java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:10,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:10,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:10,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:10,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:10,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:10,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:10,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:10,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:10,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:10,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:10,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:10,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:10,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:10,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:10,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:10,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:10,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:10,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:10,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:10,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:10,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:10,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:10,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:10,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:10,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:10,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:10,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:10,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:10,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:10,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:10,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:10,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:10,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:10,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:10,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:10,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:10,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:10,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:10,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:10,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:10,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:10,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:10,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:10,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:10,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:10,348 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:10,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:10,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:10,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:10,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:10,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:10,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:10,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:10,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:10,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:10,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:10,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:10,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:10,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:10,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:10,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:10,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:10,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:10,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:10,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:10,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:10,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:10,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:10,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:10,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:10,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:10,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:10,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:10,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:10,687 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:10,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2019-10-15 01:20:10,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa3a00f0/f3035f3369cf4c35b03dc3dc0fd555b5/FLAGd01643d58 [2019-10-15 01:20:11,309 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:11,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2019-10-15 01:20:11,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa3a00f0/f3035f3369cf4c35b03dc3dc0fd555b5/FLAGd01643d58 [2019-10-15 01:20:11,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa3a00f0/f3035f3369cf4c35b03dc3dc0fd555b5 [2019-10-15 01:20:11,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:11,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:11,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:11,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:11,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:11,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:11" (1/1) ... [2019-10-15 01:20:11,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd64945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:11, skipping insertion in model container [2019-10-15 01:20:11,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:11" (1/1) ... [2019-10-15 01:20:11,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:11,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:12,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:12,179 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:12,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:12,300 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:12,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12 WrapperNode [2019-10-15 01:20:12,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:12,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:12,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:12,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:12,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:12,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:12,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:12,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:12,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:13,765 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:13,766 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:13,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:13 BoogieIcfgContainer [2019-10-15 01:20:13,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:13,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:13,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:13,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:13,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:11" (1/3) ... [2019-10-15 01:20:13,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1841a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:13, skipping insertion in model container [2019-10-15 01:20:13,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12" (2/3) ... [2019-10-15 01:20:13,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1841a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:13, skipping insertion in model container [2019-10-15 01:20:13,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:13" (3/3) ... [2019-10-15 01:20:13,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2019-10-15 01:20:13,786 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:13,795 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:13,806 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:13,830 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:13,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:13,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:13,831 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:13,831 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:13,831 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:13,832 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:13,832 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-10-15 01:20:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:13,864 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:13,865 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:13,867 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:13,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:13,871 INFO L82 PathProgramCache]: Analyzing trace with hash -519940638, now seen corresponding path program 1 times [2019-10-15 01:20:13,879 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:13,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108601016] [2019-10-15 01:20:13,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,242 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108601016] [2019-10-15 