcbb0dae [2019-10-15 01:19:47,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:47,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:47,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:47,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:47,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:47,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:47" (1/1) ... [2019-10-15 01:19:47,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3fe7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:47, skipping insertion in model container [2019-10-15 01:19:47,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:47" (1/1) ... [2019-10-15 01:19:47,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:47,751 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:48,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:48,207 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:48,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:48,346 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:48,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48 WrapperNode [2019-10-15 01:19:48,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:48,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:48,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:48,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:48,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:48,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:48,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:48,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:48,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (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 01:19:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:49,743 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:49,743 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:49,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:49 BoogieIcfgContainer [2019-10-15 01:19:49,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:49,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:49,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:49,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:49,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:47" (1/3) ... [2019-10-15 01:19:49,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35213875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:49, skipping insertion in model container [2019-10-15 01:19:49,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (2/3) ... [2019-10-15 01:19:49,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35213875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:49, skipping insertion in model container [2019-10-15 01:19:49,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:49" (3/3) ... [2019-10-15 01:19:49,756 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2019-10-15 01:19:49,767 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:49,776 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:49,789 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:49,831 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:49,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:49,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:49,832 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:49,832 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:49,832 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:49,832 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:49,832 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2019-10-15 01:19:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:49,880 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,881 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 01:19:49,883 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1859141612, now seen corresponding path program 1 times [2019-10-15 01:19:49,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026470137] [2019-10-15 01:19:49,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,316 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 01:19:50,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026470137] [2019-10-15 01:19:50,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:50,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117815595] [2019-10-15 01:19:50,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:50,327 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:50,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:50,347 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2019-10-15 01:19:50,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,428 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2019-10-15 01:19:50,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:50,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:19:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,444 INFO L225 Difference]: With dead ends: 278 [2019-10-15 01:19:50,444 INFO L226 Difference]: Without dead ends: 141 [2019-10-15 01:19:50,450 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 01:19:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-15 01:19:50,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-15 01:19:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-15 01:19:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2019-10-15 01:19:50,509 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2019-10-15 01:19:50,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,510 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2019-10-15 01:19:50,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2019-10-15 01:19:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:50,514 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,515 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] [2019-10-15 01:19:50,515 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,515 INFO L82 PathProgramCache]: Analyzing trace with hash 2121847036, now seen corresponding path program 1 times [2019-10-15 01:19:50,516 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423447136] [2019-10-15 01:19:50,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,690 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 01:19:50,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423447136] [2019-10-15 01:19:50,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:50,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545217607] [2019-10-15 01:19:50,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:50,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:50,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:50,696 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2019-10-15 01:19:50,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,727 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2019-10-15 01:19:50,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:50,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:19:50,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,735 INFO L225 Difference]: With dead ends: 221 [2019-10-15 01:19:50,735 INFO L226 Difference]: Without dead ends: 132 [2019-10-15 01:19:50,738 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 01:19:50,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-15 01:19:50,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-10-15 01:19:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-15 01:19:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2019-10-15 01:19:50,758 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2019-10-15 01:19:50,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,759 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2019-10-15 01:19:50,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2019-10-15 01:19:50,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:19:50,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,762 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] [2019-10-15 01:19:50,762 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,762 INFO L82 PathProgramCache]: Analyzing trace with hash 51071948, now seen corresponding path program 1 times [2019-10-15 01:19:50,763 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270232792] [2019-10-15 01:19:50,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,899 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 01:19:50,900 