java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:06,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:06,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:06,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:06,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:06,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:06,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:06,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:06,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:06,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:06,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:06,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:06,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:06,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:06,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:06,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:06,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:06,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:06,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:06,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:06,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:06,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:06,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:06,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:06,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:06,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:06,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:06,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:06,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:06,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:06,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:06,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:06,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:06,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:06,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:06,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:06,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:06,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:06,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:06,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:06,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:06,262 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 [2019-10-13 21:20:06,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:06,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:06,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:06,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:06,286 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:06,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:06,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:06,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:06,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:06,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:06,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:06,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:06,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:06,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:06,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:06,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:06,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:06,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:06,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:06,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:06,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:06,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:06,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:06,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:06,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:06,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:06,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:06,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:06,292 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 [2019-10-13 21:20:06,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:06,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:06,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:06,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:06,608 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:06,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-10-13 21:20:06,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b441bb5bc/03e317fc6e944d6986c34b37e84415c0/FLAG387f7eb34 [2019-10-13 21:20:07,264 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:07,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product60.cil.c [2019-10-13 21:20:07,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b441bb5bc/03e317fc6e944d6986c34b37e84415c0/FLAG387f7eb34 [2019-10-13 21:20:07,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b441bb5bc/03e317fc6e944d6986c34b37e84415c0 [2019-10-13 21:20:07,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:07,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:07,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:07,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:07,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:07,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4e076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07, skipping insertion in model container [2019-10-13 21:20:07,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,607 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:07,685 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:08,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:08,334 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:08,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:08,474 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:08,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08 WrapperNode [2019-10-13 21:20:08,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:08,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:08,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:08,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:08,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:08,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:08,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (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 [2019-10-13 21:20:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:09,745 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:09,746 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:09,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09 BoogieIcfgContainer [2019-10-13 21:20:09,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:09,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:09,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:09,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:09,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:07" (1/3) ... [2019-10-13 21:20:09,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5276efd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (2/3) ... [2019-10-13 21:20:09,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5276efd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09" (3/3) ... [2019-10-13 21:20:09,756 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2019-10-13 21:20:09,766 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:09,775 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:09,786 