/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:35:15,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:35:15,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:35:15,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:35:15,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:35:15,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:35:15,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:35:15,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:35:15,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:35:15,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:35:15,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:35:15,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:35:15,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:35:15,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:35:15,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:35:15,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:35:15,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:35:15,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:35:15,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:35:15,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:35:15,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:35:15,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:35:15,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:35:15,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:35:15,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:35:15,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:35:15,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:35:15,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:35:15,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:35:15,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:35:15,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:35:15,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:35:15,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:35:15,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:35:15,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:35:15,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:35:15,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:35:15,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:35:15,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:35:15,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:35:15,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:35:15,278 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 [2019-11-07 04:35:15,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:35:15,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:35:15,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:35:15,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:35:15,309 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:35:15,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:35:15,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:35:15,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:35:15,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:35:15,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:35:15,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:35:15,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:35:15,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:35:15,312 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:35:15,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:35:15,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:35:15,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:35:15,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:35:15,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:35:15,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:35:15,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:35:15,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:35:15,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:35:15,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:35:15,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:35:15,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:35:15,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:35:15,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:35:15,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:35:15,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:35:15,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:35:15,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:35:15,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:35:15,600 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:35:15,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-11-07 04:35:15,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5143b365c/4cd08848cdd14ca2aebd4c4667ce7366/FLAG47cee5a79 [2019-11-07 04:35:16,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:35:16,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-11-07 04:35:16,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5143b365c/4cd08848cdd14ca2aebd4c4667ce7366/FLAG47cee5a79 [2019-11-07 04:35:16,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5143b365c/4cd08848cdd14ca2aebd4c4667ce7366 [2019-11-07 04:35:16,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:35:16,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:35:16,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:16,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:35:16,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:35:16,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a57625e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16, skipping insertion in model container [2019-11-07 04:35:16,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:35:16,634 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:35:17,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:17,133 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:35:17,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:17,278 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:35:17,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17 WrapperNode [2019-11-07 04:35:17,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:17,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:35:17,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:35:17,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:35:17,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2019-11-07 04:35:17,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2019-11-07 04:35:17,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2019-11-07 04:35:17,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2019-11-07 04:35:17,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2019-11-07 04:35:17,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2019-11-07 04:35:17,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2019-11-07 04:35:17,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:35:17,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:35:17,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:35:17,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:35:17,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:35:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:35:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:35:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:35:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:35:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:35:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:35:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:35:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:35:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:35:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:35:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:35:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:35:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:35:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:35:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:35:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:35:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:35:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:35:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:35:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:35:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:35:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:35:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:35:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:35:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:35:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:35:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:35:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:35:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:35:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:35:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:35:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:35:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:35:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:35:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:35:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:35:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:35:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:35:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:35:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:35:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:35:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:35:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:35:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:35:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:35:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:35:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:35:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:35:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:35:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:35:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:35:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:35:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:35:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:35:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:35:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:35:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:35:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:35:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:35:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:35:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:35:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:35:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:35:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:35:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:35:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:35:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:35:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:35:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:35:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:35:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:35:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:35:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:35:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:35:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:35:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:35:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:35:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:35:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:35:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:35:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:35:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:35:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:35:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:35:19,143 