/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:21:28,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:21:28,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:21:28,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:21:28,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:21:28,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:21:28,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:21:28,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:21:28,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:21:28,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:21:28,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:21:28,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:21:28,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:21:28,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:21:28,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:21:28,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:21:28,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:21:28,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:21:28,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:21:28,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:21:28,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:21:28,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:21:28,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:21:28,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:21:28,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:21:28,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:21:28,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:21:28,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:21:28,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:21:28,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:21:28,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:21:28,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:21:28,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:21:28,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:21:28,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:21:28,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:21:28,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:21:28,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:21:28,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:21:28,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:21:28,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:21:28,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 20:21:29,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:21:29,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:21:29,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:21:29,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:21:29,038 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:21:29,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:21:29,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:21:29,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:21:29,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:21:29,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:21:29,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:21:29,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:21:29,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:21:29,039 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:21:29,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:21:29,042 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:21:29,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:21:29,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:21:29,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:21:29,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:21:29,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:21:29,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:21:29,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:21:29,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:21:29,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:21:29,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:21:29,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:21:29,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:21:29,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:21:29,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:21:29,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:21:29,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:21:29,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:21:29,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:21:29,396 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:21:29,397 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-08-21 20:21:29,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ba9fd84d/21cc50edbabb44d3be5c8c83e8dd4854/FLAG07108600b [2020-08-21 20:21:30,035 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:21:30,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-08-21 20:21:30,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ba9fd84d/21cc50edbabb44d3be5c8c83e8dd4854/FLAG07108600b [2020-08-21 20:21:30,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ba9fd84d/21cc50edbabb44d3be5c8c83e8dd4854 [2020-08-21 20:21:30,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:21:30,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:21:30,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:21:30,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:21:30,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:21:30,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:21:30" (1/1) ... [2020-08-21 20:21:30,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e54ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:30, skipping insertion in model container [2020-08-21 20:21:30,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:21:30" (1/1) ... [2020-08-21 20:21:30,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:21:30,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:21:30,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:21:30,953 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:21:31,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:21:31,115 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:21:31,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31 WrapperNode [2020-08-21 20:21:31,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:21:31,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:21:31,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:21:31,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:21:31,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... [2020-08-21 20:21:31,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... [2020-08-21 20:21:31,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... [2020-08-21 20:21:31,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... [2020-08-21 20:21:31,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... [2020-08-21 20:21:31,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... [2020-08-21 20:21:31,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... [2020-08-21 20:21:31,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:21:31,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:21:31,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:21:31,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:21:31,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:21:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:21:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:21:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 20:21:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 20:21:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 20:21:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 20:21:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 20:21:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 20:21:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 20:21:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 20:21:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 20:21:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 20:21:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 20:21:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:21:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 20:21:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 20:21:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 20:21:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 20:21:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 20:21:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 20:21:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 20:21:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 20:21:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 20:21:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 20:21:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 20:21:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 20:21:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 20:21:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 20:21:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 20:21:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 20:21:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 20:21:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 