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270232792] [2019-10-15 01:19:50,900 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,900 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:50,900 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553976062] [2019-10-15 01:19:50,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:50,901 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:50,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:50,902 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2019-10-15 01:19:51,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,495 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2019-10-15 01:19:51,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:51,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 01:19:51,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,501 INFO L225 Difference]: With dead ends: 391 [2019-10-15 01:19:51,501 INFO L226 Difference]: Without dead ends: 287 [2019-10-15 01:19:51,502 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 01:19:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-10-15 01:19:51,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2019-10-15 01:19:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-10-15 01:19:51,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2019-10-15 01:19:51,564 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2019-10-15 01:19:51,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,565 INFO L462 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2019-10-15 01:19:51,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2019-10-15 01:19:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 01:19:51,569 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,569 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:51,570 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1476511447, now seen corresponding path program 1 times [2019-10-15 01:19:51,573 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682670770] [2019-10-15 01:19:51,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,754 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 01:19:51,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682670770] [2019-10-15 01:19:51,755 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,755 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:51,755 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807012964] [2019-10-15 01:19:51,756 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:51,756 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:51,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:51,757 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2019-10-15 01:19:52,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:52,058 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2019-10-15 01:19:52,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:52,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-15 01:19:52,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:52,069 INFO L225 Difference]: With dead ends: 763 [2019-10-15 01:19:52,070 INFO L226 Difference]: Without dead ends: 512 [2019-10-15 01:19:52,075 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 01:19:52,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2019-10-15 01:19:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2019-10-15 01:19:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2019-10-15 01:19:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2019-10-15 01:19:52,148 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2019-10-15 01:19:52,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:52,149 INFO L462 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2019-10-15 01:19:52,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:52,149 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2019-10-15 01:19:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:19:52,162 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:52,162 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:52,162 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:52,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:52,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1658122107, now seen corresponding path program 1 times [2019-10-15 01:19:52,164 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:52,164 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330785660] [2019-10-15 01:19:52,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:52,165 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:52,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:52,316 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 01:19:52,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330785660] [2019-10-15 01:19:52,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:52,318 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:52,318 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950066946] [2019-10-15 01:19:52,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:52,320 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:52,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:52,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:52,322 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2019-10-15 01:19:53,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,054 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2019-10-15 01:19:53,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:53,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-15 01:19:53,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,062 INFO L225 Difference]: With dead ends: 1329 [2019-10-15 01:19:53,062 INFO L226 Difference]: Without dead ends: 851 [2019-10-15 01:19:53,065 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 01:19:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2019-10-15 01:19:53,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2019-10-15 01:19:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2019-10-15 01:19:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2019-10-15 01:19:53,125 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2019-10-15 01:19:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:53,125 INFO L462 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2019-10-15 01:19:53,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2019-10-15 01:19:53,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:53,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:53,129 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:53,129 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:53,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1979078966, now seen corresponding path program 1 times [2019-10-15 01:19:53,130 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:53,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558026906] [2019-10-15 01:19:53,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:53,215 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 01:19:53,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558026906] [2019-10-15 01:19:53,216 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:53,216 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:53,216 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011840637] [2019-10-15 01:19:53,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:53,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:53,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:53,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:53,218 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 4 states. [2019-10-15 01:19:53,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,587 INFO L93 Difference]: Finished difference Result 2784 states and 3604 transitions. [2019-10-15 01:19:53,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:53,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-15 01:19:53,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,604 INFO L225 Difference]: With dead ends: 2784 [2019-10-15 01:19:53,605 INFO L226 Difference]: Without dead ends: 2057 [2019-10-15 01:19:53,608 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 01:19:53,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2019-10-15 01:19:53,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2011. [2019-10-15 01:19:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2011 