/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 22:46:59,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 22:46:59,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 22:46:59,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 22:46:59,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 22:46:59,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 22:46:59,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 22:46:59,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 22:46:59,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 22:46:59,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 22:46:59,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 22:46:59,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 22:46:59,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 22:46:59,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 22:46:59,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 22:46:59,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 22:46:59,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 22:46:59,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 22:46:59,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 22:46:59,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 22:46:59,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 22:46:59,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 22:46:59,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 22:46:59,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 22:46:59,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 22:46:59,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 22:46:59,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 22:46:59,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 22:46:59,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 22:46:59,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 22:46:59,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 22:46:59,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 22:46:59,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 22:46:59,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 22:46:59,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 22:46:59,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 22:46:59,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 22:46:59,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 22:46:59,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 22:46:59,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 22:46:59,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 22:46:59,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 22:46:59,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 22:46:59,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 22:46:59,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 22:46:59,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 22:46:59,396 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 22:46:59,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 22:46:59,396 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 22:46:59,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 22:46:59,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 22:46:59,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 22:46:59,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 22:46:59,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 22:46:59,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 22:46:59,399 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 22:46:59,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 22:46:59,399 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 22:46:59,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 22:46:59,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 22:46:59,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 22:46:59,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 22:46:59,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 22:46:59,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:46:59,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 22:46:59,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 22:46:59,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 22:46:59,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 22:46:59,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 22:46:59,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 22:46:59,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 22:46:59,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-08-21 22:46:59,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 22:46:59,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 22:46:59,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 22:46:59,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 22:46:59,709 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 22:46:59,709 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2020-08-21 22:46:59,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f273d1514/6502ad9677f44798b824cf5abb68dfe9/FLAG9d07346e6 [2020-08-21 22:47:00,306 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 22:47:00,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2020-08-21 22:47:00,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f273d1514/6502ad9677f44798b824cf5abb68dfe9/FLAG9d07346e6 [2020-08-21 22:47:00,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f273d1514/6502ad9677f44798b824cf5abb68dfe9 [2020-08-21 22:47:00,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 22:47:00,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 22:47:00,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 22:47:00,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 22:47:00,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 22:47:00,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:47:00" (1/1) ... [2020-08-21 22:47:00,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:00, skipping insertion in model container [2020-08-21 22:47:00,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:47:00" (1/1) ... [2020-08-21 22:47:00,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 22:47:00,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 22:47:01,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:47:01,136 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 22:47:01,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:47:01,275 INFO L208 MainTranslator]: Completed translation [2020-08-21 22:47:01,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01 WrapperNode [2020-08-21 22:47:01,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 22:47:01,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 22:47:01,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 22:47:01,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 22:47:01,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... [2020-08-21 22:47:01,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... [2020-08-21 22:47:01,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... [2020-08-21 22:47:01,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... [2020-08-21 22:47:01,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... [2020-08-21 22:47:01,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... [2020-08-21 22:47:01,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... [2020-08-21 22:47:01,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 22:47:01,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 22:47:01,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 22:47:01,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 22:47:01,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 22:47:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 22:47:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 22:47:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 22:47:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 22:47:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 22:47:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 22:47:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 22:47:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 22:47:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 22:47:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 22:47:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 22:47:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 22:47:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 22:47:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 22:47:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 22:47:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 22:47:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 22:47:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 22:47:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 22:47:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 22:47:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 22:47:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 22:47:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 22:47:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 22:47:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 22:47:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 22:47:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 22:47:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 