/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:50:12,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:50:12,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:50:12,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:50:12,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:50:12,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:50:12,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:50:12,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:50:12,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:50:12,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:50:12,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:50:12,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:50:12,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:50:12,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:50:12,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:50:12,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:50:12,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:50:12,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:50:13,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:50:13,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:50:13,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:50:13,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:50:13,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:50:13,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:50:13,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:50:13,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:50:13,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:50:13,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:50:13,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:50:13,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:50:13,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:50:13,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:50:13,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:50:13,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:50:13,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:50:13,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:50:13,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:50:13,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:50:13,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:50:13,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:50:13,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:50:13,024 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 [2020-08-22 02:50:13,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:50:13,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:50:13,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:50:13,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:50:13,074 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:50:13,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:50:13,074 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:50:13,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:50:13,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:50:13,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:50:13,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:50:13,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:50:13,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:50:13,077 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:50:13,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:50:13,079 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:50:13,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:50:13,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:50:13,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:50:13,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:50:13,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:50:13,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:50:13,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:50:13,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:50:13,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:50:13,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:50:13,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:50:13,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:50:13,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:50:13,082 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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 02:50:13,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:50:13,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:50:13,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:50:13,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:50:13,455 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:50:13,455 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-08-22 02:50:13,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5132a9c66/5ac7ee5c66334d6c9a96998fcdbb1ce6/FLAG5b925e4cb [2020-08-22 02:50:14,074 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:50:14,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-08-22 02:50:14,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5132a9c66/5ac7ee5c66334d6c9a96998fcdbb1ce6/FLAG5b925e4cb [2020-08-22 02:50:14,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5132a9c66/5ac7ee5c66334d6c9a96998fcdbb1ce6 [2020-08-22 02:50:14,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:50:14,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:50:14,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:50:14,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:50:14,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:50:14,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:50:14" (1/1) ... [2020-08-22 02:50:14,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f9cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:14, skipping insertion in model container [2020-08-22 02:50:14,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:50:14" (1/1) ... [2020-08-22 02:50:14,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:50:14,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:50:14,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:50:14,942 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:50:15,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:50:15,098 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:50:15,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15 WrapperNode [2020-08-22 02:50:15,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:50:15,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:50:15,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:50:15,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:50:15,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (1/1) ... [2020-08-22 02:50:15,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (1/1) ... [2020-08-22 02:50:15,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (1/1) ... [2020-08-22 02:50:15,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (1/1) ... [2020-08-22 02:50:15,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (1/1) ... [2020-08-22 02:50:15,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (1/1) ... [2020-08-22 02:50:15,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (1/1) ... [2020-08-22 02:50:15,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:50:15,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:50:15,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:50:15,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:50:15,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (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 [2020-08-22 02:50:15,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:50:15,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:50:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:50:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:50:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:50:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 02:50:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:50:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 02:50:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:50:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:50:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:50:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:50:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:50:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 