states. [2019-10-15 01:19:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2537 transitions. [2019-10-15 01:19:53,758 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2537 transitions. Word has length 103 [2019-10-15 01:19:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:53,758 INFO L462 AbstractCegarLoop]: Abstraction has 2011 states and 2537 transitions. [2019-10-15 01:19:53,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2537 transitions. [2019-10-15 01:19:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:53,764 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:53,764 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:53,765 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:53,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:53,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1738538837, now seen corresponding path program 1 times [2019-10-15 01:19:53,765 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:53,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550869629] [2019-10-15 01:19:53,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:53,840 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 01:19:53,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550869629] [2019-10-15 01:19:53,841 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:53,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:53,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125455821] [2019-10-15 01:19:53,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:53,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:53,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:53,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:53,843 INFO L87 Difference]: Start difference. First operand 2011 states and 2537 transitions. Second operand 6 states. [2019-10-15 01:19:53,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,966 INFO L93 Difference]: Finished difference Result 4078 states and 5370 transitions. [2019-10-15 01:19:53,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:53,967 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-15 01:19:53,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,983 INFO L225 Difference]: With dead ends: 4078 [2019-10-15 01:19:53,983 INFO L226 Difference]: Without dead ends: 2095 [2019-10-15 01:19:53,992 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 01:19:53,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2019-10-15 01:19:54,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2071. [2019-10-15 01:19:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2019-10-15 01:19:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2601 transitions. [2019-10-15 01:19:54,165 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2601 transitions. Word has length 103 [2019-10-15 01:19:54,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:54,165 INFO L462 AbstractCegarLoop]: Abstraction has 2071 states and 2601 transitions. [2019-10-15 01:19:54,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2601 transitions. [2019-10-15 01:19:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:19:54,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:54,175 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:54,175 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:54,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:54,177 INFO L82 PathProgramCache]: Analyzing trace with hash 189733865, now seen corresponding path program 1 times [2019-10-15 01:19:54,177 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:54,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935793782] [2019-10-15 01:19:54,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:54,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:54,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:54,301 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 01:19:54,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935793782] [2019-10-15 01:19:54,302 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:54,302 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:54,302 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960557650] [2019-10-15 01:19:54,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:54,303 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:54,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:54,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:54,304 INFO L87 Difference]: Start difference. First operand 2071 states and 2601 transitions. Second operand 8 states. [2019-10-15 01:19:54,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:54,430 INFO L93 Difference]: Finished difference Result 3758 states and 4868 transitions. [2019-10-15 01:19:54,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:54,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:19:54,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:54,443 INFO L225 Difference]: With dead ends: 3758 [2019-10-15 01:19:54,444 INFO L226 Difference]: Without dead ends: 1715 [2019-10-15 01:19:54,455 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 01:19:54,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2019-10-15 01:19:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2019-10-15 01:19:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1715 states. [2019-10-15 01:19:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2123 transitions. [2019-10-15 01:19:54,570 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2123 transitions. Word has length 103 [2019-10-15 01:19:54,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:54,571 INFO L462 AbstractCegarLoop]: Abstraction has 1715 states and 2123 transitions. [2019-10-15 01:19:54,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:54,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2123 transitions. [2019-10-15 01:19:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:19:54,576 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:54,576 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:54,576 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:54,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:54,577 INFO L82 PathProgramCache]: Analyzing trace with hash -237992882, now seen corresponding path program 1 times [2019-10-15 01:19:54,577 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:54,577 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360841764] [2019-10-15 01:19:54,577 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:54,577 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:54,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:54,763 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 01:19:54,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360841764] [2019-10-15 01:19:54,765 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861643854] [2019-10-15 01:19:54,765 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 01:19:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:55,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:55,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:55,386 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 01:19:55,387 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:56,375 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 01:19:56,376 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:56,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:56,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804944036] [2019-10-15 01:19:56,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:56,378 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:56,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:56,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:56,379 INFO L87 Difference]: Start difference. First operand 1715 states and 2123 transitions. Second operand 8 states. [2019-10-15 01:19:56,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:56,768 INFO L93 Difference]: Finished difference Result 3376 states and 4198 transitions. [2019-10-15 01:19:56,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:56,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:19:56,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:56,783 INFO L225 Difference]: With dead ends: 3376 [2019-10-15 01:19:56,784 INFO L226 Difference]: Without dead ends: 1689 [2019-10-15 