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:09,820 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:09,820 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:09,820 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:09,820 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:09,820 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:09,821 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:09,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:09,821 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-13 21:20:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:09,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,857 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:09,859 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,865 INFO L82 PathProgramCache]: Analyzing trace with hash -868868404, now seen corresponding path program 1 times [2019-10-13 21:20:09,875 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117359667] [2019-10-13 21:20:09,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117359667] [2019-10-13 21:20:10,268 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:10,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259060250] [2019-10-13 21:20:10,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:10,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:10,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:10,304 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-13 21:20:10,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,362 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2019-10-13 21:20:10,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:10,364 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,378 INFO L225 Difference]: With dead ends: 300 [2019-10-13 21:20:10,379 INFO L226 Difference]: Without dead ends: 150 [2019-10-13 21:20:10,384 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 [2019-10-13 21:20:10,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-13 21:20:10,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-13 21:20:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-13 21:20:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-10-13 21:20:10,447 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2019-10-13 21:20:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,448 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-10-13 21:20:10,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-10-13 21:20:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:10,452 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,452 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:10,453 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,453 INFO L82 PathProgramCache]: Analyzing trace with hash -276167130, now seen corresponding path program 1 times [2019-10-13 21:20:10,453 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,454 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140034837] [2019-10-13 21:20:10,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140034837] [2019-10-13 21:20:10,594 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,594 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:10,595 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984030884] [2019-10-13 21:20:10,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:10,598 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:10,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:10,599 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2019-10-13 21:20:10,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,644 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2019-10-13 21:20:10,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:10,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:10,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,648 INFO L225 Difference]: With dead ends: 239 [2019-10-13 21:20:10,648 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 21:20:10,650 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 [2019-10-13 21:20:10,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 21:20:10,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 21:20:10,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 21:20:10,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2019-10-13 21:20:10,668 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2019-10-13 21:20:10,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,668 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2019-10-13 21:20:10,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:10,669 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2019-10-13 21:20:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:10,671 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,671 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] [2019-10-13 21:20:10,672 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,672 INFO L82 PathProgramCache]: Analyzing trace with hash 106155889, now seen corresponding path program 1 times [2019-10-13 21:20:10,672 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,673 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861769808] [2019-10-13 21:20:10,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861769808] [2019-10-13 21:20:10,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,848 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:10,848 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833771785] [2019-10-13 21:20:10,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:10,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:10,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:10,851 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2019-10-13 21:20:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,448 INFO L93 Difference]: Finished difference Result 425 states and 512 transitions. [2019-10-13 21:20:11,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:11,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:20:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,454 INFO L225 Difference]: With dead ends: 425 [2019-10-13 21:20:11,454 INFO L226 Difference]: Without dead ends: 308 [2019-10-13 21:20:11,456 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 [2019-10-13 21:20:11,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-10-13 21:20:11,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 296. [2019-10-13 21:20:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-10-13 21:20:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 356 transitions. [2019-10-13 21:20:11,526 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 356 transitions. Word has length 52 [2019-10-13 21:20:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,526 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 356 transitions. [2019-10-13 21:20:11,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 356 transitions. [2019-10-13 21:20:11,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:20:11,534 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,534 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:11,534 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1448124188, now seen corresponding path program 1 times [2019-10-13 21:20:11,535 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758731391] [2019-10-13 21:20:11,535 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,536 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:11,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758731391] [2019-10-13 21:20:11,771 