/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=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:30:40,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:30:40,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:30:40,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 22:30:40,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 22:30:40,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 22:30:40,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 22:30:40,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 22:30:40,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 22:30:40,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 22:30:40,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 22:30:40,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 22:30:40,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:30:40,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:30:40,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:30:40,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:30:40,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:30:40,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:30:40,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:30:40,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:30:40,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:30:40,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:30:40,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:30:40,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:30:40,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 22:30:40,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 22:30:40,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 22:30:40,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 22:30:40,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 22:30:40,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 22:30:40,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 22:30:40,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 22:30:40,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 22:30:40,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 22:30:40,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 22:30:40,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 22:30:40,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 22:30:40,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 22:30:40,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:30:40,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:30:40,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:30:40,292 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 [2020-08-18 22:30:40,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:30:40,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:30:40,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:30:40,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:30:40,315 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:30:40,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:30:40,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 22:30:40,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:30:40,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 22:30:40,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:30:40,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:30:40,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:30:40,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:30:40,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 22:30:40,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:30:40,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:30:40,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:30:40,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:30:40,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:30:40,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:30:40,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:30:40,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:30:40,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:30:40,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:30:40,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:30:40,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:30:40,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:30:40,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:30:40,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:30:40,320 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=WIDEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST; [2020-08-18 22:30:40,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:30:40,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:30:40,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:30:40,633 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:30:40,633 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:30:40,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-08-18 22:30:40,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6926c0dd8/e87c12ec39de4db2a22ad01b293797af/FLAG5e1044f50 [2020-08-18 22:30:41,225 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:30:41,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-08-18 22:30:41,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6926c0dd8/e87c12ec39de4db2a22ad01b293797af/FLAG5e1044f50 [2020-08-18 22:30:41,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6926c0dd8/e87c12ec39de4db2a22ad01b293797af [2020-08-18 22:30:41,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:30:41,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:30:41,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:30:41,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:30:41,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:30:41,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:30:41" (1/1) ... [2020-08-18 22:30:41,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:41, skipping insertion in model container [2020-08-18 22:30:41,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:30:41" (1/1) ... [2020-08-18 22:30:41,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:30:41,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:30:42,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:30:42,074 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 22:30:42,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 22:30:42,197 INFO L208 MainTranslator]: Completed translation [2020-08-18 22:30:42,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42 WrapperNode [2020-08-18 22:30:42,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:30:42,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 22:30:42,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 22:30:42,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 22:30:42,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (1/1) ... [2020-08-18 22:30:42,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (1/1) ... [2020-08-18 22:30:42,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (1/1) ... [2020-08-18 22:30:42,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (1/1) ... [2020-08-18 22:30:42,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (1/1) ... [2020-08-18 22:30:42,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (1/1) ... [2020-08-18 22:30:42,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (1/1) ... [2020-08-18 22:30:42,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 22:30:42,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 22:30:42,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 22:30:42,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 22:30:42,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (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 [2020-08-18 22:30:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 22:30:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 22:30:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 22:30:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 22:30:42,385 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 22:30:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 22:30:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 22:30:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 22:30:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 22:30:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 22:30:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 22:30:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 22:30:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 22:30:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 22:30:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 22:30:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 22:30:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 22:30:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 22:30:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 22:30:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 