/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:52:39,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:52:39,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:52:39,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:52:39,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:52:39,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:52:39,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:52:39,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:52:39,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:52:39,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:52:39,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:52:39,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:52:39,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:52:39,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:52:39,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:52:39,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:52:39,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:52:39,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:52:39,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:52:39,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:52:39,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:52:39,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:52:39,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:52:39,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:52:39,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:52:39,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:52:39,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:52:39,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:52:39,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:52:39,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:52:39,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:52:39,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:52:39,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:52:39,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:52:39,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:52:39,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:52:39,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:52:39,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:52:39,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:52:39,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:52:39,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:52:39,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 13:52:39,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:52:39,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:52:39,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:52:39,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:52:39,930 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:52:39,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:52:39,930 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:52:39,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:52:39,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:52:39,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:52:39,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:52:39,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:52:39,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:52:39,933 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:52:39,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:52:39,933 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:52:39,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:52:39,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:52:39,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:52:39,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:52:39,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:52:39,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:52:39,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:52:39,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:52:39,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:52:39,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:52:39,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:52:39,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:52:39,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:52:39,936 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 -> log-additional-information=true; [2020-08-21 13:52:40,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:52:40,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:52:40,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:52:40,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:52:40,250 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:52:40,251 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-08-21 13:52:40,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc98610d3/ff384e6dadc94148bdff1ae2a72f8dad/FLAGd832a3f80 [2020-08-21 13:52:40,841 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:52:40,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-08-21 13:52:40,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc98610d3/ff384e6dadc94148bdff1ae2a72f8dad/FLAGd832a3f80 [2020-08-21 13:52:41,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc98610d3/ff384e6dadc94148bdff1ae2a72f8dad [2020-08-21 13:52:41,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:52:41,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:52:41,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:52:41,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:52:41,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:52:41,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d98017f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41, skipping insertion in model container [2020-08-21 13:52:41,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:52:41,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:52:41,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:52:41,702 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:52:41,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:52:41,865 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:52:41,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41 WrapperNode [2020-08-21 13:52:41,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:52:41,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:52:41,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:52:41,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:52:41,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... [2020-08-21 13:52:41,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:52:41,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:52:41,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:52:41,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:52:41,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:52:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:52:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:52:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:52:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:52:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:52:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:52:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:52:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:52:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:52:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:52:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:52:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:52:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:52:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:52:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:52:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:52:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 13:52:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:52:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:52:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 13:52:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:52:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 13:52:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:52:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:52:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:52:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:52:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:52:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 13:52:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 13:52:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 13:52:42,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 13:52:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:52:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:52:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:52:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:52:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:52:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:52:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:52:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:52:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:52:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:52:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:52:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:52:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:52:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:52:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:52:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:52:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:52:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:52:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:52:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:52:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:52:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:52:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:52:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:52:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:52:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:52:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:52:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:52:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:52:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:52:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:52:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:52:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:52:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:52:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:52:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:52:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 13:52:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 13:52:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 13:52:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:52:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:52:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:52:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:52:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:52:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:52:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:52:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 13:52:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:52:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 