20:21:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 20:21:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 20:21:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 20:21:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 20:21:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 20:21:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 20:21:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 20:21:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 20:21:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:21:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:21:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 20:21:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 20:21:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 20:21:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 20:21:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 20:21:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 20:21:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 20:21:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 20:21:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 20:21:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 20:21:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 20:21:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 20:21:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 20:21:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 20:21:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 20:21:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 20:21:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 20:21:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 20:21:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 20:21:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:21:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 20:21:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 20:21:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 20:21:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 20:21:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 20:21:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 20:21:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 20:21:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 20:21:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 20:21:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 20:21:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 20:21:31,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 20:21:31,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 20:21:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 20:21:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 20:21:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 20:21:31,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 20:21:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 20:21:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 20:21:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 20:21:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 20:21:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 20:21:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 20:21:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 20:21:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 20:21:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 20:21:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 20:21:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 20:21:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 20:21:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:21:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 20:21:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:21:32,477 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:21:32,477 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 20:21:32,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:21:32 BoogieIcfgContainer [2020-08-21 20:21:32,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:21:32,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:21:32,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:21:32,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:21:32,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:21:30" (1/3) ... [2020-08-21 20:21:32,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d89c2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:21:32, skipping insertion in model container [2020-08-21 20:21:32,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:21:31" (2/3) ... [2020-08-21 20:21:32,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d89c2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:21:32, skipping insertion in model container [2020-08-21 20:21:32,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:21:32" (3/3) ... [2020-08-21 20:21:32,498 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2020-08-21 20:21:32,508 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:21:32,518 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:21:32,532 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:21:32,563 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:21:32,563 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:21:32,563 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:21:32,563 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:21:32,563 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:21:32,563 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:21:32,564 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:21:32,564 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:21:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-08-21 20:21:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 20:21:32,604 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:21:32,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:21:32,605 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:21:32,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:21:32,610 INFO L82 PathProgramCache]: Analyzing trace with hash -996229521, now seen corresponding path program 1 times [2020-08-21 20:21:32,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:21:32,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861219559] [2020-08-21 20:21:32,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:21:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,285 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:21:33,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:21:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:21:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:21:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:21:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:21:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:21:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 20:21:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 20:21:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:21:33,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861219559] [2020-08-21 20:21:33,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:21:33,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 20:21:33,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398141206] [2020-08-21 20:21:33,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 20:21:33,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:21:33,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 20:21:33,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:21:33,492 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-08-21 20:21:34,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:21:34,569 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2020-08-21 20:21:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 20:21:34,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 20:21:34,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:21:34,585 INFO L225 Difference]: With dead ends: 256 [2020-08-21 20:21:34,586 INFO L226 Difference]: Without dead ends: 144 [2020-08-21 20:21:34,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:21:34,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-08-21 20:21:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2020-08-21 20:21:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-21 20:21:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-08-21 20:21:34,675 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 51 [2020-08-21 20:21:34,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:21:34,676 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-08-21 20:21:34,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 20:21:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-08-21 20:21:34,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 20:21:34,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:21:34,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:21:34,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:21:34,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:21:34,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:21:34,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1040363227, now seen corresponding path program 1 times [2020-08-21 20:21:34,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:21:34,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255440662] [2020-08-21 