22:30:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 22:30:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 22:30:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 22:30:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 22:30:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 22:30:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 22:30:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 22:30:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 22:30:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 22:30:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 22:30:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 22:30:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 22:30:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 22:30:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 22:30:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 22:30:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 22:30:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 22:30:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 22:30:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 22:30:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 22:30:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 22:30:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 22:30:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 22:30:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 22:30:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 22:30:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 22:30:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 22:30:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 22:30:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 22:30:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 22:30:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 22:30:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 22:30:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 22:30:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 22:30:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 22:30:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 22:30:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 22:30:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 22:30:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 22:30:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 22:30:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 22:30:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 22:30:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 22:30:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 22:30:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 22:30:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 22:30:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 22:30:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 22:30:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 22:30:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 22:30:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 22:30:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 22:30:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 22:30:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 22:30:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 22:30:42,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 22:30:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 22:30:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 22:30:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 22:30:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 22:30:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 22:30:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 22:30:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 22:30:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 22:30:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 22:30:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 22:30:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 22:30:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 22:30:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 22:30:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 22:30:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 22:30:42,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 22:30:43,441 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 22:30:43,442 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 22:30:43,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:30:43 BoogieIcfgContainer [2020-08-18 22:30:43,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 22:30:43,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 22:30:43,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 22:30:43,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 22:30:43,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:30:41" (1/3) ... [2020-08-18 22:30:43,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f021b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:30:43, skipping insertion in model container [2020-08-18 22:30:43,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:30:42" (2/3) ... [2020-08-18 22:30:43,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f021b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:30:43, skipping insertion in model container [2020-08-18 22:30:43,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:30:43" (3/3) ... [2020-08-18 22:30:43,456 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-08-18 22:30:43,466 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 22:30:43,474 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 22:30:43,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 22:30:43,514 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 22:30:43,514 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 22:30:43,514 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 22:30:43,514 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 22:30:43,514 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 22:30:43,515 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 22:30:43,515 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 22:30:43,515 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 22:30:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-08-18 22:30:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 22:30:43,551 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:30:43,552 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] [2020-08-18 22:30:43,553 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:30:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:30:43,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1266461352, now seen corresponding path program 1 times [2020-08-18 22:30:43,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:30:43,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058656402] [2020-08-18 22:30:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:30:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,260 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:30:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:30:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:30:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:30:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:30:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:30:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:30:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 22:30:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 22:30:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:30:44,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058656402] [2020-08-18 22:30:44,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:30:44,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 22:30:44,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350635739] [2020-08-18 22:30:44,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 22:30:44,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:30:44,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 22:30:44,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 22:30:44,425 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-08-18 22:30:45,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:30:45,411 INFO L93 Difference]: Finished difference Result 261 states and 347 transitions. [2020-08-18 22:30:45,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 22:30:45,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 22:30:45,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:30:45,434 INFO L225 Difference]: With dead ends: 261 [2020-08-18 22:30:45,435 INFO L226 Difference]: Without dead ends: 148 [2020-08-18 22:30:45,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 22:30:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-18 22:30:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2020-08-18 