22:47:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 22:47:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 22:47:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 22:47:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 22:47:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 22:47:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 22:47:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 22:47:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 22:47:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 22:47:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 22:47:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 22:47:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 22:47:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 22:47:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 22:47:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 22:47:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 22:47:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 22:47:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 22:47:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 22:47:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 22:47:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 22:47:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 22:47:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 22:47:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 22:47:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 22:47:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 22:47:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 22:47:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 22:47:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 22:47:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 22:47:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 22:47:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 22:47:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 22:47:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 22:47:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 22:47:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 22:47:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 22:47:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 22:47:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 22:47:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 22:47:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 22:47:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 22:47:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 22:47:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 22:47:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 22:47:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 22:47:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 22:47:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 22:47:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 22:47:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 22:47:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 22:47:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 22:47:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 22:47:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 22:47:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 22:47:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 22:47:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 22:47:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 22:47:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 22:47:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 22:47:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 22:47:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 22:47:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 22:47:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 22:47:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 22:47:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 22:47:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 22:47:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 22:47:02,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 22:47:02,505 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 22:47:02,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:47:02 BoogieIcfgContainer [2020-08-21 22:47:02,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 22:47:02,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 22:47:02,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 22:47:02,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 22:47:02,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:47:00" (1/3) ... [2020-08-21 22:47:02,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d52c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:47:02, skipping insertion in model container [2020-08-21 22:47:02,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:47:01" (2/3) ... [2020-08-21 22:47:02,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d52c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:47:02, skipping insertion in model container [2020-08-21 22:47:02,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:47:02" (3/3) ... [2020-08-21 22:47:02,519 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2020-08-21 22:47:02,529 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 22:47:02,537 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 22:47:02,551 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 22:47:02,576 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 22:47:02,576 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 22:47:02,576 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 22:47:02,576 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 22:47:02,577 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 22:47:02,577 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 22:47:02,577 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 22:47:02,577 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 22:47:02,599 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-08-21 22:47:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 22:47:02,610 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:47:02,611 INFO L422 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] [2020-08-21 22:47:02,611 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:47:02,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:47:02,618 INFO L82 PathProgramCache]: Analyzing trace with hash -83384634, now seen corresponding path program 1 times [2020-08-21 22:47:02,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:47:02,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387278114] [2020-08-21 22:47:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:47:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,234 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:47:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:47:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:47:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:47:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:47:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:47:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:47:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 22:47:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 22:47:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:47:03,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387278114] [2020-08-21 22:47:03,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:47:03,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 22:47:03,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856019735] [2020-08-21 22:47:03,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 22:47:03,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:47:03,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 22:47:03,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 22:47:03,365 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-08-21 22:47:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:47:04,362 INFO L93 Difference]: Finished difference Result 293 states and 388 transitions. [2020-08-21 22:47:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 22:47:04,364 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 22:47:04,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:47:04,379 INFO L225 Difference]: With dead ends: 293 [2020-08-21 22:47:04,379 INFO L226 Difference]: Without dead ends: 164 [2020-08-21 22:47:04,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 22:47:04,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-21 22:47:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2020-08-21 22:47:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-08-21 22:47:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2020-08-21 22:47:04,550 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2020-08-21 22:47:04,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:47:04,550 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2020-08-21 22:47:04,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 22:47:04,551 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2020-08-21 22:47:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 22:47:04,561 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:47:04,561 