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,771 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:11,772 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861591261] [2019-10-13 21:20:11,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:11,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:11,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:11,775 INFO L87 Difference]: Start difference. First operand 296 states and 356 transitions. Second operand 6 states. [2019-10-13 21:20:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,042 INFO L93 Difference]: Finished difference Result 825 states and 1016 transitions. [2019-10-13 21:20:12,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:12,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 21:20:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,048 INFO L225 Difference]: With dead ends: 825 [2019-10-13 21:20:12,048 INFO L226 Difference]: Without dead ends: 553 [2019-10-13 21:20:12,051 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 [2019-10-13 21:20:12,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-10-13 21:20:12,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2019-10-13 21:20:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-10-13 21:20:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 662 transitions. [2019-10-13 21:20:12,106 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 662 transitions. Word has length 57 [2019-10-13 21:20:12,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,107 INFO L462 AbstractCegarLoop]: Abstraction has 547 states and 662 transitions. [2019-10-13 21:20:12,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:12,107 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 662 transitions. [2019-10-13 21:20:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:20:12,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,111 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:12,111 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,111 INFO L82 PathProgramCache]: Analyzing trace with hash -432580704, now seen corresponding path program 1 times [2019-10-13 21:20:12,112 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419607176] [2019-10-13 21:20:12,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:12,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419607176] [2019-10-13 21:20:12,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:12,208 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853885331] [2019-10-13 21:20:12,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:12,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:12,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:12,210 INFO L87 Difference]: Start difference. First operand 547 states and 662 transitions. Second operand 7 states. [2019-10-13 21:20:12,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,956 INFO L93 Difference]: Finished difference Result 1406 states and 1819 transitions. [2019-10-13 21:20:12,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:12,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 21:20:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,963 INFO L225 Difference]: With dead ends: 1406 [2019-10-13 21:20:12,964 INFO L226 Difference]: Without dead ends: 883 [2019-10-13 21:20:12,966 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 [2019-10-13 21:20:12,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-10-13 21:20:13,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 785. [2019-10-13 21:20:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-10-13 21:20:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 947 transitions. [2019-10-13 21:20:13,022 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 947 transitions. Word has length 61 [2019-10-13 21:20:13,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,023 INFO L462 AbstractCegarLoop]: Abstraction has 785 states and 947 transitions. [2019-10-13 21:20:13,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:13,023 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 947 transitions. [2019-10-13 21:20:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:13,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,026 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] [2019-10-13 21:20:13,027 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,027 INFO L82 PathProgramCache]: Analyzing trace with hash -2030363971, now seen corresponding path program 1 times [2019-10-13 21:20:13,027 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773681512] [2019-10-13 21:20:13,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,110 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773681512] [2019-10-13 21:20:13,110 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,110 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:13,110 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028809112] [2019-10-13 21:20:13,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:13,111 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:13,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:13,112 INFO L87 Difference]: Start difference. First operand 785 states and 947 transitions. Second operand 6 states. [2019-10-13 21:20:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,188 INFO L93 Difference]: Finished difference Result 1574 states and 1958 transitions. [2019-10-13 21:20:13,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:13,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-13 21:20:13,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,197 INFO L225 Difference]: With dead ends: 1574 [2019-10-13 21:20:13,198 INFO L226 Difference]: Without dead ends: 813 [2019-10-13 21:20:13,201 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 [2019-10-13 21:20:13,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2019-10-13 21:20:13,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2019-10-13 21:20:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-10-13 21:20:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2019-10-13 21:20:13,280 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 99 [2019-10-13 21:20:13,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,280 INFO L462 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2019-10-13 21:20:13,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2019-10-13 21:20:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:13,283 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,284 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,284 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1136877633, now seen corresponding path program 1 times [2019-10-13 21:20:13,285 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,285 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139486350] [2019-10-13 21:20:13,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139486350] [2019-10-13 21:20:13,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:13,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821610429] [2019-10-13 21:20:13,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:13,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:13,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:13,383 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 8 states. [2019-10-13 21:20:13,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,447 INFO L93 Difference]: Finished difference Result 1614 states and 1998 transitions. [2019-10-13 21:20:13,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:13,448 