22:30:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 22:30:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2020-08-18 22:30:45,527 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 51 [2020-08-18 22:30:45,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:30:45,528 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2020-08-18 22:30:45,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 22:30:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2020-08-18 22:30:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 22:30:45,531 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:30:45,531 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] [2020-08-18 22:30:45,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 22:30:45,532 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:30:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:30:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash 65491606, now seen corresponding path program 1 times [2020-08-18 22:30:45,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:30:45,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504449294] [2020-08-18 22:30:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:30:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,882 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:30:45,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:30:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:30:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:30:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:30:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:30:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:30:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 22:30:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 22:30:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:30:45,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504449294] [2020-08-18 22:30:45,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:30:45,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 22:30:45,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072664569] [2020-08-18 22:30:45,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 22:30:45,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:30:45,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 22:30:45,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 22:30:45,941 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand 5 states. [2020-08-18 22:30:46,384 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 22:30:47,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:30:47,102 INFO L93 Difference]: Finished difference Result 196 states and 246 transitions. [2020-08-18 22:30:47,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 22:30:47,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 22:30:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:30:47,105 INFO L225 Difference]: With dead ends: 196 [2020-08-18 22:30:47,105 INFO L226 Difference]: Without dead ends: 138 [2020-08-18 22:30:47,107 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 [2020-08-18 22:30:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-18 22:30:47,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 105. [2020-08-18 22:30:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-18 22:30:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2020-08-18 22:30:47,143 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 52 [2020-08-18 22:30:47,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:30:47,143 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2020-08-18 22:30:47,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 22:30:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2020-08-18 22:30:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 22:30:47,146 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:30:47,146 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] [2020-08-18 22:30:47,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 22:30:47,146 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:30:47,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:30:47,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1072526847, now seen corresponding path program 1 times [2020-08-18 22:30:47,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:30:47,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258380087] [2020-08-18 22:30:47,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:30:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,545 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:30:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:30:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:30:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:30:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:30:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:30:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:30:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 22:30:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 22:30:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:30:47,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258380087] [2020-08-18 22:30:47,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:30:47,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 22:30:47,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857754054] [2020-08-18 22:30:47,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 22:30:47,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:30:47,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 22:30:47,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 22:30:47,683 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 9 states. [2020-08-18 22:30:48,075 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 22:30:48,435 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:48,698 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:48,947 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:49,811 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 22:30:51,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:30:51,400 INFO L93 Difference]: Finished difference Result 363 states and 463 transitions. [2020-08-18 22:30:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 22:30:51,404 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 22:30:51,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:30:51,409 INFO L225 Difference]: With dead ends: 363 [2020-08-18 22:30:51,409 INFO L226 Difference]: Without dead ends: 286 [2020-08-18 22:30:51,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 22:30:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-18 22:30:51,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 221. [2020-08-18 22:30:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-08-18 22:30:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 270 transitions. [2020-08-18 22:30:51,509 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 270 transitions. Word has length 57 [2020-08-18 22:30:51,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:30:51,512 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 270 transitions. [2020-08-18 22:30:51,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 22:30:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 270 transitions. [2020-08-18 22:30:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 22:30:51,520 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:30:51,520 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] [2020-08-18 22:30:51,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 22:30:51,521 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:30:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:30:51,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1689182460, now seen corresponding path program 1 times [2020-08-18 22:30:51,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:30:51,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922230578] [2020-08-18 22:30:51,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:30:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,900 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:30:51,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:30:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:30:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:30:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:30:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:30:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:30:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 22:30:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 22:30:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 22:30:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:30:51,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922230578] [2020-08-18 