01:20:14,242 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,245 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:14,245 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777070970] [2019-10-15 01:20:14,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:14,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:14,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:14,272 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2019-10-15 01:20:14,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,350 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2019-10-15 01:20:14,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:14,353 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:14,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,382 INFO L225 Difference]: With dead ends: 314 [2019-10-15 01:20:14,382 INFO L226 Difference]: Without dead ends: 159 [2019-10-15 01:20:14,390 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:14,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-15 01:20:14,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2019-10-15 01:20:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-15 01:20:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2019-10-15 01:20:14,457 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2019-10-15 01:20:14,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,458 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2019-10-15 01:20:14,458 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2019-10-15 01:20:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:14,462 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,462 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:14,463 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,463 INFO L82 PathProgramCache]: Analyzing trace with hash -183354494, now seen corresponding path program 1 times [2019-10-15 01:20:14,463 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,464 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774824704] [2019-10-15 01:20:14,464 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,464 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774824704] [2019-10-15 01:20:14,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:14,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652517872] [2019-10-15 01:20:14,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:14,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:14,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:14,605 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2019-10-15 01:20:14,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,636 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2019-10-15 01:20:14,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:14,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:14,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,640 INFO L225 Difference]: With dead ends: 259 [2019-10-15 01:20:14,640 INFO L226 Difference]: Without dead ends: 150 [2019-10-15 01:20:14,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:14,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-15 01:20:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-15 01:20:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-15 01:20:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2019-10-15 01:20:14,665 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2019-10-15 01:20:14,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,666 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2019-10-15 01:20:14,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2019-10-15 01:20:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:14,670 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,671 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, 1, 1, 1, 1, 1] [2019-10-15 01:20:14,671 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1707012514, now seen corresponding path program 1 times [2019-10-15 01:20:14,672 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,672 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660568414] [2019-10-15 01:20:14,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660568414] [2019-10-15 01:20:14,828 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:14,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216090039] [2019-10-15 01:20:14,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:14,829 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:14,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:14,830 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2019-10-15 01:20:15,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,309 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2019-10-15 01:20:15,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:15,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:15,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,312 INFO L225 Difference]: With dead ends: 272 [2019-10-15 01:20:15,312 INFO L226 Difference]: Without dead ends: 150 [2019-10-15 01:20:15,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:15,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-15 01:20:15,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-15 01:20:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-15 01:20:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-10-15 01:20:15,329 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2019-10-15 01:20:15,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,330 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-10-15 01:20:15,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:15,330 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-10-15 01:20:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-15 01:20:15,333 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,333 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:15,334 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1819519357, now seen corresponding path program 1 times [2019-10-15 01:20:15,334 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357783352] [2019-10-15 01:20:15,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:15,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357783352] [2019-10-15 01:20:15,437 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:15,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857604763] [2019-10-15 01:20:15,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:15,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:15,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:15,439 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 5 states. [2019-10-15 01:20:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,180 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2019-10-15 01:20:16,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:16,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-10-15 01:20:16,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,187 INFO L225 Difference]: With dead ends: 388 [2019-10-15 01:20:16,187 INFO L226 Difference]: Without dead ends: 266 [2019-10-15 01:20:16,192 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:16,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-10-15 01:20:16,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 247. [2019-10-15 01:20:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-10-15 01:20:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2019-10-15 01:20:16,230 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2019-10-15 01:20:16,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,231 INFO L462 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2019-10-15 01:20:16,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2019-10-15 01:20:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:20:16,239 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,239 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:16,240 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash 948942276, now seen corresponding path program 1 times [2019-10-15 01:20:16,241 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,241 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412105939] [2019-10-15 01:20:16,241 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,241 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:16,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412105939] [2019-10-15 01:20:16,398 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,398 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:16,398 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965251240] [2019-10-15 01:20:16,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:16,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:16,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:16,401 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 6 states. [2019-10-15 01:20:16,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,652 INFO L93 Difference]: Finished difference Result 667 states and 782 transitions. [2019-10-15 