/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 02:33:29,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 02:33:29,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 02:33:29,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 02:33:29,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 02:33:29,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 02:33:29,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 02:33:29,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 02:33:29,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 02:33:29,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 02:33:29,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 02:33:29,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 02:33:29,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 02:33:29,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 02:33:29,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 02:33:29,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 02:33:29,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 02:33:29,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 02:33:29,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 02:33:29,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 02:33:29,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 02:33:29,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 02:33:29,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 02:33:29,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 02:33:29,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 02:33:29,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 02:33:29,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 02:33:29,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 02:33:29,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 02:33:29,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 02:33:29,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 02:33:29,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 02:33:29,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 02:33:29,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 02:33:29,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 02:33:29,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 02:33:29,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 02:33:29,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 02:33:29,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 02:33:29,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 02:33:29,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 02:33:29,310 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 [2020-08-19 02:33:29,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 02:33:29,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 02:33:29,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 02:33:29,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 02:33:29,355 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 02:33:29,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 02:33:29,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 02:33:29,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 02:33:29,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 02:33:29,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 02:33:29,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 02:33:29,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 02:33:29,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 02:33:29,359 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 02:33:29,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 02:33:29,359 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 02:33:29,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 02:33:29,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 02:33:29,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 02:33:29,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 02:33:29,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 02:33:29,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 02:33:29,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 02:33:29,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 02:33:29,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 02:33:29,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 02:33:29,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 02:33:29,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 02:33:29,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 02:33:29,362 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=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0; [2020-08-19 02:33:29,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 02:33:29,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 02:33:29,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 02:33:29,678 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 02:33:29,680 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 02:33:29,681 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-08-19 02:33:29,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4e91ec6/7009d7a490ec479cae028f10a4f9bb23/FLAG96094d794 [2020-08-19 02:33:30,255 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 02:33:30,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-08-19 02:33:30,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4e91ec6/7009d7a490ec479cae028f10a4f9bb23/FLAG96094d794 [2020-08-19 02:33:30,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4e91ec6/7009d7a490ec479cae028f10a4f9bb23 [2020-08-19 02:33:30,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 02:33:30,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 02:33:30,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 02:33:30,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 02:33:30,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 02:33:30,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:33:30" (1/1) ... [2020-08-19 02:33:30,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:30, skipping insertion in model container [2020-08-19 02:33:30,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:33:30" (1/1) ... [2020-08-19 02:33:30,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 02:33:30,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 02:33:31,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:33:31,051 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 02:33:31,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:33:31,176 INFO L208 MainTranslator]: Completed translation [2020-08-19 02:33:31,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31 WrapperNode [2020-08-19 02:33:31,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 02:33:31,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 02:33:31,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 02:33:31,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 02:33:31,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (1/1) ... [2020-08-19 02:33:31,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (1/1) ... [2020-08-19 02:33:31,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (1/1) ... [2020-08-19 02:33:31,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (1/1) ... [2020-08-19 02:33:31,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (1/1) ... [2020-08-19 02:33:31,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (1/1) ... [2020-08-19 02:33:31,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (1/1) ... [2020-08-19 02:33:31,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 02:33:31,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 02:33:31,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 02:33:31,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 02:33:31,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (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 [2020-08-19 02:33:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 02:33:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 02:33:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 02:33:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 02:33:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 02:33:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 