22:30:51,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:30:51,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 22:30:51,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128854518] [2020-08-18 22:30:51,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 22:30:51,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:30:51,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 22:30:51,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 22:30:51,992 INFO L87 Difference]: Start difference. First operand 221 states and 270 transitions. Second operand 9 states. [2020-08-18 22:30:52,412 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 22:30:53,573 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:53,935 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 22:30:54,184 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:54,479 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:55,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:30:55,567 INFO L93 Difference]: Finished difference Result 712 states and 966 transitions. [2020-08-18 22:30:55,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 22:30:55,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-18 22:30:55,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:30:55,577 INFO L225 Difference]: With dead ends: 712 [2020-08-18 22:30:55,577 INFO L226 Difference]: Without dead ends: 519 [2020-08-18 22:30:55,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 22:30:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-08-18 22:30:55,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 390. [2020-08-18 22:30:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-08-18 22:30:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 480 transitions. [2020-08-18 22:30:55,706 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 480 transitions. Word has length 62 [2020-08-18 22:30:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:30:55,707 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 480 transitions. [2020-08-18 22:30:55,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 22:30:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 480 transitions. [2020-08-18 22:30:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 22:30:55,709 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 22:30:55,709 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] [2020-08-18 22:30:55,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 22:30:55,710 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 22:30:55,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 22:30:55,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1702077928, now seen corresponding path program 1 times [2020-08-18 22:30:55,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 22:30:55,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800047268] [2020-08-18 22:30:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 22:30:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,021 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:30:56,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 22:30:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 22:30:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 22:30:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 22:30:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 22:30:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 22:30:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 22:30:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 22:30:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 22:30:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 22:30:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 22:30:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 22:30:56,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800047268] [2020-08-18 22:30:56,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 22:30:56,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 22:30:56,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992770622] [2020-08-18 22:30:56,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 22:30:56,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 22:30:56,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 22:30:56,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 22:30:56,127 INFO L87 Difference]: Start difference. First operand 390 states and 480 transitions. Second operand 10 states. [2020-08-18 22:30:56,576 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 22:30:57,658 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:57,918 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:58,164 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 22:30:58,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 22:30:58,688 INFO L93 Difference]: Finished difference Result 791 states and 1081 transitions. [2020-08-18 22:30:58,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 22:30:58,689 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-18 22:30:58,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 22:30:58,691 INFO L225 Difference]: With dead ends: 791 [2020-08-18 22:30:58,691 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 22:30:58,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-18 22:30:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 22:30:58,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 22:30:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 22:30:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 22:30:58,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-18 22:30:58,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 22:30:58,696 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 22:30:58,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 22:30:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 22:30:58,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 22:30:58,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 22:30:58,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 22:31:02,557 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 22:31:02,723 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 22:31:02,876 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 22:31:03,053 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 22:31:03,407 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 22:31:03,752 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 22:31:04,056 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-18 22:31:04,250 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 22:31:04,559 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 22:31:04,889 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 22:31:05,057 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 22:31:05,387 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 22:31:05,565 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 22:31:05,877 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 22:31:06,383 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-18 22:31:06,566 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 22:31:06,748 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 22:31:06,920 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 22:31:07,091 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 22:31:07,249 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 22:31:07,578 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 22:31:07,750 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 22:31:07,957 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 22:31:08,366 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-18 22:31:08,692 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 22:31:08,721 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-08-18 22:31:08,722 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-08-18 22:31:08,722 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 22:31:08,722 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-08-18 22:31:08,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-08-18 22:31:08,722 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-08-18 22:31:08,722 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-08-18 22:31:08,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-08-18 22:31:08,723 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-08-18 22:31:08,723 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-08-18 22:31:08,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-08-18 22:31:08,723 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-18 22:31:08,723 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-08-18 22:31:08,723 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-08-18 22:31:08,724 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-08-18 22:31:08,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-08-18 22:31:08,724 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-18 22:31:08,724 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-08-18 