01:20:16,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:16,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-15 01:20:16,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,660 INFO L225 Difference]: With dead ends: 667 [2019-10-15 01:20:16,661 INFO L226 Difference]: Without dead ends: 448 [2019-10-15 01:20:16,662 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:16,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-15 01:20:16,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2019-10-15 01:20:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2019-10-15 01:20:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2019-10-15 01:20:16,709 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2019-10-15 01:20:16,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,710 INFO L462 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2019-10-15 01:20:16,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2019-10-15 01:20:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 01:20:16,715 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,715 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:16,715 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1944159016, now seen corresponding path program 1 times [2019-10-15 01:20:16,716 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207505445] [2019-10-15 01:20:16,716 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,716 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:16,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207505445] [2019-10-15 01:20:16,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:16,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979478538] [2019-10-15 01:20:16,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:16,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:16,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:16,905 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 7 states. [2019-10-15 01:20:17,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,613 INFO L93 Difference]: Finished difference Result 887 states and 1036 transitions. [2019-10-15 01:20:17,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:17,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2019-10-15 01:20:17,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,617 INFO L225 Difference]: With dead ends: 887 [2019-10-15 01:20:17,618 INFO L226 Difference]: Without dead ends: 473 [2019-10-15 01:20:17,619 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-10-15 01:20:17,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 441. [2019-10-15 01:20:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-15 01:20:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2019-10-15 01:20:17,652 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2019-10-15 01:20:17,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,653 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2019-10-15 01:20:17,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2019-10-15 01:20:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:20:17,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,656 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:17,656 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,656 INFO L82 PathProgramCache]: Analyzing trace with hash -412136482, now seen corresponding path program 1 times [2019-10-15 01:20:17,657 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,657 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997245747] [2019-10-15 01:20:17,657 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,657 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:17,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997245747] [2019-10-15 01:20:17,730 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:17,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751212489] [2019-10-15 01:20:17,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:17,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:17,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:17,732 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 6 states. [2019-10-15 01:20:17,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,778 INFO L93 Difference]: Finished difference Result 868 states and 1010 transitions. [2019-10-15 01:20:17,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:17,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2019-10-15 01:20:17,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,782 INFO L225 Difference]: With dead ends: 868 [2019-10-15 01:20:17,782 INFO L226 Difference]: Without dead ends: 455 [2019-10-15 01:20:17,784 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:17,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-10-15 01:20:17,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2019-10-15 01:20:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-15 01:20:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2019-10-15 01:20:17,812 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2019-10-15 01:20:17,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,813 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2019-10-15 01:20:17,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2019-10-15 01:20:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:20:17,815 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,815 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:17,815 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1527025564, now seen corresponding path program 1 times [2019-10-15 01:20:17,816 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80347542] [2019-10-15 01:20:17,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:17,900 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80347542] [2019-10-15 01:20:17,900 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,901 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:17,901 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616465932] [2019-10-15 01:20:17,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:17,902 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:17,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:17,902 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 8 states. [2019-10-15 01:20:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,950 INFO L93 Difference]: Finished difference Result 888 states and 1032 transitions. [2019-10-15 01:20:17,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:17,955 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2019-10-15 01:20:17,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,959 INFO L225 Difference]: With dead ends: 888 [2019-10-15 01:20:17,959 INFO L226 Difference]: Without dead ends: 465 [2019-10-15 01:20:17,962 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:17,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-15 01:20:17,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2019-10-15 01:20:17,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-15 01:20:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2019-10-15 01:20:17,994 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2019-10-15 01:20:17,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,996 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2019-10-15 01:20:17,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2019-10-15 01:20:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-15 01:20:17,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,999 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,000 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1998771717, now seen corresponding path program 1 times [2019-10-15 01:20:18,000 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86634365] [2019-10-15 01:20:18,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:18,148 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86634365] [2019-10-15 01:20:18,149 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,149 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:18,149 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45606309] [2019-10-15 01:20:18,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:18,150 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:18,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:18,151 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 4 states. [2019-10-15 01:20:18,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,398 INFO L93 Difference]: Finished difference Result 1362 states and 1616 transitions. [2019-10-15 01:20:18,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:18,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2019-10-15 01:20:18,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,406 INFO L225 Difference]: With dead ends: 1362 [2019-10-15 01:20:18,406 INFO L226 Difference]: Without dead ends: 931 [2019-10-15 01:20:18,408 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:18,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2019-10-15 01:20:18,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 