02:33:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-19 02:33:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 02:33:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 02:33:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 02:33:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 02:33:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 02:33:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 02:33:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 02:33:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 02:33:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 02:33:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 02:33:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 02:33:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 02:33:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 02:33:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 02:33:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 02:33:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 02:33:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 02:33:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 02:33:31,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 02:33:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 02:33:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 02:33:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 02:33:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 02:33:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 02:33:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-19 02:33:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-19 02:33:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 02:33:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 02:33:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 02:33:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 02:33:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 02:33:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 02:33:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 02:33:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 02:33:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 02:33:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 02:33:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 02:33:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 02:33:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 02:33:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 02:33:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 02:33:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 02:33:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 02:33:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-19 02:33:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 02:33:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 02:33:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 02:33:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-19 02:33:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 02:33:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 02:33:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 02:33:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 02:33:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 02:33:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 02:33:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 02:33:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 02:33:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 02:33:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 02:33:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 02:33:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 02:33:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 02:33:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 02:33:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 02:33:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 02:33:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 02:33:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 02:33:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 02:33:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 02:33:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 02:33:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 02:33:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 02:33:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 02:33:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 02:33:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 02:33:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 02:33:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-19 02:33:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 02:33:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 02:33:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 02:33:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 02:33:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 02:33:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 02:33:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 02:33:32,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 02:33:32,386 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 02:33:32,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:33:32 BoogieIcfgContainer [2020-08-19 02:33:32,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 02:33:32,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 02:33:32,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 02:33:32,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 02:33:32,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 02:33:30" (1/3) ... [2020-08-19 02:33:32,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325202da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:33:32, skipping insertion in model container [2020-08-19 02:33:32,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:33:31" (2/3) ... [2020-08-19 02:33:32,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325202da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:33:32, skipping insertion in model container [2020-08-19 02:33:32,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:33:32" (3/3) ... [2020-08-19 02:33:32,401 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-08-19 02:33:32,412 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 02:33:32,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 02:33:32,435 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 02:33:32,461 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 02:33:32,461 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 02:33:32,461 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 02:33:32,461 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 02:33:32,462 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 02:33:32,462 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 02:33:32,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 02:33:32,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 02:33:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-08-19 02:33:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-19 02:33:32,497 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:33:32,498 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] [2020-08-19 02:33:32,499 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:33:32,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:33:32,506 INFO L82 PathProgramCache]: Analyzing trace with hash -936458787, now seen corresponding path program 1 times [2020-08-19 02:33:32,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:33:32,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610390869] [2020-08-19 02:33:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:33:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,220 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 02:33:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:33:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 02:33:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 02:33:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 02:33:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 