02:50:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:50:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:50:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:50:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:50:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:50:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:50:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:50:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:50:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:50:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:50:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:50:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:50:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:50:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:50:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:50:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:50:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:50:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:50:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:50:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 02:50:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:50:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:50:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:50:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:50:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:50:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:50:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:50:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:50:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:50:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:50:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:50:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:50:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 02:50:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:50:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:50:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:50:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:50:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:50:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:50:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:50:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:50:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 02:50:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 02:50:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:50:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 02:50:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:50:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:50:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:50:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:50:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:50:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:50:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:50:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:50:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:50:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:50:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:50:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:50:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:50:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:50:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:50:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:50:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:50:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:50:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:50:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:50:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:50:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:50:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:50:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:50:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:50:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:50:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:50:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:50:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:50:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:50:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:50:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:50:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:50:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:50:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:50:16,393 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:50:16,393 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:50:16,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:50:16 BoogieIcfgContainer [2020-08-22 02:50:16,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:50:16,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:50:16,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:50:16,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:50:16,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:50:14" (1/3) ... [2020-08-22 02:50:16,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb62a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:50:16, skipping insertion in model container [2020-08-22 02:50:16,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:15" (2/3) ... [2020-08-22 02:50:16,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb62a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:50:16, skipping insertion in model container [2020-08-22 02:50:16,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:50:16" (3/3) ... [2020-08-22 02:50:16,408 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2020-08-22 02:50:16,419 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:50:16,428 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:50:16,443 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:50:16,470 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:50:16,470 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:50:16,470 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:50:16,470 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:50:16,471 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:50:16,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:50:16,471 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:50:16,471 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:50:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-08-22 02:50:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 02:50:16,505 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:16,506 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] [2020-08-22 02:50:16,506 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:16,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:16,512 INFO L82 PathProgramCache]: Analyzing trace with hash -454427267, now seen corresponding path program 1 times [2020-08-22 02:50:16,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:16,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752905626] [2020-08-22 02:50:16,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,159 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:17,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 02:50:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:50:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:17,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752905626] [2020-08-22 02:50:17,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:17,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:50:17,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982618975] [2020-08-22 02:50:17,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:50:17,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:17,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:50:17,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:50:17,301 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2020-08-22 02:50:18,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:18,406 INFO L93 Difference]: Finished difference Result 278 states and 367 transitions. [2020-08-22 02:50:18,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 02:50:18,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 02:50:18,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:18,424 INFO L225 Difference]: With dead ends: 278 [2020-08-22 02:50:18,424 INFO L226 Difference]: Without dead ends: 155 [2020-08-22 02:50:18,429 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 [2020-08-22 02:50:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-08-22 02:50:18,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124. [2020-08-22 02:50:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-08-22 02:50:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions. [2020-08-22 02:50:18,554 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51 [2020-08-22 02:50:18,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:18,555 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 147 transitions. [2020-08-22 02:50:18,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:50:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions. [2020-08-22 02:50:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:50:18,567 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:18,567 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] [2020-08-22 