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-13 21:20:13,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,453 INFO L225 Difference]: With dead ends: 1614 [2019-10-13 21:20:13,453 INFO L226 Difference]: Without dead ends: 833 [2019-10-13 21:20:13,456 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 [2019-10-13 21:20:13,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-10-13 21:20:13,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2019-10-13 21:20:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-10-13 21:20:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 983 transitions. [2019-10-13 21:20:13,498 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 983 transitions. Word has length 99 [2019-10-13 21:20:13,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,498 INFO L462 AbstractCegarLoop]: Abstraction has 821 states and 983 transitions. [2019-10-13 21:20:13,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:13,499 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 983 transitions. [2019-10-13 21:20:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:13,501 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,501 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] [2019-10-13 21:20:13,502 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1144636992, now seen corresponding path program 1 times [2019-10-13 21:20:13,502 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,502 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064665925] [2019-10-13 21:20:13,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064665925] [2019-10-13 21:20:13,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:13,599 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075394437] [2019-10-13 21:20:13,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:13,600 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:13,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:13,600 INFO L87 Difference]: Start difference. First operand 821 states and 983 transitions. Second operand 4 states. [2019-10-13 21:20:13,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,903 INFO L93 Difference]: Finished difference Result 2603 states and 3266 transitions. [2019-10-13 21:20:13,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:13,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-13 21:20:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,915 INFO L225 Difference]: With dead ends: 2603 [2019-10-13 21:20:13,915 INFO L226 Difference]: Without dead ends: 1806 [2019-10-13 21:20:13,922 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 [2019-10-13 21:20:13,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2019-10-13 21:20:14,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1775. [2019-10-13 21:20:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2019-10-13 21:20:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2179 transitions. [2019-10-13 21:20:14,110 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2179 transitions. Word has length 99 [2019-10-13 21:20:14,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,111 INFO L462 AbstractCegarLoop]: Abstraction has 1775 states and 2179 transitions. [2019-10-13 21:20:14,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2179 transitions. [2019-10-13 21:20:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:14,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,117 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] [2019-10-13 21:20:14,117 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1694878310, now seen corresponding path program 1 times [2019-10-13 21:20:14,118 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592252858] [2019-10-13 21:20:14,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:14,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592252858] [2019-10-13 21:20:14,264 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635853408] [2019-10-13 21:20:14,264 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 [2019-10-13 21:20:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:14,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:14,656 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:15,635 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:15,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:15,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007564114] [2019-10-13 21:20:15,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:15,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:15,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:15,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:15,638 INFO L87 Difference]: Start difference. First operand 1775 states and 2179 transitions. Second operand 8 states. [2019-10-13 21:20:16,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:16,130 INFO L93 Difference]: Finished difference Result 3500 states and 4314 transitions. [2019-10-13 21:20:16,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:16,131 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-13 21:20:16,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:16,144 INFO L225 Difference]: With dead ends: 3500 [2019-10-13 21:20:16,144 INFO L226 Difference]: Without dead ends: 1749 [2019-10-13 21:20:16,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:16,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2019-10-13 21:20:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1749. [2019-10-13 21:20:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1749 states. [2019-10-13 21:20:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2103 transitions. [2019-10-13 21:20:16,333 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2103 transitions. Word has length 103 [2019-10-13 21:20:16,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:16,335 INFO L462 AbstractCegarLoop]: Abstraction has 1749 states and 2103 transitions. [2019-10-13 21:20:16,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2103 transitions. [2019-10-13 21:20:16,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:20:16,345 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:16,345 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:16,550 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:16,551 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:16,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:16,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1284440909, now seen corresponding path program 1 times [2019-10-13 21:20:16,552 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:16,554 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052724510] [2019-10-13 21:20:16,554 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,554 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:16,826 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052724510] [2019-10-13 21:20:16,826 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734209663] [2019-10-13 21:20:16,826 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 [2019-10-13 21:20:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:20:17,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:17,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:17,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:17,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:17,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:17,639 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:17,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-10-13 