02:33:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 02:33:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 02:33:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 02:33:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:33:33,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610390869] [2020-08-19 02:33:33,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:33:33,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 02:33:33,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910141930] [2020-08-19 02:33:33,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 02:33:33,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:33:33,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 02:33:33,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-19 02:33:33,430 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-08-19 02:33:34,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:33:34,546 INFO L93 Difference]: Finished difference Result 251 states and 335 transitions. [2020-08-19 02:33:34,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-19 02:33:34,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-19 02:33:34,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:33:34,569 INFO L225 Difference]: With dead ends: 251 [2020-08-19 02:33:34,569 INFO L226 Difference]: Without dead ends: 142 [2020-08-19 02:33:34,574 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 [2020-08-19 02:33:34,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-19 02:33:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-08-19 02:33:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-19 02:33:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2020-08-19 02:33:34,667 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2020-08-19 02:33:34,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:33:34,670 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2020-08-19 02:33:34,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 02:33:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2020-08-19 02:33:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 02:33:34,675 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:33:34,676 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] [2020-08-19 02:33:34,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 02:33:34,676 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:33:34,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:33:34,677 INFO L82 PathProgramCache]: Analyzing trace with hash -137557085, now seen corresponding path program 1 times [2020-08-19 02:33:34,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:33:34,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176696612] [2020-08-19 02:33:34,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:33:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,060 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 02:33:35,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:33:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 02:33:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 02:33:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 02:33:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 02:33:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 02:33:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 02:33:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-19 02:33:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:33:35,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176696612] [2020-08-19 02:33:35,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:33:35,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 02:33:35,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704206818] [2020-08-19 02:33:35,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 02:33:35,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:33:35,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 02:33:35,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 02:33:35,120 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 5 states. [2020-08-19 02:33:35,619 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 02:33:36,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:33:36,332 INFO L93 Difference]: Finished difference Result 190 states and 238 transitions. [2020-08-19 02:33:36,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 02:33:36,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-19 02:33:36,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:33:36,336 INFO L225 Difference]: With dead ends: 190 [2020-08-19 02:33:36,336 INFO L226 Difference]: Without dead ends: 132 [2020-08-19 02:33:36,337 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 [2020-08-19 02:33:36,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-19 02:33:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 101. [2020-08-19 02:33:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-08-19 02:33:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2020-08-19 02:33:36,369 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2020-08-19 02:33:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:33:36,370 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2020-08-19 02:33:36,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 02:33:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2020-08-19 02:33:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-19 02:33:36,372 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:33:36,372 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] [2020-08-19 02:33:36,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 02:33:36,373 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:33:36,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:33:36,373 INFO L82 PathProgramCache]: Analyzing trace with hash 734191743, now seen corresponding path program 1 times [2020-08-19 02:33:36,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:33:36,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952881662] [2020-08-19 02:33:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:33:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,725 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 02:33:36,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:33:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 02:33:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 02:33:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 02:33:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 02:33:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 02:33:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 02:33:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 02:33:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:33:36,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952881662] [2020-08-19 02:33:36,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:33:36,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 02:33:36,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698451080] [2020-08-19 02:33:36,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 02:33:36,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:33:36,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 02:33:36,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 02:33:36,852 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 9 states. [2020-08-19 02:33:37,256 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 02:33:37,568 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:37,855 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:38,095 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:38,906 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 02:33:40,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:33:40,294 INFO L93 Difference]: Finished difference Result 347 states and 444 transitions. [2020-08-19 02:33:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-19 02:33:40,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-19 02:33:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:33:40,300 INFO L225 Difference]: With dead ends: 347 [2020-08-19 02:33:40,301 INFO L226 Difference]: Without dead ends: 274 [2020-08-19 02:33:40,302 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 [2020-08-19 02:33:40,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-19 02:33:40,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 217. [2020-08-19 02:33:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-08-19 02:33:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 266 transitions. [2020-08-19 02:33:40,368 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 266 transitions. Word has length 56 [2020-08-19 02:33:40,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:33:40,369 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 266 transitions. [2020-08-19 02:33:40,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 02:33:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 266 transitions. [2020-08-19 02:33:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-19 02:33:40,371 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:33:40,372 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] [2020-08-19 02:33:40,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 02:33:40,372 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:33:40,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:33:40,372 INFO L82 PathProgramCache]: Analyzing trace with hash -667828357, now seen corresponding path program 1 times [2020-08-19 02:33:40,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:33:40,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536272944] [2020-08-19 02:33:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:33:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,730 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 02:33:40,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:33:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 02:33:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 02:33:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 02:33:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 02:33:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 02:33:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 02:33:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 02:33:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-19 02:33:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:33:40,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536272944] [2020-08-19 02:33:40,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:33:40,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 02:33:40,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401860239] [2020-08-19 02:33:40,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 02:33:40,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:33:40,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 02:33:40,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 02:33:40,845 INFO L87 Difference]: Start difference. First operand 217 states and 266 transitions. Second operand 9 states. [2020-08-19 02:33:41,427 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 02:33:42,503 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:42,888 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 02:33:43,181 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:43,463 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:44,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:33:44,460 INFO L93 Difference]: Finished difference Result 693 states and 937 transitions. [2020-08-19 02:33:44,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-19 02:33:44,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-19 02:33:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:33:44,472 INFO L225 Difference]: With dead ends: 693 [2020-08-19 02:33:44,472 INFO L226 Difference]: Without dead ends: 504 [2020-08-19 02:33:44,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-19 02:33:44,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-08-19 02:33:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 382. [2020-08-19 02:33:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-08-19 02:33:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 472 transitions. [2020-08-19 02:33:44,596 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 472 transitions. Word has length 62 [2020-08-19 02:33:44,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:33:44,596 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 472 transitions. [2020-08-19 02:33:44,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 02:33:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2020-08-19 02:33:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-19 02:33:44,600 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:33:44,600 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] [2020-08-19 02:33:44,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 02:33:44,601 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:33:44,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:33:44,603 INFO L82 PathProgramCache]: Analyzing trace with hash 824409239, now seen corresponding path program 1 times [2020-08-19 02:33:44,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:33:44,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086875513] [2020-08-19 02:33:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:33:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:44,935 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 02:33:44,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:33:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:44,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 02:33:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:44,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 02:33:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 02:33:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:44,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 02:33:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:44,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 02:33:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:45,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-19 02:33:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 02:33:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 02:33:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-19 02:33:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:33:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:33:45,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086875513] [2020-08-19 02:33:45,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:33:45,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-19 02:33:45,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286431654] [2020-08-19 02:33:45,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 02:33:45,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:33:45,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 02:33:45,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-19 02:33:45,063 INFO L87 Difference]: Start difference. First operand 382 states and 472 transitions. Second operand 10 states. [2020-08-19 02:33:45,519 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 02:33:46,498 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:46,787 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:47,055 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-19 02:33:47,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:33:47,528 INFO L93 Difference]: Finished difference Result 727 states and 972 transitions. [2020-08-19 02:33:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 02:33:47,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-19 02:33:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:33:47,530 INFO L225 Difference]: With dead ends: 727 [2020-08-19 02:33:47,530 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 02:33:47,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-19 02:33:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 02:33:47,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 02:33:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 02:33:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 02:33:47,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-19 02:33:47,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:33:47,535 