02:50:18,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:50:18,568 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:18,568 INFO L82 PathProgramCache]: Analyzing trace with hash 364968758, now seen corresponding path program 1 times [2020-08-22 02:50:18,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:18,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928320510] [2020-08-22 02:50:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,932 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:18,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:50:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:50:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:18,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928320510] [2020-08-22 02:50:18,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:18,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 02:50:18,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506804746] [2020-08-22 02:50:18,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 02:50:18,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:18,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 02:50:18,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:50:18,985 INFO L87 Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 5 states. [2020-08-22 02:50:19,454 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:50:20,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:20,298 INFO L93 Difference]: Finished difference Result 223 states and 278 transitions. [2020-08-22 02:50:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 02:50:20,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 02:50:20,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:20,302 INFO L225 Difference]: With dead ends: 223 [2020-08-22 02:50:20,303 INFO L226 Difference]: Without dead ends: 145 [2020-08-22 02:50:20,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:50:20,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-22 02:50:20,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-08-22 02:50:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-22 02:50:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-08-22 02:50:20,343 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-08-22 02:50:20,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:20,343 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-08-22 02:50:20,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 02:50:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-08-22 02:50:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 02:50:20,345 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:20,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:50:20,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:50:20,346 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:20,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:20,347 INFO L82 PathProgramCache]: Analyzing trace with hash 604582976, now seen corresponding path program 1 times [2020-08-22 02:50:20,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:20,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50081252] [2020-08-22 02:50:20,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,682 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:20,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 02:50:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:50:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:20,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50081252] [2020-08-22 02:50:20,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:20,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:50:20,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665067994] [2020-08-22 02:50:20,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:50:20,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:20,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:50:20,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:50:20,843 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 9 states. [2020-08-22 02:50:21,202 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:21,541 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:21,807 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:22,037 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:23,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:23,152 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2020-08-22 02:50:23,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:50:23,152 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 02:50:23,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:23,155 INFO L225 Difference]: With dead ends: 232 [2020-08-22 02:50:23,155 INFO L226 Difference]: Without dead ends: 145 [2020-08-22 02:50:23,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:50:23,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-22 02:50:23,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-08-22 02:50:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-22 02:50:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-08-22 02:50:23,214 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56 [2020-08-22 02:50:23,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:23,214 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-08-22 02:50:23,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:50:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-08-22 02:50:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 02:50:23,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:23,217 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] [2020-08-22 02:50:23,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:50:23,217 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:23,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:23,218 INFO L82 PathProgramCache]: Analyzing trace with hash -781962313, now seen corresponding path program 1 times [2020-08-22 02:50:23,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:23,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934437632] [2020-08-22 02:50:23,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,506 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:23,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 02:50:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-22 02:50:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-22 02:50:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:23,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934437632] [2020-08-22 02:50:23,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:23,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:50:23,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426953562] [2020-08-22 02:50:23,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:50:23,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:23,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:50:23,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:50:23,638 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 9 states. [2020-08-22 02:50:24,014 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:24,834 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:25,271 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:26,054 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:26,313 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:27,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:27,061 INFO L93 Difference]: Finished difference Result 356 states and 474 transitions. [2020-08-22 02:50:27,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 02:50:27,062 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-08-22 02:50:27,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:27,066 INFO L225 Difference]: With dead ends: 356 [2020-08-22 02:50:27,066 INFO L226 Difference]: Without dead ends: 269 [2020-08-22 02:50:27,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 02:50:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-08-22 02:50:27,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 192. [2020-08-22 02:50:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-08-22 02:50:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2020-08-22 02:50:27,124 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 69 [2020-08-22 02:50:27,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:27,125 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2020-08-22 02:50:27,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:50:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2020-08-22 02:50:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-22 02:50:27,127 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:27,127 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, 1, 1, 1, 1] [2020-08-22 02:50:27,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:50:27,127 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:27,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:27,128 