916. [2019-10-15 01:20:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2019-10-15 01:20:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1065 transitions. [2019-10-15 01:20:18,470 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1065 transitions. Word has length 109 [2019-10-15 01:20:18,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,471 INFO L462 AbstractCegarLoop]: Abstraction has 916 states and 1065 transitions. [2019-10-15 01:20:18,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1065 transitions. [2019-10-15 01:20:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-15 01:20:18,477 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,477 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,477 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1262789055, now seen corresponding path program 1 times [2019-10-15 01:20:18,478 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180472975] [2019-10-15 01:20:18,478 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:18,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180472975] [2019-10-15 01:20:18,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915697876] [2019-10-15 01:20:18,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:18,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:19,121 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:20,421 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:20,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:20,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836700621] [2019-10-15 01:20:20,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:20,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:20,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:20,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:20,423 INFO L87 Difference]: Start difference. First operand 916 states and 1065 transitions. Second operand 8 states. [2019-10-15 01:20:20,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:20,915 INFO L93 Difference]: Finished difference Result 1773 states and 2073 transitions. [2019-10-15 01:20:20,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:20,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2019-10-15 01:20:20,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:20,923 INFO L225 Difference]: With dead ends: 1773 [2019-10-15 01:20:20,923 INFO L226 Difference]: Without dead ends: 885 [2019-10-15 01:20:20,928 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 208 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:20,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2019-10-15 01:20:20,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 885. [2019-10-15 01:20:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2019-10-15 01:20:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1014 transitions. [2019-10-15 01:20:20,997 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1014 transitions. Word has length 113 [2019-10-15 01:20:20,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:20,998 INFO L462 AbstractCegarLoop]: Abstraction has 885 states and 1014 transitions. [2019-10-15 01:20:20,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1014 transitions. [2019-10-15 01:20:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-15 01:20:21,007 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,008 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:21,216 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:21,217 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1271659967, now seen corresponding path program 1 times [2019-10-15 01:20:21,218 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,218 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929015828] [2019-10-15 01:20:21,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:21,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929015828] [2019-10-15 01:20:21,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705416938] [2019-10-15 01:20:21,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:21,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:20:21,952 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:22,542 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:22,543 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:22,543 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599182194] [2019-10-15 01:20:22,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:22,544 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:22,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:22,545 INFO L87 Difference]: Start difference. First operand 885 states and 1014 transitions. Second operand 8 states. [2019-10-15 01:20:22,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,962 INFO L93 Difference]: Finished difference Result 1481 states and 1720 transitions. [2019-10-15 01:20:22,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:22,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2019-10-15 01:20:22,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,965 INFO L225 Difference]: With dead ends: 1481 [2019-10-15 01:20:22,966 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:22,971 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 351 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:22,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:22,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:22,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2019-10-15 01:20:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,974 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:22,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:22,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:23,190 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:23,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:24,530 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2019-10-15 01:20:24,708 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-15 01:20:25,246 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-10-15 01:20:25,595 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-10-15 01:20:27,200 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-10-15 01:20:27,588 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-10-15 01:20:27,591 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:20:27,592 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:20:27,593 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:20:27,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:27,593 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:20:27,593 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:20:27,593 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:20:27,593 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2019-10-15 01:20:27,593 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2019-10-15 01:20:27,593 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2019-10-15 01:20:27,594 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2019-10-15 01:20:27,594 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2019-10-15 01:20:27,594 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,594 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2019-10-15 01:20:27,594 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,595 INFO L439 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,595 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-15 01:20:27,595 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2019-10-15 01:20:27,595 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-15 01:20:27,595 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,595 INFO L439 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,596 INFO L439 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,596 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2019-10-15 01:20:27,596 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-15 01:20:27,596 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-15 01:20:27,596 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2019-10-15 01:20:27,596 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-15 01:20:27,596 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-15 01:20:27,597 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-15 01:20:27,598 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-15 01:20:27,598 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-15 01:20:27,598 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-15 01:20:27,598 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-15 01:20:27,598 INFO L439 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0) (or .cse3 .cse0 .cse1))) [2019-10-15 01:20:27,598 INFO L443 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2019-10-15 01:20:27,599 INFO L439 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:20:27,599 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:20:27,599 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:20:27,599 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2019-10-15 01:20:27,599 