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 02:33:47,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 02:33:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 02:33:47,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 02:33:47,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 02:33:47,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 02:33:47,867 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 6 [2020-08-19 02:33:50,850 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-19 02:33:51,057 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 02:33:51,390 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-19 02:33:51,708 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-19 02:33:51,871 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 02:33:52,223 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-19 02:33:52,434 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 02:33:52,762 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-19 02:33:52,921 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-19 02:33:53,269 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-19 02:33:53,600 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-19 02:33:53,762 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 02:33:53,947 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 02:33:54,303 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-19 02:33:54,507 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 02:33:54,675 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-19 02:33:54,842 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-19 02:33:55,027 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-19 02:33:55,193 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-19 02:33:55,377 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-19 02:33:55,543 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-19 02:33:55,894 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-19 02:33:56,209 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-19 02:33:56,518 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-19 02:33:56,522 INFO L268 CegarLoopResult]: For program point L474(lines 451 475) no Hoare annotation was computed. [2020-08-19 02:33:56,523 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 427 482) no Hoare annotation was computed. [2020-08-19 02:33:56,523 INFO L268 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-08-19 02:33:56,523 INFO L268 CegarLoopResult]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2020-08-19 02:33:56,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 427 482) no Hoare annotation was computed. [2020-08-19 02:33:56,524 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-08-19 02:33:56,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 427 482) no Hoare annotation was computed. [2020-08-19 02:33:56,524 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 473) no Hoare annotation was computed. [2020-08-19 02:33:56,524 INFO L268 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-08-19 02:33:56,524 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 534) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point L535(lines 508 536) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 483 542) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point L528-1(line 528) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 483 542) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 483 542) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point L515(lines 515 519) no Hoare annotation was computed. [2020-08-19 02:33:56,525 INFO L268 CegarLoopResult]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2020-08-19 02:33:56,526 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 762 768) the Hoare annotation is: true [2020-08-19 02:33:56,526 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 762 768) no Hoare annotation was computed. [2020-08-19 02:33:56,526 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 769 777) no Hoare annotation was computed. [2020-08-19 02:33:56,526 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 769 777) the Hoare annotation is: true [2020-08-19 02:33:56,526 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 769 777) no Hoare annotation was computed. [2020-08-19 02:33:56,526 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 02:33:56,527 INFO L264 CegarLoopResult]: At program point L897-1(line 897) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 02:33:56,527 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 891 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 02:33:56,527 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 891 913) no Hoare annotation was computed. [2020-08-19 02:33:56,527 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 891 913) no Hoare annotation was computed. [2020-08-19 02:33:56,527 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-19 02:33:56,528 INFO L264 CegarLoopResult]: At program point L903-1(line 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-19 02:33:56,528 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-08-19 02:33:56,528 INFO L268 CegarLoopResult]: For program point L901-1(lines 901 908) no Hoare annotation was computed. [2020-08-19 02:33:56,528 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-08-19 02:33:56,528 INFO L264 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 02:33:56,528 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-08-19 02:33:56,528 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 849 872) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 849 872) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 849 872) no Hoare annotation was computed. [2020-08-19 02:33:56,529 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 77 83) no Hoare annotation was computed. [2020-08-19 02:33:56,530 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 77 83) the Hoare annotation is: true [2020-08-19 02:33:56,531 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 199 213) no Hoare annotation was computed. [2020-08-19 02:33:56,531 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 02:33:56,531 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-08-19 02:33:56,531 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 199 213) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-19 02:33:56,531 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 199 213) no Hoare annotation was computed. [2020-08-19 02:33:56,531 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 110 117) no Hoare annotation was computed. [2020-08-19 02:33:56,531 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 110 117) no Hoare annotation was computed. [2020-08-19 02:33:56,532 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 110 117) no Hoare annotation was computed. [2020-08-19 02:33:56,532 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 154 162) no Hoare annotation was computed. [2020-08-19 02:33:56,532 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 154 162) the Hoare annotation is: true [2020-08-19 02:33:56,532 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 154 162) no Hoare annotation was computed. [2020-08-19 02:33:56,532 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 02:33:56,532 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-19 02:33:56,532 INFO L268 CegarLoopResult]: For program point L182(lines 182 190) no Hoare annotation was computed. [2020-08-19 02:33:56,532 INFO L268 CegarLoopResult]: For program point L182-2(lines 182 190) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 163 198) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 163 198) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 163 198) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 755 761) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 755 761) the Hoare annotation is: true [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 381 426) no Hoare annotation was computed. [2020-08-19 02:33:56,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 381 426) no Hoare annotation was computed. [2020-08-19 02:33:56,534 