20:21:34,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:21:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:34,997 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:21:34,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:21:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:21:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:21:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:21:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:21:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:21:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:21:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 20:21:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:21:35,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255440662] [2020-08-21 20:21:35,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:21:35,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:21:35,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941390163] [2020-08-21 20:21:35,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:21:35,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:21:35,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:21:35,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:21:35,096 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 5 states. [2020-08-21 20:21:35,585 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:21:36,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:21:36,340 INFO L93 Difference]: Finished difference Result 197 states and 243 transitions. [2020-08-21 20:21:36,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:21:36,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 20:21:36,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:21:36,344 INFO L225 Difference]: With dead ends: 197 [2020-08-21 20:21:36,345 INFO L226 Difference]: Without dead ends: 134 [2020-08-21 20:21:36,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:21:36,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-21 20:21:36,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-21 20:21:36,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-21 20:21:36,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2020-08-21 20:21:36,382 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 52 [2020-08-21 20:21:36,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:21:36,382 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2020-08-21 20:21:36,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:21:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2020-08-21 20:21:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 20:21:36,385 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:21:36,385 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] [2020-08-21 20:21:36,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:21:36,385 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:21:36,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:21:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash -542222879, now seen corresponding path program 1 times [2020-08-21 20:21:36,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:21:36,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429737579] [2020-08-21 20:21:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:21:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,706 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:21:36,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:21:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:21:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:21:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:21:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:21:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:21:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 20:21:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 20:21:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:21:36,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429737579] [2020-08-21 20:21:36,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:21:36,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 20:21:36,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208064368] [2020-08-21 20:21:36,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:21:36,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:21:36,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:21:36,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:21:36,854 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 9 states. [2020-08-21 20:21:37,207 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:21:37,501 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:37,753 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:37,989 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:21:38,975 INFO L93 Difference]: Finished difference Result 210 states and 262 transitions. [2020-08-21 20:21:38,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:21:38,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-21 20:21:38,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:21:38,979 INFO L225 Difference]: With dead ends: 210 [2020-08-21 20:21:38,979 INFO L226 Difference]: Without dead ends: 134 [2020-08-21 20:21:38,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:21:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-21 20:21:39,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-21 20:21:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-21 20:21:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2020-08-21 20:21:39,033 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 57 [2020-08-21 20:21:39,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:21:39,035 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2020-08-21 20:21:39,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:21:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2020-08-21 20:21:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-21 20:21:39,044 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:21:39,044 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] [2020-08-21 20:21:39,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:21:39,044 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:21:39,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:21:39,045 INFO L82 PathProgramCache]: Analyzing trace with hash -975500264, now seen corresponding path program 1 times [2020-08-21 20:21:39,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:21:39,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041022] [2020-08-21 20:21:39,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:21:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,373 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:21:39,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:21:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:21:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:21:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:21:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:21:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:21:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 20:21:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:21:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 20:21:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 20:21:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:21:39,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041022] [2020-08-21 20:21:39,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:21:39,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 20:21:39,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169835640] [2020-08-21 20:21:39,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:21:39,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:21:39,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:21:39,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:21:39,474 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 9 states. [2020-08-21 20:21:39,811 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:21:40,939 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:41,273 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:41,515 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:41,769 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:21:42,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:21:42,665 INFO L93 Difference]: Finished difference Result 324 states and 430 transitions. [2020-08-21 20:21:42,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 20:21:42,665 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-21 20:21:42,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:21:42,669 INFO L225 Difference]: With dead ends: 324 [2020-08-21 20:21:42,670 INFO L226 Difference]: Without dead ends: 248 [2020-08-21 20:21:42,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 20:21:42,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-08-21 20:21:42,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 170. [2020-08-21 20:21:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-08-21 20:21:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 196 transitions. [2020-08-21 20:21:42,724 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 196 transitions. Word has length 65 [2020-08-21 20:21:42,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:21:42,725 