01:19:56,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 197 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 01:19:56,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2019-10-15 01:19:56,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2019-10-15 01:19:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2019-10-15 01:19:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2047 transitions. [2019-10-15 01:19:56,937 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2047 transitions. Word has length 107 [2019-10-15 01:19:56,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:56,940 INFO L462 AbstractCegarLoop]: Abstraction has 1689 states and 2047 transitions. [2019-10-15 01:19:56,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2047 transitions. [2019-10-15 01:19:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-15 01:19:56,949 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:56,949 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, 1, 1, 1, 1, 1] [2019-10-15 01:19:57,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:57,156 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:57,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:57,157 INFO L82 PathProgramCache]: Analyzing trace with hash 926596768, now seen corresponding path program 1 times [2019-10-15 01:19:57,157 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:57,158 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577789938] [2019-10-15 01:19:57,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:57,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:57,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:57,338 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 01:19:57,339 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577789938] [2019-10-15 01:19:57,339 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170599565] [2019-10-15 01:19:57,339 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 01:19:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:57,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:57,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:57,784 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 01:19:57,785 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:58,282 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 01:19:58,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:58,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:58,283 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420366271] [2019-10-15 01:19:58,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:58,284 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:58,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:58,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:58,285 INFO L87 Difference]: Start difference. First operand 1689 states and 2047 transitions. Second operand 8 states. [2019-10-15 01:19:58,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:58,746 INFO L93 Difference]: Finished difference Result 2875 states and 3541 transitions. [2019-10-15 01:19:58,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:58,748 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2019-10-15 01:19:58,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:58,750 INFO L225 Difference]: With dead ends: 2875 [2019-10-15 01:19:58,750 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:58,759 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:58,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:58,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:58,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2019-10-15 01:19:58,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:58,761 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:58,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:58,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:58,967 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:58,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:00,283 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 15 [2019-10-15 01:20:01,119 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-15 01:20:01,338 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:20:01,515 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2019-10-15 01:20:01,868 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-10-15 01:20:02,134 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2019-10-15 01:20:02,268 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-10-15 01:20:02,746 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:20:02,864 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-10-15 01:20:03,109 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-15 01:20:03,629 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-15 01:20:03,751 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-15 01:20:04,014 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-15 01:20:04,169 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-10-15 01:20:04,702 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-10-15 01:20:04,723 INFO L443 ceAbstractionStarter]: For program point L186(lines 163 187) no Hoare annotation was computed. [2019-10-15 01:20:04,723 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L247(lines 220 248) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-15 01:20:04,724 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-10-15 01:20:04,725 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2019-10-15 01:20:04,725 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2019-10-15 01:20:04,725 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-15 01:20:04,725 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-10-15 01:20:04,725 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-15 01:20:04,725 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-15 01:20:04,725 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-15 01:20:04,725 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-15 01:20:04,725 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-10-15 01:20:04,726 INFO L439 ceAbstractionStarter]: At program point L578-1(line 578) 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 01:20:04,726 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) 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 01:20:04,726 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2019-10-15 01:20:04,726 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2019-10-15 01:20:04,726 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:04,726 INFO L439 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:04,727 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2019-10-15 01:20:04,727 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2019-10-15 01:20:04,727 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-15 01:20:04,727 INFO L439 ceAbstractionStarter]: At program point L579(line 579) 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 01:20:04,727 INFO L439 ceAbstractionStarter]: At program point L578(line 578) 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 01:20:04,727 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 529 552) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 529 552) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 529 552) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-15 01:20:04,728 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2019-10-15 01:20:04,729 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2019-10-15 01:20:04,730 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) 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 01:20:04,730 INFO L439 ceAbstractionStarter]: At program point L751(line 751) 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 01:20:04,730 INFO L443 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2019-10-15 01:20:04,730 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2019-10-15 01:20:04,730 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse1 (= processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:04,730 INFO L439 ceAbstractionStarter]: At program point L742(line 742) 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 01:20:04,730 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2019-10-15 01:20:04,730 INFO L439 ceAbstractionStarter]: At program point L738(line 738) 