21:20:17,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714441925] [2019-10-13 21:20:17,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:17,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:17,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-10-13 21:20:17,641 INFO L87 Difference]: Start difference. First operand 1749 states and 2103 transitions. Second operand 9 states. [2019-10-13 21:20:19,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:19,464 INFO L93 Difference]: Finished difference Result 4987 states and 6831 transitions. [2019-10-13 21:20:19,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:20:19,464 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-13 21:20:19,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:19,503 INFO L225 Difference]: With dead ends: 4987 [2019-10-13 21:20:19,504 INFO L226 Difference]: Without dead ends: 3586 [2019-10-13 21:20:19,513 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 310 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-13 21:20:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2019-10-13 21:20:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 2841. [2019-10-13 21:20:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2019-10-13 21:20:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3513 transitions. [2019-10-13 21:20:19,752 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3513 transitions. Word has length 157 [2019-10-13 21:20:19,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:19,753 INFO L462 AbstractCegarLoop]: Abstraction has 2841 states and 3513 transitions. [2019-10-13 21:20:19,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3513 transitions. [2019-10-13 21:20:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:20:19,761 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:19,761 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:19,967 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:19,967 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:19,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:19,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1009681295, now seen corresponding path program 1 times [2019-10-13 21:20:19,968 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:19,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830840835] [2019-10-13 21:20:19,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:19,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:19,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:20:20,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830840835] [2019-10-13 21:20:20,106 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:20,106 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:20:20,106 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716656135] [2019-10-13 21:20:20,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:20,107 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:20,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:20,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:20,107 INFO L87 Difference]: Start difference. First operand 2841 states and 3513 transitions. Second operand 9 states. [2019-10-13 21:20:20,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:20,214 INFO L93 Difference]: Finished difference Result 3837 states and 4717 transitions. [2019-10-13 21:20:20,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:20:20,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-13 21:20:20,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:20,217 INFO L225 Difference]: With dead ends: 3837 [2019-10-13 21:20:20,217 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:20,228 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:20,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:20,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:20,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-13 21:20:20,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:20,230 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:20,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:20,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:20,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:20,987 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2019-10-13 21:20:22,003 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-10-13 21:20:22,136 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2019-10-13 21:20:22,410 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2019-10-13 21:20:22,532 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-13 21:20:22,803 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2019-10-13 21:20:23,023 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2019-10-13 21:20:23,267 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2019-10-13 21:20:23,387 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2019-10-13 21:20:23,773 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2019-10-13 21:20:23,965 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 34 [2019-10-13 21:20:24,194 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2019-10-13 21:20:24,438 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2019-10-13 21:20:24,565 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-13 21:20:24,727 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 20 [2019-10-13 21:20:24,864 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2019-10-13 21:20:25,050 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2019-10-13 21:20:25,226 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2019-10-13 21:20:25,430 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2019-10-13 21:20:25,814 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-13 21:20:25,989 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2019-10-13 21:20:26,654 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 42 [2019-10-13 21:20:26,767 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-13 21:20:27,192 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2019-10-13 21:20:27,244 INFO L443 ceAbstractionStarter]: For program point L380(lines 357 381) no Hoare annotation was computed. [2019-10-13 21:20:27,244 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 333 388) no Hoare annotation was computed. [2019-10-13 21:20:27,244 INFO L443 ceAbstractionStarter]: For program point L364(lines 364 368) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point L364-1(lines 364 368) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point L359(line 359) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 333 388) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point L358-2(lines 358 379) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 333 388) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point L415-2(lines 415 440) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point L441(lines 414 442) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 389 448) no Hoare annotation was computed. [2019-10-13 21:20:27,245 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 389 448) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 389 448) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 421 425) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2019-10-13 21:20:27,246 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2019-10-13 21:20:27,246 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2019-10-13 21:20:27,247 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:20:27,247 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 21:20:27,247 