INFO L82 PathProgramCache]: Analyzing trace with hash 737122587, now seen corresponding path program 1 times [2020-08-22 02:50:27,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:27,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901241397] [2020-08-22 02:50:27,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,400 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 02:50:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:50:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 02:50:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 02:50:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:27,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901241397] [2020-08-22 02:50:27,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:27,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 02:50:27,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104279869] [2020-08-22 02:50:27,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:50:27,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:27,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:50:27,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:50:27,522 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 10 states. [2020-08-22 02:50:27,904 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:28,723 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:28,966 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:29,261 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:29,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:29,436 INFO L93 Difference]: Finished difference Result 329 states and 420 transitions. [2020-08-22 02:50:29,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 02:50:29,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2020-08-22 02:50:29,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:29,438 INFO L225 Difference]: With dead ends: 329 [2020-08-22 02:50:29,438 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:50:29,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 02:50:29,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:50:29,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:50:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:50:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:50:29,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-08-22 02:50:29,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:29,440 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:50:29,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:50:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:50:29,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:50:29,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:50:29,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:50:31,972 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:32,132 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:32,448 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:32,754 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:32,916 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 02:50:33,107 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:33,324 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:33,646 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:33,984 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-22 02:50:34,298 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:34,476 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-22 02:50:34,839 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:35,165 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:35,520 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:35,850 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:36,042 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 02:50:36,212 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:36,395 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 02:50:36,665 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 02:50:36,834 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:37,013 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 02:50:37,235 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:37,591 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:37,763 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:37,858 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-08-22 02:50:37,858 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2020-08-22 02:50:37,858 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-08-22 02:50:37,858 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2020-08-22 02:50:37,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2020-08-22 02:50:37,859 INFO L268 CegarLoopResult]: For program point L686(lines 663 687) no Hoare annotation was computed. [2020-08-22 02:50:37,859 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2020-08-22 02:50:37,859 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2020-08-22 02:50:37,859 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-08-22 02:50:37,859 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2020-08-22 02:50:37,859 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2020-08-22 02:50:37,860 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-08-22 02:50:37,860 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2020-08-22 02:50:37,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2020-08-22 02:50:37,860 INFO L268 CegarLoopResult]: For program point L747(lines 720 748) no Hoare annotation was computed. [2020-08-22 02:50:37,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2020-08-22 02:50:37,861 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-08-22 02:50:37,861 INFO L268 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-08-22 02:50:37,861 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 480 486) the Hoare annotation is: true [2020-08-22 02:50:37,861 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 480 486) no Hoare annotation was computed. [2020-08-22 02:50:37,861 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 487 495) no Hoare annotation was computed. [2020-08-22 02:50:37,862 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 487 495) the Hoare annotation is: true [2020-08-22 02:50:37,862 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 487 495) no Hoare annotation was computed. [2020-08-22 02:50:37,862 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,862 INFO L264 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,862 INFO L264 CegarLoopResult]: At program point L411-1(line 411) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,863 INFO L268 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2020-08-22 02:50:37,863 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2020-08-22 02:50:37,863 INFO L268 CegarLoopResult]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2020-08-22 02:50:37,863 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-22 02:50:37,863 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,863 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,863 INFO L264 CegarLoopResult]: At program point L405-1(line 405) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 353 376) no Hoare annotation was computed. [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 353 376) no Hoare annotation was computed. [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 353 376) no Hoare annotation was computed. [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-08-22 02:50:37,864 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-08-22 02:50:37,865 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-08-22 02:50:37,865 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-08-22 02:50:37,865 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-08-22 02:50:37,865 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-08-22 02:50:37,865 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-08-22 02:50:37,865 INFO L268 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-08-22 02:50:37,865 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-22 02:50:37,866 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-08-22 02:50:37,866 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-08-22 02:50:37,866 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-08-22 02:50:37,866 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,866 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-08-22 02:50:37,866 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,866 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-08-22 02:50:37,866 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-08-22 02:50:37,867 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 85 109) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,867 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 85 109) no Hoare annotation was computed. [2020-08-22 02:50:37,867 