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 01:20:04,731 INFO L439 ceAbstractionStarter]: At program point L897(line 897) 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 01:20:04,731 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2019-10-15 01:20:04,731 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2019-10-15 01:20:04,731 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) 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 01:20:04,731 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2019-10-15 01:20:04,731 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2019-10-15 01:20:04,731 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2019-10-15 01:20:04,731 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2019-10-15 01:20:04,731 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-15 01:20:04,731 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 863) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 851) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2019-10-15 01:20:04,732 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 433) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 440) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) 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 01:20:04,733 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2019-10-15 01:20:04,733 INFO L439 ceAbstractionStarter]: At program point L566(line 566) 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 01:20:04,733 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2019-10-15 01:20:04,734 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2019-10-15 01:20:04,734 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2019-10-15 01:20:04,734 INFO L446 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2019-10-15 01:20:04,734 INFO L443 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2019-10-15 01:20:04,734 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) 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 01:20:04,734 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2019-10-15 01:20:04,734 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2019-10-15 01:20:04,735 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-10-15 01:20:04,735 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2019-10-15 01:20:04,735 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2019-10-15 01:20:04,735 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2019-10-15 01:20:04,735 INFO L439 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4)) (or .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse1))) [2019-10-15 01:20:04,735 INFO L443 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2019-10-15 01:20:04,736 INFO L439 ceAbstractionStarter]: At program point L764(line 764) 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 01:20:04,736 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-10-15 01:20:04,736 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2019-10-15 01:20:04,736 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2019-10-15 01:20:04,736 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) 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 01:20:04,736 INFO L439 ceAbstractionStarter]: At program point L777(line 777) 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 01:20:04,736 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2019-10-15 01:20:04,737 INFO L439 ceAbstractionStarter]: At program point L772(line 772) 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 01:20:04,737 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2019-10-15 01:20:04,737 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2019-10-15 01:20:04,737 INFO L439 ceAbstractionStarter]: At program point L929(line 929) 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 01:20:04,737 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 907 972) 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 01:20:04,737 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-10-15 01:20:04,738 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2019-10-15 01:20:04,738 INFO L443 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2019-10-15 01:20:04,738 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2019-10-15 01:20:04,738 INFO L439 ceAbstractionStarter]: At program point L965(lines 916 966) 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 01:20:04,738 INFO L439 ceAbstractionStarter]: At program point L955(line 955) 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 01:20:04,738 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2019-10-15 01:20:04,738 INFO L439 ceAbstractionStarter]: At program point L953-1(lines 947 960) 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 01:20:04,739 INFO L443 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2019-10-15 01:20:04,739 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2019-10-15 01:20:04,739 INFO L439 ceAbstractionStarter]: At program point L939(line 939) 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 01:20:04,739 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-15 01:20:04,739 INFO L443 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2019-10-15 01:20:04,739 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2019-10-15 01:20:04,739 INFO L439 ceAbstractionStarter]: At program point L962(lines 917 964) 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 01:20:04,740 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 387) no Hoare annotation was computed. [2019-10-15 01:20:04,740 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2019-10-15 01:20:04,740 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 394) no Hoare annotation was computed. [2019-10-15 01:20:04,740 INFO L443 ceAbstractionStarter]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2019-10-15 01:20:04,740 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2019-10-15 01:20:04,740 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2019-10-15 01:20:04,740 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) 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 01:20:04,740 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2019-10-15 01:20:04,741 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2019-10-15 01:20:04,741 INFO L439 ceAbstractionStarter]: At program point L479(line 479) 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 01:20:04,741 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2019-10-15 01:20:04,741 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2019-10-15 01:20:04,741 INFO L439 ceAbstractionStarter]: At program point L474(line 474) 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 01:20:04,741 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-10-15 01:20:04,741 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2019-10-15 01:20:04,741 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2019-10-15 01:20:04,742 INFO L446 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: true [2019-10-15 01:20:04,742 INFO L443 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2019-10-15 01:20:04,742 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: true [2019-10-15 01:20:04,742 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2019-10-15 01:20:04,742 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: true [2019-10-15 01:20:04,742 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2019-10-15 01:20:04,742 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 663) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 647 669) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 647 669) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 647 669) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-15 01:20:04,743 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 356) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point L327(lines 305 328) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 302) no Hoare annotation was computed. [2019-10-15 01:20:04,744 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 353) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 326) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 344) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:04,745 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:04,746 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:04,746 INFO