INFO L422 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] [2020-08-21 22:47:04,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 22:47:04,562 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:47:04,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:47:04,562 INFO L82 PathProgramCache]: Analyzing trace with hash -38187558, now seen corresponding path program 1 times [2020-08-21 22:47:04,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:47:04,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62683971] [2020-08-21 22:47:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:47:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:04,977 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:47:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:47:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:47:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:47:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:47:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:47:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:47:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:47:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 22:47:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:47:05,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62683971] [2020-08-21 22:47:05,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:47:05,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 22:47:05,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290396544] [2020-08-21 22:47:05,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 22:47:05,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:47:05,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 22:47:05,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 22:47:05,034 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 5 states. [2020-08-21 22:47:05,491 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:47:06,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:47:06,405 INFO L93 Difference]: Finished difference Result 232 states and 291 transitions. [2020-08-21 22:47:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 22:47:06,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 22:47:06,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:47:06,408 INFO L225 Difference]: With dead ends: 232 [2020-08-21 22:47:06,408 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 22:47:06,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:47:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 22:47:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 121. [2020-08-21 22:47:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-08-21 22:47:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2020-08-21 22:47:06,447 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2020-08-21 22:47:06,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:47:06,448 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2020-08-21 22:47:06,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 22:47:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2020-08-21 22:47:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 22:47:06,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:47:06,467 INFO L422 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] [2020-08-21 22:47:06,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 22:47:06,467 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:47:06,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:47:06,468 INFO L82 PathProgramCache]: Analyzing trace with hash -47793526, now seen corresponding path program 1 times [2020-08-21 22:47:06,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:47:06,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151026972] [2020-08-21 22:47:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:47:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,795 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:47:06,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:47:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:47:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:47:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:47:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:47:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:47:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 22:47:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 22:47:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:06,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:47:06,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151026972] [2020-08-21 22:47:06,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:47:06,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:47:06,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626292986] [2020-08-21 22:47:06,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:47:06,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:47:06,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:47:06,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:47:06,902 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 9 states. [2020-08-21 22:47:07,294 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:47:07,634 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:07,885 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:08,146 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:08,983 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:47:10,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:47:10,941 INFO L93 Difference]: Finished difference Result 411 states and 525 transitions. [2020-08-21 22:47:10,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 22:47:10,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 22:47:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:47:10,959 INFO L225 Difference]: With dead ends: 411 [2020-08-21 22:47:10,959 INFO L226 Difference]: Without dead ends: 318 [2020-08-21 22:47:10,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 22:47:10,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-08-21 22:47:11,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 257. [2020-08-21 22:47:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-08-21 22:47:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 316 transitions. [2020-08-21 22:47:11,027 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 316 transitions. Word has length 56 [2020-08-21 22:47:11,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:47:11,027 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 316 transitions. [2020-08-21 22:47:11,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:47:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 316 transitions. [2020-08-21 22:47:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 22:47:11,029 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:47:11,029 INFO L422 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] [2020-08-21 22:47:11,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 22:47:11,030 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:47:11,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:47:11,030 INFO L82 PathProgramCache]: Analyzing trace with hash -670381442, now seen corresponding path program 1 times [2020-08-21 22:47:11,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:47:11,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144641339] [2020-08-21 22:47:11,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:47:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,318 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:47:11,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:47:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:47:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:47:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:47:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:47:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:47:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:47:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 22:47:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 22:47:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:47:11,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144641339] [2020-08-21 22:47:11,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:47:11,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:47:11,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711554248] [2020-08-21 22:47:11,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:47:11,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:47:11,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:47:11,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:47:11,427 INFO L87 Difference]: Start difference. First operand 257 states and 316 transitions. Second operand 9 states. [2020-08-21 22:47:11,850 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:47:12,950 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:13,360 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:47:13,656 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:13,990 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:15,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:47:15,379 INFO L93 Difference]: Finished difference Result 821 states and 1099 transitions. [2020-08-21 