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2019-10-15 01:20:27,599 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:20:27,600 INFO L443 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2019-10-15 01:20:27,600 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2019-10-15 01:20:27,600 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2019-10-15 01:20:27,600 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2019-10-15 01:20:27,600 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2019-10-15 01:20:27,600 INFO L443 ceAbstractionStarter]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2019-10-15 01:20:27,600 INFO L446 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2019-10-15 01:20:27,600 INFO L443 ceAbstractionStarter]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2019-10-15 01:20:27,601 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2019-10-15 01:20:27,601 INFO L443 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2019-10-15 01:20:27,601 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2019-10-15 01:20:27,601 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2019-10-15 01:20:27,601 INFO L443 ceAbstractionStarter]: For program point L959(lines 959 967) no Hoare annotation was computed. [2019-10-15 01:20:27,601 INFO L443 ceAbstractionStarter]: For program point L959-2(lines 959 967) no Hoare annotation was computed. [2019-10-15 01:20:27,601 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 955) no Hoare annotation was computed. [2019-10-15 01:20:27,601 INFO L443 ceAbstractionStarter]: For program point L947-2(lines 947 955) no Hoare annotation was computed. [2019-10-15 01:20:27,602 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 940 975) no Hoare annotation was computed. [2019-10-15 01:20:27,602 INFO L443 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2019-10-15 01:20:27,602 INFO L443 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2019-10-15 01:20:27,602 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2019-10-15 01:20:27,602 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2019-10-15 01:20:27,602 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2019-10-15 01:20:27,602 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2019-10-15 01:20:27,602 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:27,603 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:20:27,604 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,604 INFO L439 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,604 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2019-10-15 01:20:27,604 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2019-10-15 01:20:27,604 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2019-10-15 01:20:27,604 INFO L446 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2019-10-15 01:20:27,604 INFO L443 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2019-10-15 01:20:27,605 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2019-10-15 01:20:27,605 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2019-10-15 01:20:27,605 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2019-10-15 01:20:27,605 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2019-10-15 01:20:27,605 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2019-10-15 01:20:27,605 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-10-15 01:20:27,605 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2019-10-15 01:20:27,606 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2019-10-15 01:20:27,606 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2019-10-15 01:20:27,606 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2019-10-15 01:20:27,606 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-15 01:20:27,606 INFO L439 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-15 01:20:27,606 INFO L443 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2019-10-15 01:20:27,606 INFO L439 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:20:27,607 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (and .cse4 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse1) (or .cse1 .cse2 .cse4))) [2019-10-15 01:20:27,607 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2019-10-15 01:20:27,607 INFO L439 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse4 .cse2))) [2019-10-15 01:20:27,607 INFO L443 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2019-10-15 01:20:27,607 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2019-10-15 01:20:27,607 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2019-10-15 01:20:27,608 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2019-10-15 01:20:27,608 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,608 INFO L439 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:27,608 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2019-10-15 01:20:27,608 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2019-10-15 01:20:27,608 INFO L439 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:27,609 INFO L443 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2019-10-15 01:20:27,609 INFO L439 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:27,609 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2019-10-15 01:20:27,609 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:27,609 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-10-15 01:20:27,609 INFO L443 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2019-10-15 01:20:27,610 INFO L439 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:27,610 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse1 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:27,610 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-15 01:20:27,610 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2019-10-15 01:20:27,610 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2019-10-15 01:20:27,610 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2019-10-15 01:20:27,610 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:27,610 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:27,611 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:20:27,611 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:20:27,611 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:20:27,611 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:20:27,611 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-15 01:20:27,611 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2019-10-15 01:20:27,611 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2019-10-15 01:20:27,612 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2019-10-15 01:20:27,612 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2019-10-15 01:20:27,612 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2019-10-15 01:20:27,612 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-10-15 01:20:27,612 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-10-15 01:20:27,612 INFO L439 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:20:27,612 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-10-15 01:20:27,612 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2019-10-15 01:20:27,613 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2019-10-15 01:20:27,613 INFO L446 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2019-10-15 01:20:27,613 INFO L443 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2019-10-15 01:20:27,613 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: true [2019-10-15 01:20:27,613 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2019-10-15 01:20:27,613 INFO L439 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:27,613 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 630) no Hoare annotation was computed. [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2019-10-15 01:20:27,614 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:20:27,615 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:20:27,616 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2019-10-15 01:20:27,617 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 671 680) no Hoare annotation was computed. [2019-10-15 01:20:27,617 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2019-10-15 01:20:27,617 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:27,617 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:27,617 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:27,617 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2019-10-15 01:20:27,617 INFO L439 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:20:27,618 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2019-10-15 01:20:27,618 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-15 01:20:27,618 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-15 01:20:27,618 INFO L439 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-15 01:20:27,618 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-10-15 01:20:27,618 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2019-10-15 01:20:27,618 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2019-10-15 01:20:27,619 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2019-10-15 01:20:27,619 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2019-10-15 01:20:27,619 INFO L443 ceAbstractionStarter]: For program point L985(lines 985 989) no Hoare annotation was computed. [2019-10-15 01:20:27,619 INFO L446 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2019-10-15 01:20:27,619 INFO L443 ceAbstractionStarter]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2019-10-15 01:20:27,619 INFO L443 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-10-15 01:20:27,619 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2019-10-15 01:20:27,619 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2019-10-15 01:20:27,620 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:27,620 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:27,620 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:27,620 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:20:27,620 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2019-10-15 01:20:27,620 INFO L443 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2019-10-15 01:20:27,620 INFO L439 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse7)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse4 .cse5) (or .