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:35:19,143 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:35:19,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:19 BoogieIcfgContainer [2019-11-07 04:35:19,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:35:19,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:35:19,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:35:19,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:35:19,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:16" (1/3) ... [2019-11-07 04:35:19,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5f5ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:19, skipping insertion in model container [2019-11-07 04:35:19,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (2/3) ... [2019-11-07 04:35:19,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5f5ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:19, skipping insertion in model container [2019-11-07 04:35:19,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:19" (3/3) ... [2019-11-07 04:35:19,153 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2019-11-07 04:35:19,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:35:19,174 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:35:19,186 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:35:19,231 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:35:19,231 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:35:19,231 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:35:19,231 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:35:19,232 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:35:19,232 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:35:19,232 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:35:19,233 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:35:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-11-07 04:35:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:35:19,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:19,284 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:19,288 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:19,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:19,294 INFO L82 PathProgramCache]: Analyzing trace with hash 125856926, now seen corresponding path program 1 times [2019-11-07 04:35:19,305 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:19,305 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608889949] [2019-11-07 04:35:19,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:19,703 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608889949] [2019-11-07 04:35:19,704 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:19,704 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:35:19,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622239606] [2019-11-07 04:35:19,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:35:19,711 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:19,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:35:19,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:35:19,728 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-11-07 04:35:19,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:19,778 INFO L93 Difference]: Finished difference Result 244 states and 297 transitions. [2019-11-07 04:35:19,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:35:19,779 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:35:19,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:19,794 INFO L225 Difference]: With dead ends: 244 [2019-11-07 04:35:19,794 INFO L226 Difference]: Without dead ends: 124 [2019-11-07 04:35:19,799 INFO L630 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 [2019-11-07 04:35:19,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-07 04:35:19,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-11-07 04:35:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-07 04:35:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2019-11-07 04:35:19,861 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2019-11-07 04:35:19,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:19,862 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2019-11-07 04:35:19,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:35:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2019-11-07 04:35:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:35:19,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:19,867 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:19,867 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:19,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:19,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1363929903, now seen corresponding path program 1 times [2019-11-07 04:35:19,868 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:19,868 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140855112] [2019-11-07 04:35:19,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:19,998 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140855112] [2019-11-07 04:35:19,998 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:19,998 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:35:19,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612161823] [2019-11-07 04:35:20,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:35:20,002 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:20,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:35:20,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:35:20,003 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 3 states. [2019-11-07 04:35:20,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:20,036 INFO L93 Difference]: Finished difference Result 192 states and 222 transitions. [2019-11-07 04:35:20,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:35:20,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:35:20,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:20,040 INFO L225 Difference]: With dead ends: 192 [2019-11-07 04:35:20,040 INFO L226 Difference]: Without dead ends: 116 [2019-11-07 04:35:20,041 INFO L630 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 [2019-11-07 04:35:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-07 04:35:20,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-07 04:35:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-07 04:35:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2019-11-07 04:35:20,062 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 53 [2019-11-07 04:35:20,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:20,063 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2019-11-07 04:35:20,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:35:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2019-11-07 04:35:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 04:35:20,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:20,068 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:20,069 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:20,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:20,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1968233806, now seen corresponding path program 1 times [2019-11-07 04:35:20,071 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:20,071 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146240119] [2019-11-07 04:35:20,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:20,266 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146240119] [2019-11-07 04:35:20,266 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:20,266 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:20,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59229820] [2019-11-07 04:35:20,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:20,269 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:20,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:20,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:20,270 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 7 states. [2019-11-07 04:35:20,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:20,824 INFO L93 Difference]: Finished difference Result 348 states and 416 transitions. [2019-11-07 04:35:20,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:35:20,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-11-07 04:35:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:20,832 INFO L225 Difference]: With dead ends: 348 [2019-11-07 04:35:20,832 INFO L226 Difference]: Without dead ends: 257 [2019-11-07 04:35:20,834 INFO L630 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 [2019-11-07 04:35:20,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-11-07 04:35:20,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 245. [2019-11-07 04:35:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-11-07 04:35:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 292 transitions. [2019-11-07 04:35:20,887 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 292 transitions. Word has length 57 [2019-11-07 04:35:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:20,888 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 292 transitions. [2019-11-07 04:35:20,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 292 transitions. [2019-11-07 04:35:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:35:20,895 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:20,896 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:20,896 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:20,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:20,896 INFO L82 PathProgramCache]: Analyzing trace with hash -2070607786, now seen corresponding path program 1 times [2019-11-07 04:35:20,899 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:20,900 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185613093] [2019-11-07 04:35:20,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:35:21,061 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185613093] [2019-11-07 04:35:21,061 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:21,062 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:21,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066070131] [2019-11-07 04:35:21,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:21,063 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:21,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:21,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:21,063 INFO L87 Difference]: Start difference. First operand 245 states and 292 transitions. Second operand 7 states. [2019-11-07 04:35:21,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:21,774 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2019-11-07 04:35:21,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:35:21,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:35:21,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:21,780 INFO L225 Difference]: With dead ends: 634 [2019-11-07 04:35:21,780 INFO L226 Difference]: Without dead ends: 414 [2019-11-07 04:35:21,783 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:35:21,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-11-07 04:35:21,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 363. [2019-11-07 04:35:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-11-07 04:35:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 432 transitions. [2019-11-07 04:35:21,833 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 432 transitions. Word has length 61 [2019-11-07 04:35:21,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:21,834 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 432 transitions. [2019-11-07 04:35:21,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 432 transitions. [2019-11-07 04:35:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-07 04:35:21,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:21,836 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:21,836 