L443 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2019-10-15 01:20:04,746 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2019-10-15 01:20:04,746 INFO L439 ceAbstractionStarter]: At program point L796(line 796) 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 01:20:04,746 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2019-10-15 01:20:04,746 INFO L443 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2019-10-15 01:20:04,746 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) 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 01:20:04,747 INFO L439 ceAbstractionStarter]: At program point L802(line 802) 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 01:20:04,747 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 670 678) no Hoare annotation was computed. [2019-10-15 01:20:04,747 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 670 678) no Hoare annotation was computed. [2019-10-15 01:20:04,747 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 670 678) no Hoare annotation was computed. [2019-10-15 01:20:04,747 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2019-10-15 01:20:04,747 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2019-10-15 01:20:04,747 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-10-15 01:20:04,748 INFO L443 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2019-10-15 01:20:04,748 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-10-15 01:20:04,748 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2019-10-15 01:20:04,748 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2019-10-15 01:20:04,748 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:04,748 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:04,748 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:04,748 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) 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 01:20:04,749 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2019-10-15 01:20:04,749 INFO L443 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2019-10-15 01:20:04,749 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2019-10-15 01:20:04,749 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2019-10-15 01:20:04,749 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2019-10-15 01:20:04,749 INFO L443 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2019-10-15 01:20:04,750 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) 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 01:20:04,750 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2019-10-15 01:20:04,750 INFO L439 ceAbstractionStarter]: At program point L713(line 713) 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 01:20:04,750 INFO L439 ceAbstractionStarter]: At program point L711(lines 711 717) 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 01:20:04,750 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2019-10-15 01:20:04,751 INFO L439 ceAbstractionStarter]: At program point L706(line 706) 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 01:20:04,751 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2019-10-15 01:20:04,751 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2019-10-15 01:20:04,751 INFO L446 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2019-10-15 01:20:04,751 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2019-10-15 01:20:04,751 INFO L443 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2019-10-15 01:20:04,751 INFO L446 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2019-10-15 01:20:04,751 INFO L446 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2019-10-15 01:20:04,752 INFO L443 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2019-10-15 01:20:04,752 INFO L446 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2019-10-15 01:20:04,752 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-15 01:20:04,752 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2019-10-15 01:20:04,752 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2019-10-15 01:20:04,752 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2019-10-15 01:20:04,752 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2019-10-15 01:20:04,752 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2019-10-15 01:20:04,753 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:04,753 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 01:20:04,753 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:04,753 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:04,753 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2019-10-15 01:20:04,753 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2019-10-15 01:20:04,753 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) 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 01:20:04,753 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:20:04,753 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:20:04,754 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:20:04,754 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:20:04,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:04 BoogieIcfgContainer [2019-10-15 01:20:04,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:04,771 INFO L168 Benchmark]: Toolchain (without parser) took 17108.43 ms. Allocated memory was 137.9 MB in the beginning and 496.0 MB in the end (delta: 358.1 MB). Free memory was 101.4 MB in the beginning and 187.3 MB in the end (delta: -85.9 MB). Peak memory consumption was 389.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:04,771 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 137.9 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:20:04,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.42 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 168.5 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:04,773 INFO L168 Benchmark]: Boogie Preprocessor took 95.19 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 163.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:04,774 INFO L168 Benchmark]: RCFGBuilder took 1302.36 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 163.6 MB in the beginning and 192.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:04,775 INFO L168 Benchmark]: TraceAbstraction took 15022.05 ms. Allocated memory was 233.8 MB in the beginning and 496.0 MB in the end (delta: 262.1 MB). Free memory was 192.5 MB in the beginning and 187.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 385.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:04,778 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 137.9 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.42 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 168.5 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.19 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 163.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1302.36 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 163.6 MB in the beginning and 192.5 MB in the end (delta: -28.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15022.05 ms. Allocated memory was 233.8 MB in the beginning and 496.0 MB in the end (delta: 262.1 MB). Free memory was 192.5 MB in the beginning and 187.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 385.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 917]: 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: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 1 error locations. Result: SAFE, OverallTime: 14.9s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, HoareTripleCheckerStatistics: 1950 SDtfs, 976 SDslu, 5079 SDs, 0 SdLazy, 1424 SolverSat, 138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 630 GetRequests, 532 SyntacticMatches, 12 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2071occurred 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, 65 LocationsWithAnnotation, 4338 PreInvPairs, 4585 NumberOfFragments, 1787 HoareAnnotationTreeSize, 4338 FomulaSimplifications, 3697 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14161 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1126 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1377 ConstructedInterpolants, 0 QuantifiedInterpolants, 237202 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1742 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...