22:47:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 22:47:15,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 22:47:15,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:47:15,386 INFO L225 Difference]: With dead ends: 821 [2020-08-21 22:47:15,386 INFO L226 Difference]: Without dead ends: 592 [2020-08-21 22:47:15,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 22:47:15,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-08-21 22:47:15,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 462. [2020-08-21 22:47:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-08-21 22:47:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 572 transitions. [2020-08-21 22:47:15,519 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 572 transitions. Word has length 62 [2020-08-21 22:47:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:47:15,519 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 572 transitions. [2020-08-21 22:47:15,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:47:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 572 transitions. [2020-08-21 22:47:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 22:47:15,522 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:47:15,522 INFO L422 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] [2020-08-21 22:47:15,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 22:47:15,523 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:47:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:47:15,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1429119450, now seen corresponding path program 1 times [2020-08-21 22:47:15,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:47:15,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214243084] [2020-08-21 22:47:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:47:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,812 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:47:15,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:47:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:47:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:47:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:47:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:47:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:47:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 22:47:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 22:47:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 22:47:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 22:47:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:47:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:47:15,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214243084] [2020-08-21 22:47:15,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:47:15,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 22:47:15,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166358746] [2020-08-21 22:47:15,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 22:47:15,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:47:15,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 22:47:15,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:47:15,924 INFO L87 Difference]: Start difference. First operand 462 states and 572 transitions. Second operand 10 states. [2020-08-21 22:47:16,416 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:47:17,419 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:17,677 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:17,923 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:47:18,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:47:18,415 INFO L93 Difference]: Finished difference Result 827 states and 1100 transitions. [2020-08-21 22:47:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 22:47:18,416 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 22:47:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:47:18,417 INFO L225 Difference]: With dead ends: 827 [2020-08-21 22:47:18,417 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 22:47:18,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 22:47:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 22:47:18,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 22:47:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 22:47:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 22:47:18,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 22:47:18,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:47:18,423 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 22:47:18,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 22:47:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 22:47:18,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 22:47:18,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 22:47:18,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 22:47:22,250 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 22:47:22,414 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 22:47:22,576 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 22:47:22,747 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 22:47:22,912 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 22:47:23,255 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 22:47:23,601 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 22:47:23,822 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:47:24,138 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 22:47:24,297 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 22:47:24,601 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 22:47:24,784 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 22:47:24,966 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 22:47:25,267 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 22:47:25,595 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 22:47:25,957 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 22:47:26,145 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 22:47:26,653 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 22:47:26,961 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 22:47:27,108 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 22:47:27,415 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 22:47:27,574 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 22:47:27,746 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 22:47:27,907 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 22:47:28,275 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 22:47:28,588 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 22:47:28,600 INFO L268 CegarLoopResult]: For program point L477(lines 454 478) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 430 485) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point L461-1(lines 461 465) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 430 485) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point L455-2(lines 455 476) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 430 485) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point L512-2(lines 512 537) no Hoare annotation was computed. [2020-08-21 22:47:28,601 INFO L268 CegarLoopResult]: For program point L538(lines 511 539) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 486 545) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L268 CegarLoopResult]: For program point L531-1(line 531) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 486 545) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 486 545) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L268 CegarLoopResult]: For program point L518-1(lines 518 522) no Hoare annotation was computed. [2020-08-21 22:47:28,602 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 361 367) the Hoare annotation is: true [2020-08-21 22:47:28,603 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 361 367) no Hoare annotation was computed. [2020-08-21 22:47:28,603 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 368 376) no Hoare annotation was computed. [2020-08-21 22:47:28,603 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 368 376) the Hoare annotation is: true [2020-08-21 22:47:28,603 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 368 376) no Hoare annotation was computed. [2020-08-21 22:47:28,603 INFO L268 CegarLoopResult]: For program point L866-1(lines 866 873) no Hoare annotation was computed. [2020-08-21 22:47:28,604 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-21 22:47:28,604 INFO L264 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,604 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,605 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 856 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,605 INFO L264 CegarLoopResult]: At program point L862-1(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,605 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 856 878) no Hoare annotation was computed. [2020-08-21 22:47:28,605 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 856 878) no Hoare annotation was computed. [2020-08-21 22:47:28,605 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,606 INFO L264 CegarLoopResult]: At program point L868-1(line 868) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,606 