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 381 426) no Hoare annotation was computed. [2020-08-19 02:33:56,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 694 739) no Hoare annotation was computed. [2020-08-19 02:33:56,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 694 739) no Hoare annotation was computed. [2020-08-19 02:33:56,534 INFO L268 CegarLoopResult]: For program point L714(lines 714 721) no Hoare annotation was computed. [2020-08-19 02:33:56,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 694 739) no Hoare annotation was computed. [2020-08-19 02:33:56,534 INFO L268 CegarLoopResult]: For program point L708(lines 708 728) no Hoare annotation was computed. [2020-08-19 02:33:56,534 INFO L268 CegarLoopResult]: For program point L708-1(lines 708 728) no Hoare annotation was computed. [2020-08-19 02:33:56,535 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 880 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 02:33:56,535 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 880 890) no Hoare annotation was computed. [2020-08-19 02:33:56,535 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 880 890) no Hoare annotation was computed. [2020-08-19 02:33:56,535 INFO L264 CegarLoopResult]: At program point L885(line 885) 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))) [2020-08-19 02:33:56,535 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 143 153) the Hoare annotation is: true [2020-08-19 02:33:56,535 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 143 153) no Hoare annotation was computed. [2020-08-19 02:33:56,535 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 143 153) no Hoare annotation was computed. [2020-08-19 02:33:56,535 INFO L271 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: true [2020-08-19 02:33:56,536 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-08-19 02:33:56,536 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 135 142) the Hoare annotation is: true [2020-08-19 02:33:56,536 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 135 142) no Hoare annotation was computed. [2020-08-19 02:33:56,536 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 135 142) no Hoare annotation was computed. [2020-08-19 02:33:56,536 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 02:33:56,536 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-08-19 02:33:56,536 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 02:33:56,537 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-08-19 02:33:56,537 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-08-19 02:33:56,537 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 85 109) no Hoare annotation was computed. [2020-08-19 02:33:56,537 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 85 109) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 02:33:56,537 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 02:33:56,537 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-08-19 02:33:56,537 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 02:33:56,537 INFO L264 CegarLoopResult]: At program point testENTRY(lines 218 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 02:33:56,538 INFO L264 CegarLoopResult]: At program point L250(line 250) 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))) [2020-08-19 02:33:56,538 INFO L268 CegarLoopResult]: For program point L248(lines 248 254) no Hoare annotation was computed. [2020-08-19 02:33:56,538 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2020-08-19 02:33:56,538 INFO L268 CegarLoopResult]: For program point testFINAL(lines 218 283) no Hoare annotation was computed. [2020-08-19 02:33:56,538 INFO L264 CegarLoopResult]: At program point L273(lines 228 275) 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))) [2020-08-19 02:33:56,538 INFO L264 CegarLoopResult]: At program point L240(line 240) 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))) [2020-08-19 02:33:56,538 INFO L268 CegarLoopResult]: For program point L238(lines 238 244) no Hoare annotation was computed. [2020-08-19 02:33:56,539 INFO L268 CegarLoopResult]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2020-08-19 02:33:56,539 INFO L268 CegarLoopResult]: For program point L230(lines 230 234) no Hoare annotation was computed. [2020-08-19 02:33:56,539 INFO L264 CegarLoopResult]: At program point L276(lines 227 277) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 02:33:56,539 INFO L264 CegarLoopResult]: At program point L266(line 266) 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))) [2020-08-19 02:33:56,539 INFO L268 CegarLoopResult]: For program point L264(lines 264 270) no Hoare annotation was computed. [2020-08-19 02:33:56,539 INFO L264 CegarLoopResult]: At program point L264-1(lines 258 271) 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))) [2020-08-19 02:33:56,539 INFO L268 CegarLoopResult]: For program point L229(lines 228 275) no Hoare annotation was computed. [2020-08-19 02:33:56,539 INFO L268 CegarLoopResult]: For program point testEXIT(lines 218 283) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 648 693) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point L662(lines 662 682) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 648 693) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 648 693) no Hoare annotation was computed. [2020-08-19 02:33:56,540 INFO L268 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-08-19 02:33:56,541 INFO L268 CegarLoopResult]: For program point L800(lines 800 810) no Hoare annotation was computed. [2020-08-19 02:33:56,541 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-19 02:33:56,541 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-08-19 02:33:56,541 INFO L268 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-08-19 02:33:56,541 INFO L268 CegarLoopResult]: For program point L796-1(lines 788 816) no Hoare annotation was computed. [2020-08-19 02:33:56,541 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 02:33:56,541 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-08-19 02:33:56,541 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 788 816) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 02:33:56,542 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 788 816) no Hoare annotation was computed. [2020-08-19 02:33:56,542 INFO L264 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-19 02:33:56,542 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 333 355) no Hoare annotation was computed. [2020-08-19 02:33:56,542 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 333 355) no Hoare annotation was computed. [2020-08-19 02:33:56,542 INFO L268 CegarLoopResult]: For program point L341(lines 341 349) no Hoare annotation was computed. [2020-08-19 02:33:56,542 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 333 355) no Hoare annotation was computed. [2020-08-19 02:33:56,542 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2020-08-19 02:33:56,542 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 780 787) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 780 787) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 780 787) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 545 647) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point L574(lines 574 590) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point L595(lines 594 614) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point L626-1(line 626) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point L591(lines 591 632) no Hoare annotation was computed. [2020-08-19 02:33:56,543 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 545 647) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point L633(lines 633 644) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 545 647) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 614) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point L615(lines 593 616) no Hoare annotation was computed. [2020-08-19 02:33:56,544 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 745 754) no Hoare annotation was computed. [2020-08-19 02:33:56,545 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 745 754) no Hoare annotation