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse2 .cse4 .cse8) (or .cse6 .cse0 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse8 .cse2 .cse0)))) [2019-10-15 01:20:27,621 INFO L439 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse9 (not .cse11)) (.cse13 (= 1 ~systemActive~0)) (.cse14 (= 0 ~methaneLevelCritical~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse8 (and .cse10 .cse17 .cse16)) (.cse7 (not .cse17)) (.cse12 (not .cse0)) (.cse6 (and .cse15 .cse16)) (.cse1 (and .cse10 .cse16)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse13 .cse10 .cse14 .cse15)) (.cse5 (and .cse13 .cse14 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse2) (or .cse10 .cse11 .cse2 .cse12 .cse3) (or .cse7 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))))) [2019-10-15 01:20:27,621 INFO L439 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse2)))) [2019-10-15 01:20:27,621 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3) (or .cse0 .cse4 .cse3 .cse5 .cse6)))) [2019-10-15 01:20:27,622 INFO L443 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2019-10-15 01:20:27,622 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2019-10-15 01:20:27,622 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2019-10-15 01:20:27,622 INFO L446 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2019-10-15 01:20:27,622 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2019-10-15 01:20:27,622 INFO L446 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2019-10-15 01:20:27,622 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-15 01:20:27,622 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2019-10-15 01:20:27,622 INFO L446 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2019-10-15 01:20:27,623 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-15 01:20:27,623 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-15 01:20:27,623 INFO L446 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2019-10-15 01:20:27,623 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-15 01:20:27,623 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2019-10-15 01:20:27,623 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2019-10-15 01:20:27,623 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2019-10-15 01:20:27,623 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: true [2019-10-15 01:20:27,623 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2019-10-15 01:20:27,624 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2019-10-15 01:20:27,624 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2019-10-15 01:20:27,624 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2019-10-15 01:20:27,624 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:27,624 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:20:27,624 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:27,624 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:27,624 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2019-10-15 01:20:27,625 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:27,625 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2019-10-15 01:20:27,625 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:20:27,625 INFO L439 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:20:27,625 INFO L443 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2019-10-15 01:20:27,625 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2019-10-15 01:20:27,625 INFO L439 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0))) [2019-10-15 01:20:27,626 INFO L439 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~waterLevel~0)) .cse2)))) [2019-10-15 01:20:27,626 INFO L443 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2019-10-15 01:20:27,626 INFO L439 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0) (or .cse3 .cse0 .cse1))) [2019-10-15 01:20:27,626 INFO L443 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2019-10-15 01:20:27,626 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2019-10-15 01:20:27,626 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2019-10-15 01:20:27,626 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2019-10-15 01:20:27,627 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3))) [2019-10-15 01:20:27,627 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2019-10-15 01:20:27,627 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-10-15 01:20:27,627 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2019-10-15 01:20:27,627 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2019-10-15 01:20:27,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:27 BoogieIcfgContainer [2019-10-15 01:20:27,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:27,645 INFO L168 Benchmark]: Toolchain (without parser) took 16014.05 ms. Allocated memory was 144.2 MB in the beginning and 452.5 MB in the end (delta: 308.3 MB). Free memory was 100.7 MB in the beginning and 278.6 MB in the end (delta: -177.9 MB). Peak memory consumption was 327.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:27,646 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:27,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.27 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 100.5 MB in the beginning and 166.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:27,648 INFO L168 Benchmark]: Boogie Preprocessor took 85.25 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 161.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:27,649 INFO L168 Benchmark]: RCFGBuilder took 1380.70 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 161.6 MB in the beginning and 187.1 MB in the end (delta: -25.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:27,650 INFO L168 Benchmark]: TraceAbstraction took 13874.39 ms. Allocated memory was 232.3 MB in the beginning and 452.5 MB in the end (delta: 220.2 MB). Free memory was 187.1 MB in the beginning and 278.6 MB in the end (delta: -91.4 MB). Peak memory consumption was 325.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:27,654 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.27 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 100.5 MB in the beginning and 166.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.25 ms. Allocated memory is still 200.8 MB. Free memory was 166.3 MB in the beginning and 161.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1380.70 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 161.6 MB in the beginning and 187.1 MB in the end (delta: -25.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13874.39 ms. Allocated memory was 232.3 MB in the beginning and 452.5 MB in the end (delta: 220.2 MB). Free memory was 187.1 MB in the beginning and 278.6 MB in the end (delta: -91.4 MB). Peak memory consumption was 325.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Result: SAFE, OverallTime: 13.7s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, HoareTripleCheckerStatistics: 2321 SDtfs, 1227 SDslu, 5669 SDs, 0 SdLazy, 1780 SolverSat, 348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 714 GetRequests, 609 SyntacticMatches, 13 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2056 PreInvPairs, 2154 NumberOfFragments, 1869 HoareAnnotationTreeSize, 2056 FomulaSimplifications, 1911 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 7450 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1336 NumberOfCodeBlocks, 1336 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1617 ConstructedInterpolants, 0 QuantifiedInterpolants, 309407 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1823 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 169/177 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...