22:31:08,724 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 22:31:08,724 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 22:31:08,724 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 22:31:08,724 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 22:31:08,724 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 22:31:08,725 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 616 638) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:31:08,725 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 616 638) no Hoare annotation was computed. [2020-08-18 22:31:08,725 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 22:31:08,725 INFO L264 CegarLoopResult]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 22:31:08,725 INFO L268 CegarLoopResult]: For program point L626(lines 626 633) no Hoare annotation was computed. [2020-08-18 22:31:08,725 INFO L268 CegarLoopResult]: For program point L626-1(lines 626 633) no Hoare annotation was computed. [2020-08-18 22:31:08,725 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-08-18 22:31:08,726 INFO L264 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:31:08,726 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:31:08,726 INFO L264 CegarLoopResult]: At program point L622-1(line 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:31:08,726 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 616 638) no Hoare annotation was computed. [2020-08-18 22:31:08,726 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 22:31:08,727 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 22:31:08,728 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 673 679) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 673 679) the Hoare annotation is: true [2020-08-18 22:31:08,729 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 22:31:08,729 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 795 809) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L268 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 795 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 22:31:08,729 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 795 809) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 706 713) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 706 713) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 706 713) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2020-08-18 22:31:08,729 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 759 794) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 759 794) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 759 794) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 22:31:08,730 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-08-18 22:31:08,731 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 605 615) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:31:08,731 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 605 615) no Hoare annotation was computed. [2020-08-18 22:31:08,732 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 605 615) no Hoare annotation was computed. [2020-08-18 22:31:08,732 INFO L264 CegarLoopResult]: At program point L610(line 610) 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))) [2020-08-18 22:31:08,732 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2020-08-18 22:31:08,732 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2020-08-18 22:31:08,732 INFO L271 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: true [2020-08-18 22:31:08,732 INFO L268 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-08-18 22:31:08,732 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2020-08-18 22:31:08,732 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2020-08-18 22:31:08,732 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2020-08-18 22:31:08,732 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2020-08-18 22:31:08,732 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:31:08,733 INFO L268 CegarLoopResult]: For program point L700-1(lines 681 705) no Hoare annotation was computed. [2020-08-18 22:31:08,733 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:31:08,733 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 681 705) no Hoare annotation was computed. [2020-08-18 22:31:08,733 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 681 705) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:31:08,733 INFO L264 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:31:08,733 INFO L268 CegarLoopResult]: For program point L689(lines 689 697) no Hoare annotation was computed. [2020-08-18 22:31:08,733 INFO L264 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 22:31:08,733 INFO L268 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-08-18 22:31:08,734 INFO L268 CegarLoopResult]: For program point L685(lines 685 702) no Hoare annotation was computed. [2020-08-18 22:31:08,734 INFO L264 CegarLoopResult]: At program point testENTRY(lines 819 886) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:31:08,734 INFO L268 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-08-18 22:31:08,734 INFO L264 CegarLoopResult]: At program point L861(line 861) 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))) [2020-08-18 22:31:08,734 INFO L268 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-08-18 22:31:08,734 INFO L268 CegarLoopResult]: For program point testFINAL(lines 819 886) no Hoare annotation was computed. [2020-08-18 22:31:08,734 INFO L264 CegarLoopResult]: At program point L851(line 851) 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))) [2020-08-18 22:31:08,734 INFO L268 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-08-18 22:31:08,734 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2020-08-18 22:31:08,734 INFO L264 CegarLoopResult]: At program point L876(lines 829 878) 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))) [2020-08-18 22:31:08,735 INFO L264 CegarLoopResult]: At program point L841(line 841) 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))) [2020-08-18 22:31:08,735 INFO L268 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-08-18 22:31:08,735 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2020-08-18 22:31:08,735 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-08-18 22:31:08,735 INFO L264 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 22:31:08,735 INFO L264 CegarLoopResult]: At program point L869(line 869) 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))) [2020-08-18 22:31:08,735 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-08-18 22:31:08,735 INFO L268 CegarLoopResult]: For program point testEXIT(lines 819 886) no Hoare annotation was computed. [2020-08-18 22:31:08,735 INFO L264 CegarLoopResult]: At program point L867-1(lines 859 874) 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))) [2020-08-18 22:31:08,735 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-08-18 22:31:08,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-08-18 22:31:08,736 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-08-18 22:31:08,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-08-18 22:31:08,736 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-08-18 22:31:08,736 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-08-18 22:31:08,736 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 897 925) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 22:31:08,736 INFO L264 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 22:31:08,736 INFO L268 CegarLoopResult]: For program point L910(lines 910 916) no Hoare annotation was computed. [2020-08-18 22:31:08,736 INFO L268 CegarLoopResult]: For program point L909(lines 909 919) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point L907-1(line 907) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point L905(lines 905 922) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point L905-1(lines 897 925) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point L903-1(line 903) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 897 925) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 522) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 506 528) no Hoare annotation was computed. [2020-08-18 22:31:08,737 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 506 528) no Hoare annotation was computed. [2020-08-18 22:31:08,738 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 506 528) no Hoare annotation was computed. [2020-08-18 22:31:08,738 INFO L268 CegarLoopResult]: For program point L514(lines 514 522) no Hoare annotation was computed. [2020-08-18 22:31:08,738 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 889 896) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 22:31:08,738 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 889 896) no Hoare annotation was computed. [2020-08-18 22:31:08,738 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 