was computed. [2020-08-19 02:33:56,545 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 745 754) no Hoare annotation was computed. [2020-08-19 02:33:56,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 02:33:56,545 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 02:33:56,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 02:33:56,545 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point L129-1(lines 118 134) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point L125(lines 125 131) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 118 134) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 118 134) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 356 364) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 356 364) no Hoare annotation was computed. [2020-08-19 02:33:56,546 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 356 364) no Hoare annotation was computed. [2020-08-19 02:33:56,547 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 312 323) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 02:33:56,547 INFO L268 CegarLoopResult]: For program point L316-1(lines 312 323) no Hoare annotation was computed. [2020-08-19 02:33:56,547 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 312 323) no Hoare annotation was computed. [2020-08-19 02:33:56,547 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 02:33:56,547 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 02:33:56,547 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 02:33:56,547 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 324 332) the Hoare annotation is: true [2020-08-19 02:33:56,547 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 324 332) no Hoare annotation was computed. [2020-08-19 02:33:56,548 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 324 332) no Hoare annotation was computed. [2020-08-19 02:33:56,548 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) 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))) [2020-08-19 02:33:56,548 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 02:33:56,548 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-08-19 02:33:56,548 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) 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))) [2020-08-19 02:33:56,548 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-08-19 02:33:56,548 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-08-19 02:33:56,549 INFO L264 CegarLoopResult]: At program point L66(line 66) 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))) [2020-08-19 02:33:56,549 INFO L268 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-08-19 02:33:56,549 INFO L271 CegarLoopResult]: At program point L833-1(lines 833 837) the Hoare annotation is: true [2020-08-19 02:33:56,549 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 819 848) no Hoare annotation was computed. [2020-08-19 02:33:56,549 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-08-19 02:33:56,549 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 819 848) the Hoare annotation is: true [2020-08-19 02:33:56,549 INFO L271 CegarLoopResult]: At program point L829-2(lines 829 843) the Hoare annotation is: true [2020-08-19 02:33:56,549 INFO L271 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: true [2020-08-19 02:33:56,549 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-08-19 02:33:56,550 INFO L271 CegarLoopResult]: At program point L844(lines 819 848) the Hoare annotation is: true [2020-08-19 02:33:56,550 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-08-19 02:33:56,550 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 288 299) the Hoare annotation is: true [2020-08-19 02:33:56,550 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 288 299) no Hoare annotation was computed. [2020-08-19 02:33:56,550 INFO L268 CegarLoopResult]: For program point L292-1(lines 288 299) no Hoare annotation was computed. [2020-08-19 02:33:56,550 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 873 879) no Hoare annotation was computed. [2020-08-19 02:33:56,550 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 873 879) the Hoare annotation is: true [2020-08-19 02:33:56,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 02:33:56,551 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-19 02:33:56,551 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 02:33:56,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 02:33:56,551 INFO L268 CegarLoopResult]: For program point L304-1(lines 300 311) no Hoare annotation was computed. [2020-08-19 02:33:56,551 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 300 311) no Hoare annotation was computed. [2020-08-19 02:33:56,551 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 300 311) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-19 02:33:56,551 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 366 373) no Hoare annotation was computed. [2020-08-19 02:33:56,552 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2020-08-19 02:33:56,552 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 366 373) the Hoare annotation is: true [2020-08-19 02:33:56,552 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 366 373) no Hoare annotation was computed. [2020-08-19 02:33:56,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 02:33:56 BoogieIcfgContainer [2020-08-19 02:33:56,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 02:33:56,570 INFO L168 Benchmark]: Toolchain (without parser) took 26025.53 ms. Allocated memory was 143.1 MB in the beginning and 614.5 MB in the end (delta: 471.3 MB). Free memory was 102.9 MB in the beginning and 514.1 MB in the end (delta: -411.2 MB). Peak memory consumption was 465.3 MB. Max. memory is 7.1 GB. [2020-08-19 02:33:56,571 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 02:33:56,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.90 ms. Allocated memory was 143.1 MB in the beginning and 206.0 MB in the end (delta: 62.9 MB). Free memory was 102.7 MB in the beginning and 174.9 MB in the end (delta: -72.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-08-19 02:33:56,573 INFO L168 Benchmark]: Boogie Preprocessor took 88.83 ms. Allocated memory is still 206.0 MB. Free memory was 174.9 MB in the beginning and 170.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-19 02:33:56,574 INFO L168 Benchmark]: RCFGBuilder took 1125.10 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 170.6 MB in the beginning and 199.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-08-19 02:33:56,575 INFO L168 Benchmark]: TraceAbstraction took 24175.76 ms. Allocated memory was 236.5 MB in the beginning and 614.5 MB in the end (delta: 378.0 MB). Free memory was 199.0 MB in the beginning and 514.1 MB in the end (delta: -315.1 MB). Peak memory consumption was 468.1 MB. Max. memory is 7.1 GB. [2020-08-19 02:33:56,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.90 ms. Allocated memory was 143.1 MB in the beginning and 206.0 MB in the end (delta: 62.9 MB). Free memory was 102.7 MB in the beginning and 174.9 MB in the end (delta: -72.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.83 ms. Allocated memory is still 206.0 MB. Free memory was 174.9 MB in the beginning and 170.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.10 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 170.6 MB in the beginning and 199.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24175.76 ms. Allocated memory was 236.5 MB in the beginning and 614.5 MB in the end (delta: 378.0 MB). Free memory was 199.0 MB in the beginning and 514.1 MB in the end (delta: -315.1 MB). Peak memory consumption was 468.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: 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: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 473 SDtfs, 896 SDslu, 546 SDs, 0 SdLazy, 2332 SolverSat, 660 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 774 HoareAnnotationTreeSize, 491 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 53 FomulaSimplificationsInter, 17290 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s 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...