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 196 transitions. [2020-08-21 20:21:42,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:21:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 196 transitions. [2020-08-21 20:21:42,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-21 20:21:42,727 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:21:42,727 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, 1, 1, 1] [2020-08-21 20:21:42,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:21:42,727 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:21:42,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:21:42,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1832666876, now seen corresponding path program 1 times [2020-08-21 20:21:42,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:21:42,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259584446] [2020-08-21 20:21:42,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:21:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,001 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:21:43,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:21:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:21:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:21:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:21:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:21:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:21:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 20:21:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 20:21:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:21:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 20:21:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 20:21:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:21:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:21:43,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259584446] [2020-08-21 20:21:43,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:21:43,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 20:21:43,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099424394] [2020-08-21 20:21:43,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:21:43,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:21:43,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:21:43,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:21:43,140 INFO L87 Difference]: Start difference. First operand 170 states and 196 transitions. Second operand 10 states. [2020-08-21 20:21:43,492 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:21:44,416 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:44,702 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:44,949 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:21:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:21:45,110 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2020-08-21 20:21:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 20:21:45,111 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-08-21 20:21:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:21:45,111 INFO L225 Difference]: With dead ends: 309 [2020-08-21 20:21:45,111 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:21:45,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-21 20:21:45,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:21:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:21:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:21:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:21:45,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-08-21 20:21:45,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:21:45,117 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:21:45,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:21:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:21:45,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:21:45,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:21:45,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:21:45,476 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-08-21 20:21:47,275 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 20:21:47,574 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-21 20:21:47,734 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 20:21:47,924 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 20:21:48,091 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 20:21:48,485 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-08-21 20:21:48,673 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:21:48,971 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 20:21:49,130 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 20:21:49,456 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 20:21:49,782 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-21 20:21:50,105 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 20:21:50,487 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-21 20:21:50,668 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 20:21:50,830 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 20:21:50,999 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 20:21:51,310 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 20:21:51,491 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 20:21:51,650 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 20:21:51,811 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 20:21:51,975 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-21 20:21:52,310 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 20:21:52,610 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 20:21:52,614 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-08-21 20:21:52,614 INFO L268 CegarLoopResult]: For program point L407-1(lines 407 411) no Hoare annotation was computed. [2020-08-21 20:21:52,614 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 376 431) no Hoare annotation was computed. [2020-08-21 20:21:52,615 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-08-21 20:21:52,615 INFO L268 CegarLoopResult]: For program point L401-2(lines 401 422) no Hoare annotation was computed. [2020-08-21 20:21:52,615 INFO L268 CegarLoopResult]: For program point L423(lines 400 424) no Hoare annotation was computed. [2020-08-21 20:21:52,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 376 431) no Hoare annotation was computed. [2020-08-21 20:21:52,615 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 376 431) no Hoare annotation was computed. [2020-08-21 20:21:52,615 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-08-21 20:21:52,616 INFO L268 CegarLoopResult]: For program point L477-1(line 477) no Hoare annotation was computed. [2020-08-21 20:21:52,616 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 432 491) no Hoare annotation was computed. [2020-08-21 20:21:52,616 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-08-21 20:21:52,616 INFO L268 CegarLoopResult]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2020-08-21 20:21:52,616 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 432 491) no Hoare annotation was computed. [2020-08-21 20:21:52,616 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-21 20:21:52,617 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 432 491) no Hoare annotation was computed. [2020-08-21 20:21:52,617 INFO L268 CegarLoopResult]: For program point L458-2(lines 458 483) no Hoare annotation was computed. [2020-08-21 20:21:52,617 INFO L268 CegarLoopResult]: For program point L484(lines 457 485) no Hoare annotation was computed. [2020-08-21 20:21:52,617 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-21 20:21:52,617 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-21 20:21:52,617 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-21 20:21:52,617 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-21 20:21:52,618 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-21 20:21:52,618 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 198 220) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,618 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 198 220) no Hoare annotation was computed. [2020-08-21 20:21:52,618 INFO L264 CegarLoopResult]: At program point L210(line 210) 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~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 20:21:52,618 INFO L264 CegarLoopResult]: At program point L210-1(line 210) 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~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 20:21:52,619 INFO L268 CegarLoopResult]: For program point L208(lines 208 215) no Hoare annotation was computed. [2020-08-21 20:21:52,619 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 215) no Hoare annotation was computed. [2020-08-21 20:21:52,619 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-08-21 20:21:52,619 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,619 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 198 220) no Hoare annotation was computed. [2020-08-21 20:21:52,619 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,620 INFO L264 CegarLoopResult]: At program point L204-1(line 204) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,620 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-08-21 20:21:52,620 