13:52:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 13:52:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 13:52:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:52:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:52:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:52:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:52:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:52:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:52:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:52:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:52:42,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:52:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:52:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:52:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:52:43,178 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:52:43,179 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:52:43,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:43 BoogieIcfgContainer [2020-08-21 13:52:43,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:52:43,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:52:43,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:52:43,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:52:43,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:52:41" (1/3) ... [2020-08-21 13:52:43,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc593a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:43, skipping insertion in model container [2020-08-21 13:52:43,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:41" (2/3) ... [2020-08-21 13:52:43,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc593a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:43, skipping insertion in model container [2020-08-21 13:52:43,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:43" (3/3) ... [2020-08-21 13:52:43,193 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2020-08-21 13:52:43,204 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:52:43,212 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:52:43,227 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:52:43,253 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:52:43,254 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:52:43,254 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:52:43,254 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:52:43,254 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:52:43,254 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:52:43,254 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:52:43,255 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:52:43,278 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-08-21 13:52:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 13:52:43,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:43,290 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] [2020-08-21 13:52:43,291 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:43,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:43,298 INFO L82 PathProgramCache]: Analyzing trace with hash -288124257, now seen corresponding path program 1 times [2020-08-21 13:52:43,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:43,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394063883] [2020-08-21 13:52:43,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,005 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:44,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:52:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:52:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:44,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394063883] [2020-08-21 13:52:44,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:44,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:52:44,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392525789] [2020-08-21 13:52:44,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:52:44,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:44,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:52:44,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:52:44,123 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 3 states. [2020-08-21 13:52:45,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:45,192 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-08-21 13:52:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:52:45,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 13:52:45,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:45,209 INFO L225 Difference]: With dead ends: 270 [2020-08-21 13:52:45,210 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 13:52:45,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:52:45,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 13:52:45,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-08-21 13:52:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 13:52:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-08-21 13:52:45,310 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-08-21 13:52:45,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:45,311 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-08-21 13:52:45,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:52:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-08-21 13:52:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 13:52:45,315 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:45,315 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] [2020-08-21 13:52:45,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:52:45,316 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:45,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:45,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1803412453, now seen corresponding path program 1 times [2020-08-21 13:52:45,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:45,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678306736] [2020-08-21 13:52:45,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,669 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 13:52:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:52:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:45,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678306736] [2020-08-21 13:52:45,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:45,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:52:45,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260144644] [2020-08-21 13:52:45,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:52:45,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:45,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:52:45,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:52:45,736 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-08-21 13:52:46,109 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:52:46,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:46,828 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-08-21 13:52:46,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:52:46,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 13:52:46,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:46,834 INFO L225 Difference]: With dead ends: 193 [2020-08-21 13:52:46,834 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 13:52:46,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:52:46,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 13:52:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-08-21 13:52:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-21 13:52:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-08-21 13:52:46,870 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-08-21 13:52:46,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:46,870 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-08-21 13:52:46,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:52:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-08-21 13:52:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 13:52:46,873 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:46,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:52:46,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:52:46,874 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:46,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:46,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1345236079, now seen corresponding path program 1 times [2020-08-21 13:52:46,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:46,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987210043] [2020-08-21 13:52:46,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,194 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:47,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:52:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:52:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:47,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987210043] [2020-08-21 13:52:47,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:47,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 13:52:47,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507448971] [2020-08-21 13:52:47,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:52:47,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:47,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:52:47,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:52:47,285 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-08-21 13:52:47,619 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:47,925 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:48,174 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:48,428 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:49,157 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:52:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:50,596 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-08-21 13:52:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 13:52:50,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 13:52:50,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:50,602 INFO L225 Difference]: With dead ends: 366 [2020-08-21 13:52:50,602 INFO L226 Difference]: Without dead ends: 285 [2020-08-21 13:52:50,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 13:52:50,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-08-21 13:52:50,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-08-21 13:52:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-21 13:52:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-08-21 13:52:50,728 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-08-21 13:52:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:50,728 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-08-21 13:52:50,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:52:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-08-21 13:52:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 13:52:50,731 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:50,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:52:50,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:52:50,732 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:50,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:50,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2003868692, now seen corresponding