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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))) [2019-10-13 21:20:27,247 INFO L439 ceAbstractionStarter]: At program point L126(line 126) 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))) [2019-10-13 21:20:27,247 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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))) [2019-10-13 21:20:27,248 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) 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))) [2019-10-13 21:20:27,248 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:20:27,248 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:20:27,248 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,248 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,248 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 21:20:27,249 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 21:20:27,250 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 21:20:27,251 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 21:20:27,251 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2019-10-13 21:20:27,251 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse5 (or .cse1 .cse8)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= |old(~systemActive~0)| 0)) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 .cse4)) (or (or .cse5 .cse4) .cse2) (or .cse5 .cse2 .cse3) (or .cse6 (or .cse7 .cse4 .cse8)) (or (or .cse0 .cse7 .cse4) .cse6)))) [2019-10-13 21:20:27,251 INFO L439 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (or .cse6 .cse4)) (.cse3 (= |old(~systemActive~0)| 0)) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse5 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse3 .cse1 .cse4)) (or (or .cse5 .cse3 .cse1) .cse2) (or .cse5 .cse6 (not (<= 1 ~waterLevel~0)))))) [2019-10-13 21:20:27,251 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2019-10-13 21:20:27,252 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-10-13 21:20:27,252 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2019-10-13 21:20:27,252 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2019-10-13 21:20:27,252 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2019-10-13 21:20:27,252 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2019-10-13 21:20:27,252 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2019-10-13 21:20:27,252 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L446 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 896) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point L888-2(lines 888 896) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 869 904) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 884) no Hoare annotation was computed. [2019-10-13 21:20:27,253 INFO L443 ceAbstractionStarter]: For program point L876-2(lines 876 884) no Hoare annotation was computed. [2019-10-13 21:20:27,254 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 869 904) no Hoare annotation was computed. [2019-10-13 21:20:27,254 INFO L443 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2019-10-13 21:20:27,254 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 869 904) no Hoare annotation was computed. [2019-10-13 21:20:27,254 INFO L443 ceAbstractionStarter]: For program point L899-1(line 899) no Hoare annotation was computed. [2019-10-13 21:20:27,254 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2019-10-13 21:20:27,254 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2019-10-13 21:20:27,254 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 287 332) no Hoare annotation was computed. [2019-10-13 21:20:27,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 287 332) no Hoare annotation was computed. [2019-10-13 21:20:27,255 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 287 332) no Hoare annotation was computed. [2019-10-13 21:20:27,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 600 645) no Hoare annotation was computed. [2019-10-13 21:20:27,255 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 627) no Hoare annotation was computed. [2019-10-13 21:20:27,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 600 645) no Hoare annotation was computed. [2019-10-13 21:20:27,255 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 634) no Hoare annotation was computed. [2019-10-13 21:20:27,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 600 645) no Hoare annotation was computed. [2019-10-13 21:20:27,256 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 634) no Hoare annotation was computed. [2019-10-13 21:20:27,256 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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))) [2019-10-13 21:20:27,256 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:20:27,256 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:20:27,256 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2019-10-13 21:20:27,256 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2019-10-13 21:20:27,256 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2019-10-13 21:20:27,256 INFO L446 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2019-10-13 21:20:27,257 INFO L443 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2019-10-13 21:20:27,257 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:27,257 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2019-10-13 21:20:27,257 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2019-10-13 21:20:27,257 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2019-10-13 21:20:27,257 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2019-10-13 21:20:27,257 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2019-10-13 21:20:27,258 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2019-10-13 21:20:27,258 INFO L439 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not (<= 1 ~waterLevel~0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~7))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse1 .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse5) (or .cse1 .cse6 .cse7 .cse3))) [2019-10-13 21:20:27,258 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2019-10-13 21:20:27,258 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse4 .cse2 .cse5) (or .cse4 .cse2 .cse7 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse1 .cse4 .cse2 .cse7))) [2019-10-13 21:20:27,258 INFO L443 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2019-10-13 21:20:27,259 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2019-10-13 21:20:27,259 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2019-10-13 21:20:27,259 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:27,259 INFO L439 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1))) [2019-10-13 21:20:27,259 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2019-10-13 21:20:27,259 INFO L439 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:27,260 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2019-10-13 21:20:27,260 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2019-10-13 21:20:27,260 INFO L439 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse4 .cse1 .cse6 .cse5) (and .cse1 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,260 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 658 725) 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))) [2019-10-13 21:20:27,260 INFO L443 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2019-10-13 21:20:27,261 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse3))) [2019-10-13 21:20:27,261 