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 20:21:52,620 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 155 178) no Hoare annotation was computed. [2020-08-21 20:21:52,620 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 155 178) no Hoare annotation was computed. [2020-08-21 20:21:52,620 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 155 178) no Hoare annotation was computed. [2020-08-21 20:21:52,620 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-21 20:21:52,621 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 798 806) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 798 806) the Hoare annotation is: true [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 798 806) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point L850-1(line 850) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 843 861) the Hoare annotation is: true [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 843 861) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-08-21 20:21:52,622 INFO L271 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: true [2020-08-21 20:21:52,622 INFO L268 CegarLoopResult]: For program point L852-2(lines 852 856) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 843 861) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point L826(lines 826 834) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 807 842) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 807 842) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point L837-1(line 837) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 807 842) no Hoare annotation was computed. [2020-08-21 20:21:52,623 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 330 375) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 330 375) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 330 375) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 643 688) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point L663(lines 663 670) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point L657(lines 657 677) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 677) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 643 688) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 643 688) no Hoare annotation was computed. [2020-08-21 20:21:52,624 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:21:52,625 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 187 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,625 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 187 197) no Hoare annotation was computed. [2020-08-21 20:21:52,625 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 187 197) no Hoare annotation was computed. [2020-08-21 20:21:52,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 787 797) no Hoare annotation was computed. [2020-08-21 20:21:52,625 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 787 797) no Hoare annotation was computed. [2020-08-21 20:21:52,625 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-08-21 20:21:52,625 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-08-21 20:21:52,626 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 787 797) no Hoare annotation was computed. [2020-08-21 20:21:52,626 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 779 786) the Hoare annotation is: true [2020-08-21 20:21:52,626 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 779 786) no Hoare annotation was computed. [2020-08-21 20:21:52,626 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 779 786) no Hoare annotation was computed. [2020-08-21 20:21:52,626 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-08-21 20:21:52,626 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,626 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-08-21 20:21:52,627 INFO L268 CegarLoopResult]: For program point L732(lines 732 749) no Hoare annotation was computed. [2020-08-21 20:21:52,627 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 728 752) no Hoare annotation was computed. [2020-08-21 20:21:52,627 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 728 752) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,627 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,627 INFO L268 CegarLoopResult]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2020-08-21 20:21:52,627 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,628 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,628 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2020-08-21 20:21:52,628 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2020-08-21 20:21:52,628 INFO L264 CegarLoopResult]: At program point L929(lines 880 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,628 INFO L264 CegarLoopResult]: At program point testENTRY(lines 871 936) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,628 INFO L268 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-08-21 20:21:52,628 INFO L268 CegarLoopResult]: For program point testFINAL(lines 871 936) no Hoare annotation was computed. [2020-08-21 20:21:52,628 INFO L264 CegarLoopResult]: At program point L919-2(lines 911 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,628 INFO L268 CegarLoopResult]: For program point L882(lines 881 928) no Hoare annotation was computed. [2020-08-21 20:21:52,628 INFO L264 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,629 INFO L268 CegarLoopResult]: For program point L911(lines 911 924) no Hoare annotation was computed. [2020-08-21 20:21:52,629 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,629 INFO L268 CegarLoopResult]: For program point L901(lines 901 907) no Hoare annotation was computed. [2020-08-21 20:21:52,629 INFO L268 CegarLoopResult]: For program point L901-1(lines 901 907) no Hoare annotation was computed. [2020-08-21 20:21:52,629 INFO L264 CegarLoopResult]: At program point L926(lines 881 928) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,629 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:21:52,629 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-08-21 20:21:52,629 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 897) no Hoare annotation was computed. [2020-08-21 20:21:52,629 INFO L268 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2020-08-21 20:21:52,629 INFO L268 CegarLoopResult]: For program point testEXIT(lines 871 936) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 597 642) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 597 642) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 597 642) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point L611(lines 611 631) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 753 760) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 753 760) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 753 760) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 305 313) no Hoare annotation was computed. [2020-08-21 20:21:52,630 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 305 313) the Hoare annotation is: true [2020-08-21 20:21:52,630 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 305 313) no Hoare annotation was computed. [2020-08-21 20:21:52,631 INFO L268 CegarLoopResult]: For program point L98-1(lines 90 118) no Hoare annotation was computed. [2020-08-21 20:21:52,631 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 20:21:52,631 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-08-21 20:21:52,631 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 90 118) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 20:21:52,631 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:21:52,631 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-08-21 20:21:52,631 INFO L268 CegarLoopResult]: For program point L102(lines 102 112) no Hoare annotation was computed. [2020-08-21 20:21:52,631 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-21 20:21:52,632 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 90 118) no Hoare annotation was computed. [2020-08-21 20:21:52,632 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-08-21 20:21:52,632 INFO L268 CegarLoopResult]: For program point L98(lines 98 115) no Hoare annotation was computed. [2020-08-21 20:21:52,632 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 82 89) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 20:21:52,632 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 82 89) no Hoare annotation was computed. [2020-08-21 20:21:52,632 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 82 89) no Hoare annotation was computed. [2020-08-21 20:21:52,632 INFO L268 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-08-21 20:21:52,632 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 273 295) no Hoare annotation was computed. [2020-08-21 20:21:52,633 INFO L268 CegarLoopResult]: For program point L281-2(lines 281 289) no Hoare annotation was computed. [2020-08-21 20:21:52,633 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 273 295) no Hoare annotation was computed. [2020-08-21 20:21:52,633 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 273 295) no Hoare annotation was computed. [2020-08-21 20:21:52,633 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-21 20:21:52,633 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-21 20:21:52,633 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-21 20:21:52,633 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 494 596) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point L543-2(lines 543 563) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point L564(lines 542 565) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point L523(lines 523 539) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point L583(lines 583 590) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 494 596) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point L544(lines 543 563) no Hoare annotation was computed. [2020-08-21 20:21:52,634 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point L540(lines 540 581) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 494 596) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point L559-1(line 559) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point L582(lines 582 593) no Hoare annotation was computed. [2020-08-21 20:21:52,635 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:21:52,636 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.