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,867 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-08-22 02:50:37,867 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,867 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 180 188) no Hoare annotation was computed. [2020-08-22 02:50:37,867 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 180 188) the Hoare annotation is: true [2020-08-22 02:50:37,868 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 180 188) no Hoare annotation was computed. [2020-08-22 02:50:37,868 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-22 02:50:37,868 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 225 243) the Hoare annotation is: true [2020-08-22 02:50:37,868 INFO L271 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: true [2020-08-22 02:50:37,868 INFO L268 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2020-08-22 02:50:37,868 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-22 02:50:37,868 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 225 243) no Hoare annotation was computed. [2020-08-22 02:50:37,868 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 225 243) no Hoare annotation was computed. [2020-08-22 02:50:37,868 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point L208(lines 208 216) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 189 224) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 189 224) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 189 224) no Hoare annotation was computed. [2020-08-22 02:50:37,869 INFO L268 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-08-22 02:50:37,870 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 473 479) no Hoare annotation was computed. [2020-08-22 02:50:37,870 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 473 479) the Hoare annotation is: true [2020-08-22 02:50:37,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2020-08-22 02:50:37,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2020-08-22 02:50:37,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2020-08-22 02:50:37,870 INFO L268 CegarLoopResult]: For program point L926(lines 926 933) no Hoare annotation was computed. [2020-08-22 02:50:37,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2020-08-22 02:50:37,870 INFO L268 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-08-22 02:50:37,871 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2020-08-22 02:50:37,871 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2020-08-22 02:50:37,871 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2020-08-22 02:50:37,871 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 385 395) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,871 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 385 395) no Hoare annotation was computed. [2020-08-22 02:50:37,871 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 385 395) no Hoare annotation was computed. [2020-08-22 02:50:37,872 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,872 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 169 179) the Hoare annotation is: true [2020-08-22 02:50:37,872 INFO L271 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: true [2020-08-22 02:50:37,872 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-08-22 02:50:37,872 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 169 179) no Hoare annotation was computed. [2020-08-22 02:50:37,872 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 169 179) no Hoare annotation was computed. [2020-08-22 02:50:37,872 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 161 168) the Hoare annotation is: true [2020-08-22 02:50:37,872 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 161 168) no Hoare annotation was computed. [2020-08-22 02:50:37,873 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 161 168) no Hoare annotation was computed. [2020-08-22 02:50:37,873 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-08-22 02:50:37,873 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,873 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,873 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-08-22 02:50:37,873 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-08-22 02:50:37,873 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,874 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-08-22 02:50:37,874 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,874 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-08-22 02:50:37,874 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,874 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-08-22 02:50:37,874 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-08-22 02:50:37,874 INFO L264 CegarLoopResult]: At program point testENTRY(lines 248 311) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,874 INFO L268 CegarLoopResult]: For program point testFINAL(lines 248 311) no Hoare annotation was computed. [2020-08-22 02:50:37,875 INFO L264 CegarLoopResult]: At program point L304(lines 257 305) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:37,875 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-08-22 02:50:37,875 INFO L264 CegarLoopResult]: At program point L294-2(lines 288 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:37,875 INFO L268 CegarLoopResult]: For program point L259(lines 258 303) no Hoare annotation was computed. [2020-08-22 02:50:37,875 INFO L268 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed. [2020-08-22 02:50:37,875 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:37,875 INFO L268 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2020-08-22 02:50:37,876 INFO L268 CegarLoopResult]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2020-08-22 02:50:37,876 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:37,876 INFO L264 CegarLoopResult]: At program point L301(lines 258 303) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:37,876 INFO L268 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2020-08-22 02:50:37,876 INFO L268 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2020-08-22 02:50:37,876 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-08-22 02:50:37,876 INFO L268 CegarLoopResult]: For program point testEXIT(lines 248 311) no Hoare annotation was computed. [2020-08-22 02:50:37,876 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2020-08-22 02:50:37,876 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 136 143) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 136 143) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 136 143) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 577 585) no Hoare annotation was computed. [2020-08-22 02:50:37,877 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 577 585) the Hoare annotation is: true [2020-08-22 02:50:37,878 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 577 585) no Hoare annotation was computed. [2020-08-22 02:50:37,878 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 02:50:37,878 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-08-22 02:50:37,878 INFO L268 CegarLoopResult]: For program point L444(lines 444 454) no Hoare annotation was computed. [2020-08-22 02:50:37,878 INFO L264 CegarLoopResult]: At program point L442(line 442) 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))) [2020-08-22 02:50:37,878 INFO L268 CegarLoopResult]: For program point L442-1(line 442) no Hoare annotation was computed. [2020-08-22 02:50:37,878 INFO L268 CegarLoopResult]: For program point L440(lines 440 457) no Hoare annotation was computed. [2020-08-22 02:50:37,878 INFO L268 CegarLoopResult]: For program point L440-1(lines 432 460) no Hoare annotation was computed. [2020-08-22 02:50:37,879 INFO L264 CegarLoopResult]: At program point L438(line 438) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:37,879 INFO L268 CegarLoopResult]: For program point L438-1(line 438) no Hoare annotation was computed. [2020-08-22 02:50:37,879 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 432 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:37,879 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 432 460) no Hoare annotation was computed. [2020-08-22 02:50:37,879 INFO L268 CegarLoopResult]: For program point L553(lines 553 561) no Hoare annotation was computed. [2020-08-22 02:50:37,879 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 545 567) no Hoare annotation was computed. [2020-08-22 02:50:37,879 INFO L268 CegarLoopResult]: For program point L553-2(lines 553 561) no Hoare annotation was computed. [2020-08-22 02:50:37,879 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 545 567) no Hoare annotation was computed. [2020-08-22 02:50:37,879 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 545 567) no Hoare annotation was computed. [2020-08-22 02:50:37,880 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 424 431) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:37,880 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 424 431) no Hoare annotation was computed. [2020-08-22 02:50:37,880 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 424 431) no Hoare annotation was computed. [2020-08-22 02:50:37,880 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 463 472) no Hoare annotation was computed. [2020-08-22 02:50:37,880 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 463 472) no Hoare annotation was computed. [2020-08-22 02:50:37,880 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 463 472) no Hoare annotation was computed. [2020-08-22 02:50:37,880 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2020-08-22 02:50:37,881 INFO L268 CegarLoopResult]: For program point L827(lines 805 828) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point L786(lines 786 802) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point L807(lines 806 826) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point L803(lines 803 844) no Hoare annotation was computed. [2020-08-22 02:50:37,882 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:37,883 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:50:37,883 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:37,883 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 144 160) no Hoare annotation was computed. [2020-08-22 02:50:37,883 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-22 02:50:37,883 INFO L268 CegarLoopResult]: For program point L155-1(lines 144 160) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 144 160) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point L151(lines 151 157) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 568 576) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 568 576) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 568 576) no Hoare annotation was computed. [2020-08-22 02:50:37,884 INFO L268 CegarLoopResult]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2020-08-22 02:50:37,885 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 524 535) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 02:50:37,885 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 524 535) no Hoare annotation was computed. [2020-08-22 02:50:37,885 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:37,885 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:50:37,885 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:37,885 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 536 544) the Hoare annotation is: true [2020-08-22 02:50:37,885 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 536 544) no Hoare annotation was computed. [2020-08-22 02:50:37,885 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 536 544) no Hoare annotation was computed. [2020-08-22 02:50:37,886 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,886 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,886 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-08-22 02:50:37,886 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,886 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-08-22 02:50:37,886 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-08-22 02:50:37,887 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:37,887 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 323 352) no Hoare annotation was computed. [2020-08-22 02:50:37,887 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 323 352) the Hoare annotation is: true [2020-08-22 02:50:37,887 INFO L271 CegarLoopResult]: At program point L348(lines 323 352) the Hoare annotation is: true [2020-08-22 02:50:37,887 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-08-22 02:50:37,887 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-08-22 02:50:37,887 INFO L271 CegarLoopResult]: At program point L337-1(lines 337 341) the Hoare annotation is: true [2020-08-22 02:50:37,888 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-08-22 02:50:37,888 INFO L271 CegarLoopResult]: At program point L333-2(lines 333 347) the Hoare annotation is: true [2020-08-22 02:50:37,888 INFO L271 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: true [2020-08-22 02:50:37,888 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-08-22 02:50:37,888 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 500 511) the Hoare annotation is: true [2020-08-22 02:50:37,888 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 500 511) no Hoare annotation was computed. [2020-08-22 02:50:37,888 INFO L268 CegarLoopResult]: For program point L504-1(lines 500 511) no Hoare annotation was computed. [2020-08-22 02:50:37,888 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 377 383) no Hoare annotation was computed. [2020-08-22 02:50:37,889 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 377 383) the Hoare annotation is: true [2020-08-22 02:50:37,889 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:37,889 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 02:50:37,889 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:50:37,889 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:37,889 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 512 523) no Hoare annotation was computed. [2020-08-22 02:50:37,889 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 512 523) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 02:50:37,890 INFO L268 CegarLoopResult]: For program point L516-1(lines 512 523) no Hoare annotation was computed. [2020-08-22 02:50:37,890 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 313 320) no Hoare annotation was computed. [2020-08-22 02:50:37,890 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 317) no Hoare annotation was computed. [2020-08-22 02:50:37,890 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 313 320) the Hoare annotation is: true [2020-08-22 02:50:37,890 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 313 320) no Hoare annotation was computed. [2020-08-22 02:50:37,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:50:37 BoogieIcfgContainer [2020-08-22 02:50:37,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:50:37,912 INFO L168 Benchmark]: Toolchain (without parser) took 23533.39 ms. Allocated memory was 140.5 MB in the beginning and 602.9 MB in the end (delta: 462.4 MB). Free memory was 102.3 MB in the beginning and 476.5 MB in the end (delta: -374.2 MB). Peak memory consumption was 479.5 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:37,913 INFO L168 Benchmark]: CDTParser took 0.76 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. [2020-08-22 02:50:37,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.89 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 172.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:37,915 INFO L168 Benchmark]: Boogie Preprocessor took 99.62 ms. Allocated memory is still 204.5 MB. Free memory was 172.1 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:37,916 INFO L168 Benchmark]: RCFGBuilder took 1200.21 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 167.4 MB in the beginning and 194.4 MB in the end (delta: -27.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:37,917 INFO L168 Benchmark]: TraceAbstraction took 21509.52 ms. Allocated memory was 236.5 MB in the beginning and 602.9 MB in the end (delta: 366.5 MB). Free memory was 194.4 MB in the beginning and 476.5 MB in the end (delta: -282.0 MB). Peak memory consumption was 475.7 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:37,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 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 715.89 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 172.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.62 ms. Allocated memory is still 204.5 MB. Free memory was 172.1 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.21 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 167.4 MB in the beginning and 194.4 MB in the end (delta: -27.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21509.52 ms. Allocated memory was 236.5 MB in the beginning and 602.9 MB in the end (delta: 366.5 MB). Free memory was 194.4 MB in the beginning and 476.5 MB in the end (delta: -282.0 MB). Peak memory consumption was 475.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 317]: 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: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 481 SDtfs, 964 SDslu, 409 SDs, 0 SdLazy, 1912 SolverSat, 670 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred 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, 168 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 340 PreInvPairs, 372 NumberOfFragments, 812 HoareAnnotationTreeSize, 340 FomulaSimplifications, 90218 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9562 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 88876 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...