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:21,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:21,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1882400771, now seen corresponding path program 1 times [2019-11-07 04:35:21,837 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:21,837 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527059191] [2019-11-07 04:35:21,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:22,106 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527059191] [2019-11-07 04:35:22,106 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:22,106 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:35:22,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213351359] [2019-11-07 04:35:22,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:35:22,109 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:22,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:35:22,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:35:22,110 INFO L87 Difference]: Start difference. First operand 363 states and 432 transitions. Second operand 12 states. [2019-11-07 04:35:23,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:23,072 INFO L93 Difference]: Finished difference Result 1110 states and 1343 transitions. [2019-11-07 04:35:23,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:35:23,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2019-11-07 04:35:23,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:23,089 INFO L225 Difference]: With dead ends: 1110 [2019-11-07 04:35:23,089 INFO L226 Difference]: Without dead ends: 772 [2019-11-07 04:35:23,091 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:35:23,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2019-11-07 04:35:23,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 750. [2019-11-07 04:35:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2019-11-07 04:35:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 896 transitions. [2019-11-07 04:35:23,157 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 896 transitions. Word has length 79 [2019-11-07 04:35:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:23,158 INFO L462 AbstractCegarLoop]: Abstraction has 750 states and 896 transitions. [2019-11-07 04:35:23,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:35:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 896 transitions. [2019-11-07 04:35:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-07 04:35:23,161 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:23,161 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:23,161 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:23,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:23,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1454386472, now seen corresponding path program 1 times [2019-11-07 04:35:23,162 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:23,162 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10606576] [2019-11-07 04:35:23,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:23,345 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10606576] [2019-11-07 04:35:23,346 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:23,346 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:35:23,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862834606] [2019-11-07 04:35:23,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:35:23,347 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:23,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:35:23,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:35:23,348 INFO L87 Difference]: Start difference. First operand 750 states and 896 transitions. Second operand 9 states. [2019-11-07 04:35:24,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:24,496 INFO L93 Difference]: Finished difference Result 2384 states and 2935 transitions. [2019-11-07 04:35:24,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:35:24,497 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2019-11-07 04:35:24,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:24,510 INFO L225 Difference]: With dead ends: 2384 [2019-11-07 04:35:24,510 INFO L226 Difference]: Without dead ends: 1821 [2019-11-07 04:35:24,513 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:35:24,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2019-11-07 04:35:24,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1541. [2019-11-07 04:35:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2019-11-07 04:35:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1857 transitions. [2019-11-07 04:35:24,647 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1857 transitions. Word has length 82 [2019-11-07 04:35:24,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:24,647 INFO L462 AbstractCegarLoop]: Abstraction has 1541 states and 1857 transitions. [2019-11-07 04:35:24,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:35:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1857 transitions. [2019-11-07 04:35:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-07 04:35:24,651 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:24,652 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 04:35:24,652 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:24,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:24,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1008011137, now seen corresponding path program 1 times [2019-11-07 04:35:24,653 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:24,653 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143048555] [2019-11-07 04:35:24,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-07 04:35:24,800 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143048555] [2019-11-07 04:35:24,800 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593583680] [2019-11-07 04:35:24,801 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 [2019-11-07 04:35:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:25,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:35:25,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:35:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:35:25,184 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:35:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-07 04:35:25,601 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [668757097] [2019-11-07 04:35:25,635 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2019-11-07 04:35:25,635 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:35:25,642 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:35:25,657 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:35:25,658 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:35:36,387 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:35:38,072 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:35:38,198 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:38,369 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:38,532 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:38,809 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:35:38,939 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:39,063 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:39,300 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:35:39,310 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:35:39,323 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:35:39,530 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:39,679 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:39,878 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:39,993 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:40,122 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:40,278 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:40,395 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:40,502 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:40,637 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:40,741 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:40,947 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:41,097 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:41,273 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:41,410 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:41,632 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:41,753 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:41,884 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,029 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,161 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,319 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,457 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,620 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,774 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,985 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:43,338 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2019-11-07 04:35:43,465 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:43,592 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:43,866 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2019-11-07 04:35:43,992 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:44,114 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:44,290 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:44,412 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:44,544 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:35:44,662 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:44,775 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:44,902 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-11-07 04:35:44,920 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:35:45,069 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:45,435 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:45,650 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:45,785 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:45,904 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:45,912 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-11-07 04:35:45,931 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-11-07 04:35:45,942 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:35:46,122 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:35:46,435 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:47,195 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:35:47,666 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:35:48,221 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-11-07 04:35:48,381 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-11-07 04:35:48,577 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 622 [2019-11-07 04:35:49,112 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 623 [2019-11-07 04:35:49,408 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 596 [2019-11-07 04:35:49,616 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-11-07 04:35:49,864 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2019-11-07 04:35:50,203 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 617 [2019-11-07 04:35:50,377 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-11-07 04:35:50,702 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2019-11-07 04:35:51,485 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-07 04:35:51,829 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-07 04:35:52,132 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 598 [2019-11-07 04:35:52,460 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 598 [2019-11-07 04:35:52,704 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2019-11-07 04:35:52,899 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2019-11-07 04:35:53,062 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 629 [2019-11-07 04:35:53,272 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 631 [2019-11-07 04:35:53,352 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 576 for LOIs [2019-11-07 04:35:53,363 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 146 for LOIs