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2019-10-13 21:20:27,261 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2019-10-13 21:20:27,261 INFO L439 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,261 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-10-13 21:20:27,261 INFO L443 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2019-10-13 21:20:27,262 INFO L439 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,262 INFO L439 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1) (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and (and .cse3 .cse0 .cse1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,262 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2019-10-13 21:20:27,262 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2019-10-13 21:20:27,262 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2019-10-13 21:20:27,262 INFO L439 ceAbstractionStarter]: At program point L718(lines 667 719) 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))) [2019-10-13 21:20:27,263 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6) (and .cse5 .cse0 .cse1 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,263 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2019-10-13 21:20:27,263 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-10-13 21:20:27,263 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 581) no Hoare annotation was computed. [2019-10-13 21:20:27,263 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 554 599) no Hoare annotation was computed. [2019-10-13 21:20:27,263 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 588) no Hoare annotation was computed. [2019-10-13 21:20:27,263 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 588) no Hoare annotation was computed. [2019-10-13 21:20:27,263 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 554 599) no Hoare annotation was computed. [2019-10-13 21:20:27,264 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 554 599) no Hoare annotation was computed. [2019-10-13 21:20:27,264 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:27,264 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2019-10-13 21:20:27,264 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2019-10-13 21:20:27,264 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2019-10-13 21:20:27,264 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2019-10-13 21:20:27,264 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 451 553) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 550) no Hoare annotation was computed. [2019-10-13 21:20:27,265 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 506) no Hoare annotation was computed. [2019-10-13 21:20:27,266 INFO L443 ceAbstractionStarter]: For program point L500-2(lines 500 520) no Hoare annotation was computed. [2019-10-13 21:20:27,266 INFO L443 ceAbstractionStarter]: For program point L521(lines 499 522) no Hoare annotation was computed. [2019-10-13 21:20:27,266 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 451 553) no Hoare annotation was computed. [2019-10-13 21:20:27,266 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 496) no Hoare annotation was computed. [2019-10-13 21:20:27,266 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 547) no Hoare annotation was computed. [2019-10-13 21:20:27,266 INFO L443 ceAbstractionStarter]: For program point L501(lines 500 520) no Hoare annotation was computed. [2019-10-13 21:20:27,266 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 451 553) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 538) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point L516(line 516) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 968 977) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 968 977) no Hoare annotation was computed. [2019-10-13 21:20:27,267 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 968 977) no Hoare annotation was computed. [2019-10-13 21:20:27,268 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,268 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:20:27,268 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,268 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2019-10-13 21:20:27,268 INFO L439 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:27,268 INFO L443 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2019-10-13 21:20:27,268 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2019-10-13 21:20:27,269 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:27,269 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:27,269 INFO L443 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2019-10-13 21:20:27,269 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 220 228) no Hoare annotation was computed. [2019-10-13 21:20:27,269 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2019-10-13 21:20:27,269 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2019-10-13 21:20:27,269 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2019-10-13 21:20:27,269 INFO L446 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2019-10-13 21:20:27,270 INFO L443 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2019-10-13 21:20:27,270 INFO L443 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2019-10-13 21:20:27,270 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2019-10-13 21:20:27,270 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2019-10-13 21:20:27,270 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-10-13 21:20:27,270 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (or .cse0 .cse3 .cse2)) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (not (<= 1 ~waterLevel~0)) (<= 1 ~methaneLevelCritical~0)) (or (or (= ~systemActive~0 0) .cse3 .cse2) .cse1))) [2019-10-13 21:20:27,271 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2019-10-13 21:20:27,271 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2019-10-13 21:20:27,271 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,271 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,271 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,271 INFO L443 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2019-10-13 21:20:27,271 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~systemActive~0 0)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse7 .cse10))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse4 (and .cse5 .cse7) .cse6 .cse8) (or (or .cse1 .cse2 .cse8) .cse3) (or .cse9 (or .cse4 .cse2 .cse8)) (or .cse0 .cse4 (not (<= 1 |old(~waterLevel~0)|)) .cse9)))) [2019-10-13 21:20:27,272 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2019-10-13 21:20:27,272 INFO L439 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse9 (not (= 0 ~systemActive~0)))) (let ((.cse1 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse9)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~systemActive~0 0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse5 .cse6 .cse3) .cse7) (or .cse8 (or .cse4 .cse0 .cse6)) (or (or .cse0 .cse6 .cse3) .cse8) (or (or .cse4 .cse5 .cse6) .cse7)))) [2019-10-13 21:20:27,272 INFO L439 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (and .cse5 .cse9)) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and .cse9 .cse11))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0 (and (<= 2 ~waterLevel~0) .cse5)) (or .cse1 .cse6 .cse7 .cse8) (or .cse6 (and .cse7 .cse9) .cse8 .cse4) (or .cse10 (or .cse6 .cse3 .cse4) (and (not (= 0 ~systemActive~0)) .cse11)) (or .cse1 .cse6 (not (<= 1 |old(~waterLevel~0)|)) .cse10)))) [2019-10-13 21:20:27,273 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2019-10-13 21:20:27,273 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse2) .cse4) (or .