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-08-21 22:47:28,606 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-08-21 22:47:28,606 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 814 837) no Hoare annotation was computed. [2020-08-21 22:47:28,606 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-21 22:47:28,606 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-08-21 22:47:28,606 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-08-21 22:47:28,606 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 814 837) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 814 837) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-21 22:47:28,607 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-21 22:47:28,608 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-21 22:47:28,608 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,608 INFO L268 CegarLoopResult]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2020-08-21 22:47:28,608 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,608 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 165 189) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,608 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,608 INFO L268 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-08-21 22:47:28,608 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 165 189) no Hoare annotation was computed. [2020-08-21 22:47:28,608 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,608 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-08-21 22:47:28,608 INFO L268 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-08-21 22:47:28,609 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 324 338) no Hoare annotation was computed. [2020-08-21 22:47:28,609 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 22:47:28,609 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-08-21 22:47:28,609 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 324 338) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 22:47:28,609 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 324 338) no Hoare annotation was computed. [2020-08-21 22:47:28,609 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 260 268) no Hoare annotation was computed. [2020-08-21 22:47:28,609 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 260 268) the Hoare annotation is: true [2020-08-21 22:47:28,609 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 260 268) no Hoare annotation was computed. [2020-08-21 22:47:28,609 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-08-21 22:47:28,609 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 305 323) the Hoare annotation is: true [2020-08-21 22:47:28,609 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 305 323) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 305 323) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L276(lines 276 284) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 269 304) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-08-21 22:47:28,610 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 269 304) no Hoare annotation was computed. [2020-08-21 22:47:28,611 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 269 304) no Hoare annotation was computed. [2020-08-21 22:47:28,611 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 354 360) no Hoare annotation was computed. [2020-08-21 22:47:28,611 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 354 360) the Hoare annotation is: true [2020-08-21 22:47:28,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 384 429) no Hoare annotation was computed. [2020-08-21 22:47:28,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 384 429) no Hoare annotation was computed. [2020-08-21 22:47:28,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 384 429) no Hoare annotation was computed. [2020-08-21 22:47:28,611 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 697 742) no Hoare annotation was computed. [2020-08-21 22:47:28,611 INFO L268 CegarLoopResult]: For program point L717(lines 717 724) no Hoare annotation was computed. [2020-08-21 22:47:28,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 697 742) no Hoare annotation was computed. [2020-08-21 22:47:28,612 INFO L268 CegarLoopResult]: For program point L711(lines 711 731) no Hoare annotation was computed. [2020-08-21 22:47:28,612 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 731) no Hoare annotation was computed. [2020-08-21 22:47:28,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 697 742) no Hoare annotation was computed. [2020-08-21 22:47:28,612 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 845 855) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,612 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 845 855) no Hoare annotation was computed. [2020-08-21 22:47:28,612 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 845 855) no Hoare annotation was computed. [2020-08-21 22:47:28,612 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,612 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 249 259) the Hoare annotation is: true [2020-08-21 22:47:28,612 INFO L271 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: true [2020-08-21 22:47:28,612 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-08-21 22:47:28,613 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 249 259) no Hoare annotation was computed. [2020-08-21 22:47:28,613 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 249 259) no Hoare annotation was computed. [2020-08-21 22:47:28,613 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 241 248) the Hoare annotation is: true [2020-08-21 22:47:28,613 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 241 248) no Hoare annotation was computed. [2020-08-21 22:47:28,613 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 241 248) no Hoare annotation was computed. [2020-08-21 22:47:28,613 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 191 215) no Hoare annotation was computed. [2020-08-21 22:47:28,613 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 191 215) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,613 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,613 INFO L268 CegarLoopResult]: For program point L210-1(lines 191 215) no Hoare annotation was computed. [2020-08-21 22:47:28,613 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,613 INFO L264 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,613 INFO L268 CegarLoopResult]: For program point L199(lines 199 207) no Hoare annotation was computed. [2020-08-21 22:47:28,614 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,614 INFO L268 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-08-21 22:47:28,614 INFO L268 CegarLoopResult]: For program point L195(lines 195 212) no Hoare annotation was computed. [2020-08-21 22:47:28,614 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2020-08-21 22:47:28,614 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2020-08-21 22:47:28,614 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,614 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:47:28,614 INFO L268 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-08-21 22:47:28,615 INFO L264 CegarLoopResult]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:47:28,615 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-08-21 22:47:28,615 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-08-21 22:47:28,615 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-08-21 22:47:28,615 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:47:28,615 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-21 22:47:28,615 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-21 22:47:28,615 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:47:28,615 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:47:28,615 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-08-21 22:47:28,615 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 651 696) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 651 696) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 651 696) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 216 223) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 216 223) no Hoare annotation was computed. [2020-08-21 22:47:28,616 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 216 223) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 960 968) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 960 968) the Hoare annotation is: true [2020-08-21 22:47:28,617 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 960 968) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 22:47:28,617 INFO L268 CegarLoopResult]: For program point L766(lines 766 772) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L268 CegarLoopResult]: For program point L765(lines 765 775) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 22:47:28,617 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L268 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L268 CegarLoopResult]: For program point L761-1(lines 753 781) no Hoare annotation was computed. [2020-08-21 22:47:28,617 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 753 781) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 753 781) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 928 950) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point L936(lines 936 944) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point L936-2(lines 936 944) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 928 950) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 928 950) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 745 752) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 745 752) no Hoare annotation was computed. [2020-08-21 22:47:28,618 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 745 752) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 344 353) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 344 353) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 344 353) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 548 650) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point L572(lines 572 576) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point L636(lines 636 647) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-08-21 22:47:28,619 INFO L268 CegarLoopResult]: For program point L597-2(lines 597 617) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point L618(lines 596 619) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 548 650) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point L577(lines 577 593) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point L637(lines 637 644) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point L598(lines 597 617) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point L629(line 629) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-08-21 22:47:28,620 INFO L268 CegarLoopResult]: For program point L594(lines 594 635) no Hoare annotation was computed. [2020-08-21 22:47:28,621 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 548 650) no Hoare annotation was computed. [2020-08-21 22:47:28,621 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-21 22:47:28,621 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-08-21 22:47:28,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:47:28,621 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 224 240) no Hoare annotation was computed. [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point L235-1(lines 224 240) no Hoare annotation was computed. [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 224 240) no Hoare annotation was computed. [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point L231(lines 231 237) no Hoare annotation was computed. [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-08-21 22:47:28,622 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 951 959) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 951 959) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 951 959) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point L911-1(lines 907 918) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 907 918) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 907 918) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 22:47:28,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:47:28,624 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,624 INFO L264 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,624 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:47:28,624 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 22:47:28,624 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2020-08-21 22:47:28,624 INFO L268 CegarLoopResult]: For program point L137(lines 136 155) no Hoare annotation was computed. [2020-08-21 22:47:28,624 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2020-08-21 22:47:28,625 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2020-08-21 22:47:28,625 INFO L268 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-08-21 22:47:28,625 INFO L271 CegarLoopResult]: At program point L798-1(lines 798 802) the Hoare annotation is: true [2020-08-21 22:47:28,625 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: true [2020-08-21 22:47:28,625 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-08-21 22:47:28,625 INFO L271 CegarLoopResult]: At program point L794-2(lines 794 808) the Hoare annotation is: true [2020-08-21 22:47:28,625 INFO L271 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: true [2020-08-21 22:47:28,625 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-08-21 22:47:28,626 INFO L271 CegarLoopResult]: At program point L809(lines 784 813) the Hoare annotation is: true [2020-08-21 22:47:28,626 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-21 22:47:28,626 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 919 927) the Hoare annotation is: true [2020-08-21 22:47:28,626 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 919 927) no Hoare annotation was computed. [2020-08-21 22:47:28,626 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 919 927) no Hoare annotation was computed. [2020-08-21 22:47:28,626 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 883 894) the Hoare annotation is: true [2020-08-21 22:47:28,626 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-08-21 22:47:28,626 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-08-21 22:47:28,626 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 838 844) no Hoare annotation was computed. [2020-08-21 22:47:28,626 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 838 844) the Hoare annotation is: true [2020-08-21 22:47:28,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:47:28,627 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 22:47:28,627 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 22:47:28,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:47:28,627 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 895 906) no Hoare annotation was computed. [2020-08-21 22:47:28,627 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 895 906) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 22:47:28,627 INFO L268 CegarLoopResult]: For program point L899-1(lines 895 906) no Hoare annotation was computed. [2020-08-21 22:47:28,627 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 112 119) no Hoare annotation was computed. [2020-08-21 22:47:28,628 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2020-08-21 22:47:28,628 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 112 119) the Hoare annotation is: true [2020-08-21 22:47:28,628 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 112 119) no Hoare annotation was computed. [2020-08-21 22:47:28,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 10:47:28 BoogieIcfgContainer [2020-08-21 22:47:28,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 22:47:28,647 INFO L168 Benchmark]: Toolchain (without parser) took 28050.53 ms. Allocated memory was 141.0 MB in the beginning and 671.1 MB in the end (delta: 530.1 MB). Free memory was 103.1 MB in the beginning and 420.3 MB in the end (delta: -317.2 MB). Peak memory consumption was 519.1 MB. Max. memory is 7.1 GB. [2020-08-21 22:47:28,648 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 22:47:28,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.14 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 173.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-08-21 22:47:28,650 INFO L168 Benchmark]: Boogie Preprocessor took 85.76 ms. Allocated memory is still 205.0 MB. Free memory was 173.6 MB in the beginning and 169.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 22:47:28,651 INFO L168 Benchmark]: RCFGBuilder took 1148.30 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 169.6 MB in the beginning and 194.8 MB in the end (delta: -25.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-08-21 22:47:28,651 INFO L168 Benchmark]: TraceAbstraction took 26133.49 ms. Allocated memory was 236.5 MB in the beginning and 671.1 MB in the end (delta: 434.6 MB). Free memory was 193.4 MB in the beginning and 420.3 MB in the end (delta: -226.8 MB). Peak memory consumption was 514.0 MB. Max. memory is 7.1 GB. [2020-08-21 22:47:28,655 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.14 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 173.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.76 ms. Allocated memory is still 205.0 MB. Free memory was 173.6 MB in the beginning and 169.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1148.30 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 169.6 MB in the beginning and 194.8 MB in the end (delta: -25.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26133.49 ms. Allocated memory was 236.5 MB in the beginning and 671.1 MB in the end (delta: 434.6 MB). Free memory was 193.4 MB in the beginning and 420.3 MB in the end (delta: -226.8 MB). Peak memory consumption was 514.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: 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: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 545 SDtfs, 1112 SDslu, 566 SDs, 0 SdLazy, 2637 SolverSat, 829 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=4, 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, 5 MinimizatonAttempts, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 637 PreInvPairs, 728 NumberOfFragments, 823 HoareAnnotationTreeSize, 637 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 19019 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 83506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...