889 896) no Hoare annotation was computed. [2020-08-18 22:31:08,738 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:31:08,738 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-08-18 22:31:08,739 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-08-18 22:31:08,740 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-08-18 22:31:08,741 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-08-18 22:31:08,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:31:08,741 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~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#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~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#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~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)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 22:31:08,741 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:31:08,741 INFO L268 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 714 730) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 714 730) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point L725-1(lines 714 730) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 529 537) no Hoare annotation was computed. [2020-08-18 22:31:08,742 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 529 537) no Hoare annotation was computed. [2020-08-18 22:31:08,743 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 529 537) no Hoare annotation was computed. [2020-08-18 22:31:08,743 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:31:08,743 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 22:31:08,743 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:31:08,743 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 485 496) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 22:31:08,743 INFO L268 CegarLoopResult]: For program point L489-1(lines 485 496) no Hoare annotation was computed. [2020-08-18 22:31:08,743 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 485 496) no Hoare annotation was computed. [2020-08-18 22:31:08,743 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 497 505) the Hoare annotation is: true [2020-08-18 22:31:08,744 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 497 505) no Hoare annotation was computed. [2020-08-18 22:31:08,744 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 497 505) no Hoare annotation was computed. [2020-08-18 22:31:08,744 INFO L264 CegarLoopResult]: At program point L662(line 662) 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))) [2020-08-18 22:31:08,744 INFO L264 CegarLoopResult]: At program point L660(lines 660 666) 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))) [2020-08-18 22:31:08,744 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 649 672) 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))) [2020-08-18 22:31:08,744 INFO L264 CegarLoopResult]: At program point L655(line 655) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 22:31:08,745 INFO L268 CegarLoopResult]: For program point L653(lines 652 671) no Hoare annotation was computed. [2020-08-18 22:31:08,745 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 649 672) no Hoare annotation was computed. [2020-08-18 22:31:08,745 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 649 672) no Hoare annotation was computed. [2020-08-18 22:31:08,745 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-08-18 22:31:08,745 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-08-18 22:31:08,745 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-08-18 22:31:08,745 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 22:31:08,745 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-08-18 22:31:08,746 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-08-18 22:31:08,746 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-18 22:31:08,746 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-08-18 22:31:08,746 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-08-18 22:31:08,746 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-08-18 22:31:08,746 INFO L268 CegarLoopResult]: For program point L465-1(lines 461 472) no Hoare annotation was computed. [2020-08-18 22:31:08,746 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 461 472) the Hoare annotation is: true [2020-08-18 22:31:08,746 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 461 472) no Hoare annotation was computed. [2020-08-18 22:31:08,747 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-08-18 22:31:08,747 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-08-18 22:31:08,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 22:31:08,747 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 22:31:08,747 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 22:31:08,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 22:31:08,747 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 810 817) no Hoare annotation was computed. [2020-08-18 22:31:08,748 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 810 817) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 22:31:08,748 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 810 817) no Hoare annotation was computed. [2020-08-18 22:31:08,748 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 473 484) no Hoare annotation was computed. [2020-08-18 22:31:08,748 INFO L268 CegarLoopResult]: For program point L477-1(lines 473 484) no Hoare annotation was computed. [2020-08-18 22:31:08,748 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 473 484) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 22:31:08,748 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 444 451) no Hoare annotation was computed. [2020-08-18 22:31:08,749 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-08-18 22:31:08,749 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 444 451) the Hoare annotation is: true [2020-08-18 22:31:08,749 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 444 451) no Hoare annotation was computed. [2020-08-18 22:31:08,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:31:08 BoogieIcfgContainer [2020-08-18 22:31:08,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 22:31:08,768 INFO L168 Benchmark]: Toolchain (without parser) took 27233.68 ms. Allocated memory was 148.4 MB in the beginning and 626.5 MB in the end (delta: 478.2 MB). Free memory was 101.8 MB in the beginning and 413.2 MB in the end (delta: -311.4 MB). Peak memory consumption was 495.0 MB. Max. memory is 7.1 GB. [2020-08-18 22:31:08,769 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 22:31:08,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.26 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 171.3 MB in the end (delta: -69.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-08-18 22:31:08,771 INFO L168 Benchmark]: Boogie Preprocessor took 92.71 ms. Allocated memory is still 205.0 MB. Free memory was 171.3 MB in the beginning and 166.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-18 22:31:08,772 INFO L168 Benchmark]: RCFGBuilder took 1155.34 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 166.8 MB in the beginning and 190.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-08-18 22:31:08,773 INFO L168 Benchmark]: TraceAbstraction took 25317.90 ms. Allocated memory was 234.4 MB in the beginning and 626.5 MB in the end (delta: 392.2 MB). Free memory was 190.4 MB in the beginning and 413.2 MB in the end (delta: -222.8 MB). Peak memory consumption was 497.5 MB. Max. memory is 7.1 GB. [2020-08-18 22:31:08,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.26 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 171.3 MB in the end (delta: -69.7 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.71 ms. Allocated memory is still 205.0 MB. Free memory was 171.3 MB in the beginning and 166.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1155.34 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 166.8 MB in the beginning and 190.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25317.90 ms. Allocated memory was 234.4 MB in the beginning and 626.5 MB in the end (delta: 392.2 MB). Free memory was 190.4 MB in the beginning and 413.2 MB in the end (delta: -222.8 MB). Peak memory consumption was 497.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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: 828]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 496 SDtfs, 918 SDslu, 592 SDs, 0 SdLazy, 2497 SolverSat, 713 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 261 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 538 PreInvPairs, 665 NumberOfFragments, 802 HoareAnnotationTreeSize, 538 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 55 FomulaSimplificationsInter, 17680 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 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...