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or (or .cse3 .cse2 .cse5) .cse4) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 21:20:27,273 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 21:20:27,273 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 21:20:27,273 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 21:20:27,273 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 21:20:27,273 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 21:20:27,273 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 21:20:27,274 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 21:20:27,274 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 21:20:27,274 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 21:20:27,274 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 21:20:27,274 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2019-10-13 21:20:27,274 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2019-10-13 21:20:27,274 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2019-10-13 21:20:27,274 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse0))) [2019-10-13 21:20:27,275 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2019-10-13 21:20:27,275 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2019-10-13 21:20:27,275 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 21:20:27,275 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 21:20:27,275 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,275 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)) [2019-10-13 21:20:27,275 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:27,275 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,276 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2019-10-13 21:20:27,276 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: true [2019-10-13 21:20:27,276 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2019-10-13 21:20:27,276 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-10-13 21:20:27,276 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-13 21:20:27,276 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2019-10-13 21:20:27,276 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2019-10-13 21:20:27,277 INFO L439 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse5 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse5))) [2019-10-13 21:20:27,277 INFO L443 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2019-10-13 21:20:27,277 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)))) (or .cse1 .cse2 (not (<= 1 ~waterLevel~0)) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:27,277 INFO L439 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:27,277 INFO L443 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2019-10-13 21:20:27,277 INFO L439 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-13 21:20:27,278 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2019-10-13 21:20:27,278 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2019-10-13 21:20:27,278 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (not (<= 2 |old(~waterLevel~0)|)) (or (= ~systemActive~0 0) .cse4)) (or .cse2 .cse1 (or .cse3 .cse4)) (or .cse0 .cse3 .cse5 .cse6) (or .cse3 .cse5 .cse6 .cse4))) [2019-10-13 21:20:27,278 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2019-10-13 21:20:27,278 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-10-13 21:20:27,278 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2019-10-13 21:20:27,279 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2019-10-13 21:20:27,279 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2019-10-13 21:20:27,279 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:20:27,279 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0) (or .cse3 .cse4 .cse1))) [2019-10-13 21:20:27,279 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2019-10-13 21:20:27,279 INFO L439 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-10-13 21:20:27,279 INFO L443 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2019-10-13 21:20:27,280 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2019-10-13 21:20:27,280 INFO L443 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:20:27,280 INFO L446 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2019-10-13 21:20:27,280 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-10-13 21:20:27,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:27 BoogieIcfgContainer [2019-10-13 21:20:27,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:27,297 INFO L168 Benchmark]: Toolchain (without parser) took 19708.01 ms. Allocated memory was 143.7 MB in the beginning and 493.4 MB in the end (delta: 349.7 MB). Free memory was 100.6 MB in the beginning and 146.8 MB in the end (delta: -46.2 MB). Peak memory consumption was 364.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,298 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.98 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 169.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,299 INFO L168 Benchmark]: Boogie Preprocessor took 119.34 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,300 INFO L168 Benchmark]: RCFGBuilder took 1152.07 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 164.2 MB in the beginning and 192.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,301 INFO L168 Benchmark]: TraceAbstraction took 17546.91 ms. Allocated memory was 232.8 MB in the beginning and 493.4 MB in the end (delta: 260.6 MB). Free memory was 192.1 MB in the beginning and 146.8 MB in the end (delta: 45.3 MB). Peak memory consumption was 366.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,305 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 884.98 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 169.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.34 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1152.07 ms. Allocated memory was 202.9 MB in the beginning and 232.8 MB in the end (delta: 29.9 MB). Free memory was 164.2 MB in the beginning and 192.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17546.91 ms. Allocated memory was 232.8 MB in the beginning and 493.4 MB in the end (delta: 260.6 MB). Free memory was 192.1 MB in the beginning and 146.8 MB in the end (delta: 45.3 MB). Peak memory consumption was 366.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: 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: 667]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Result: SAFE, OverallTime: 17.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, HoareTripleCheckerStatistics: 2122 SDtfs, 1275 SDslu, 5701 SDs, 0 SdLazy, 2421 SolverSat, 396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 640 GetRequests, 537 SyntacticMatches, 10 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2841occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 912 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 4294 PreInvPairs, 4499 NumberOfFragments, 2397 HoareAnnotationTreeSize, 4294 FomulaSimplifications, 11051 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 19921 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1482 ConstructedInterpolants, 0 QuantifiedInterpolants, 289426 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1692 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 146/158 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...