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~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.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~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 20:21:52,636 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:21:52,636 INFO L268 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-08-21 20:21:52,636 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-08-21 20:21:52,636 INFO L268 CegarLoopResult]: For program point L767-1(line 767) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 762 778) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 762 778) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point L773-1(lines 762 778) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 296 304) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 296 304) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 296 304) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L268 CegarLoopResult]: For program point L256-1(lines 252 263) no Hoare annotation was computed. [2020-08-21 20:21:52,637 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 252 263) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 20:21:52,638 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 252 263) no Hoare annotation was computed. [2020-08-21 20:21:52,638 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:21:52,638 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 20:21:52,638 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:21:52,638 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 264 272) the Hoare annotation is: true [2020-08-21 20:21:52,638 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 264 272) no Hoare annotation was computed. [2020-08-21 20:21:52,638 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 264 272) no Hoare annotation was computed. [2020-08-21 20:21:52,638 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,639 INFO L268 CegarLoopResult]: For program point L700(lines 699 718) no Hoare annotation was computed. [2020-08-21 20:21:52,639 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,639 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2020-08-21 20:21:52,639 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2020-08-21 20:21:52,639 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,639 INFO L264 CegarLoopResult]: At program point L707(lines 707 713) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:21:52,639 INFO L271 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: true [2020-08-21 20:21:52,640 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 122 151) no Hoare annotation was computed. [2020-08-21 20:21:52,640 INFO L268 CegarLoopResult]: For program point L128-1(line 128) no Hoare annotation was computed. [2020-08-21 20:21:52,640 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 122 151) the Hoare annotation is: true [2020-08-21 20:21:52,640 INFO L271 CegarLoopResult]: At program point L147(lines 122 151) the Hoare annotation is: true [2020-08-21 20:21:52,640 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-08-21 20:21:52,640 INFO L268 CegarLoopResult]: For program point L136(lines 136 140) no Hoare annotation was computed. [2020-08-21 20:21:52,640 INFO L271 CegarLoopResult]: At program point L136-1(lines 136 140) the Hoare annotation is: true [2020-08-21 20:21:52,641 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 20:21:52,641 INFO L271 CegarLoopResult]: At program point L132-2(lines 132 146) the Hoare annotation is: true [2020-08-21 20:21:52,641 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 228 239) the Hoare annotation is: true [2020-08-21 20:21:52,641 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 228 239) no Hoare annotation was computed. [2020-08-21 20:21:52,641 INFO L268 CegarLoopResult]: For program point L232-1(lines 228 239) no Hoare annotation was computed. [2020-08-21 20:21:52,641 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 179 185) no Hoare annotation was computed. [2020-08-21 20:21:52,641 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 179 185) the Hoare annotation is: true [2020-08-21 20:21:52,642 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:21:52,642 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 20:21:52,642 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:21:52,642 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:21:52,642 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 862 869) no Hoare annotation was computed. [2020-08-21 20:21:52,642 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 862 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-21 20:21:52,642 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 862 869) no Hoare annotation was computed. [2020-08-21 20:21:52,642 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 240 251) no Hoare annotation was computed. [2020-08-21 20:21:52,643 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 240 251) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:21:52,643 INFO L268 CegarLoopResult]: For program point L244-1(lines 240 251) no Hoare annotation was computed. [2020-08-21 20:21:52,643 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 315 322) no Hoare annotation was computed. [2020-08-21 20:21:52,643 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2020-08-21 20:21:52,643 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 315 322) the Hoare annotation is: true [2020-08-21 20:21:52,643 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 315 322) no Hoare annotation was computed. [2020-08-21 20:21:52,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:21:52 BoogieIcfgContainer [2020-08-21 20:21:52,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:21:52,662 INFO L168 Benchmark]: Toolchain (without parser) took 22260.79 ms. Allocated memory was 140.5 MB in the beginning and 613.4 MB in the end (delta: 472.9 MB). Free memory was 102.6 MB in the beginning and 344.6 MB in the end (delta: -241.9 MB). Peak memory consumption was 454.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:21:52,663 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 20:21:52,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.63 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 102.4 MB in the beginning and 170.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:21:52,665 INFO L168 Benchmark]: Boogie Preprocessor took 89.66 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 20:21:52,666 INFO L168 Benchmark]: RCFGBuilder took 1280.07 ms. Allocated memory was 202.9 MB in the beginning and 238.0 MB in the end (delta: 35.1 MB). Free memory was 166.1 MB in the beginning and 197.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:21:52,667 INFO L168 Benchmark]: TraceAbstraction took 20170.68 ms. Allocated memory was 238.0 MB in the beginning and 613.4 MB in the end (delta: 375.4 MB). Free memory was 195.7 MB in the beginning and 344.6 MB in the end (delta: -148.9 MB). Peak memory consumption was 449.7 MB. Max. memory is 7.1 GB. [2020-08-21 20:21:52,671 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.63 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 102.4 MB in the beginning and 170.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.66 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1280.07 ms. Allocated memory was 202.9 MB in the beginning and 238.0 MB in the end (delta: 35.1 MB). Free memory was 166.1 MB in the beginning and 197.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20170.68 ms. Allocated memory was 238.0 MB in the beginning and 613.4 MB in the end (delta: 375.4 MB). Free memory was 195.7 MB in the beginning and 344.6 MB in the end (delta: -148.9 MB). Peak memory consumption was 449.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 319]: 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: 881]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 454 SDtfs, 932 SDslu, 389 SDs, 0 SdLazy, 1836 SolverSat, 708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 833 HoareAnnotationTreeSize, 258 FomulaSimplifications, 110253 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7853 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 85909 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...