path program 1 times [2020-08-21 13:52:50,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:50,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532695736] [2020-08-21 13:52:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,015 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:51,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 13:52:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:52:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 13:52:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:51,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532695736] [2020-08-21 13:52:51,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:51,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 13:52:51,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30859774] [2020-08-21 13:52:51,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:52:51,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:51,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:52:51,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:52:51,120 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 8 states. [2020-08-21 13:52:51,458 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:52,488 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:52,801 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:53,074 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:53,339 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:53,666 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:52:54,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:54,407 INFO L93 Difference]: Finished difference Result 725 states and 949 transitions. [2020-08-21 13:52:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 13:52:54,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-21 13:52:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:54,422 INFO L225 Difference]: With dead ends: 725 [2020-08-21 13:52:54,423 INFO L226 Difference]: Without dead ends: 525 [2020-08-21 13:52:54,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 13:52:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-08-21 13:52:54,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 403. [2020-08-21 13:52:54,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-08-21 13:52:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions. [2020-08-21 13:52:54,573 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 57 [2020-08-21 13:52:54,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:54,574 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 490 transitions. [2020-08-21 13:52:54,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:52:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions. [2020-08-21 13:52:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-21 13:52:54,577 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:52:54,577 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] [2020-08-21 13:52:54,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:52:54,577 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:52:54,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:52:54,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1476950312, now seen corresponding path program 1 times [2020-08-21 13:52:54,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:52:54,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247786587] [2020-08-21 13:52:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:52:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,832 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:52:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:52:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:52:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:52:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:52:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:52:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 13:52:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:52:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 13:52:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 13:52:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:52:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:52:54,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247786587] [2020-08-21 13:52:54,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:52:54,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:52:54,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700559864] [2020-08-21 13:52:54,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:52:54,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:52:54,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:52:54,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:52:54,925 INFO L87 Difference]: Start difference. First operand 403 states and 490 transitions. Second operand 9 states. [2020-08-21 13:52:55,286 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:52:56,256 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:56,527 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:56,769 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:52:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:52:57,131 INFO L93 Difference]: Finished difference Result 785 states and 1041 transitions. [2020-08-21 13:52:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 13:52:57,136 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-21 13:52:57,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:52:57,137 INFO L225 Difference]: With dead ends: 785 [2020-08-21 13:52:57,137 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:52:57,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-21 13:52:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:52:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:52:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:52:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:52:57,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-21 13:52:57,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:52:57,142 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:52:57,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:52:57,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:52:57,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:52:57,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:52:57,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:53:00,479 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 13:53:00,632 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:00,805 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-21 13:53:00,974 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:01,163 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:01,613 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-21 13:53:01,915 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 13:53:02,224 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-21 13:53:02,437 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:53:02,744 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 13:53:02,888 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 13:53:03,170 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-21 13:53:03,509 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-21 13:53:03,679 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 13:53:03,851 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 13:53:04,086 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:04,425 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 13:53:04,588 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:04,735 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 13:53:04,893 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 13:53:05,081 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-21 13:53:05,260 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 13:53:05,592 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 13:53:05,762 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-08-21 13:53:05,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-08-21 13:53:05,767 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-08-21 13:53:05,768 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-08-21 13:53:05,768 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-08-21 13:53:05,768 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-08-21 13:53:05,768 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-08-21 13:53:05,768 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-08-21 13:53:05,769 INFO L264 CegarLoopResult]: At program point L930-1(line 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,769 INFO L268 CegarLoopResult]: For program point L928(lines 928 935) no Hoare annotation was computed. [2020-08-21 13:53:05,769 INFO L268 CegarLoopResult]: For program point L928-1(lines 928 935) no Hoare annotation was computed. [2020-08-21 13:53:05,769 INFO L268 CegarLoopResult]: For program point L926(line 926) no Hoare annotation was computed. [2020-08-21 13:53:05,770 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 918 940) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,770 INFO L264 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,770 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,771 INFO L264 CegarLoopResult]: At program point L924-1(line 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,771 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 918 940) no Hoare annotation was computed. [2020-08-21 13:53:05,771 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 918 940) no Hoare annotation was computed. [2020-08-21 13:53:05,771 INFO L264 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,771 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 877 900) no Hoare annotation was computed. [2020-08-21 13:53:05,771 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-08-21 13:53:05,771 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-08-21 13:53:05,772 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-08-21 13:53:05,772 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 877 900) no Hoare annotation was computed. [2020-08-21 13:53:05,772 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-08-21 13:53:05,772 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 877 900) no Hoare annotation was computed. [2020-08-21 13:53:05,772 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-08-21 13:53:05,772 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-08-21 13:53:05,772 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 758 772) no Hoare annotation was computed. [2020-08-21 13:53:05,773 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 13:53:05,773 INFO L268 CegarLoopResult]: For program point L762(lines 762 768) no Hoare annotation was computed. [2020-08-21 13:53:05,774 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 758 772) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 13:53:05,774 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 758 772) no Hoare annotation was computed. [2020-08-21 13:53:05,774 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 694 702) no Hoare annotation was computed. [2020-08-21 13:53:05,774 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 694 702) the Hoare annotation is: true [2020-08-21 13:53:05,774 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 694 702) no Hoare annotation was computed. [2020-08-21 13:53:05,774 INFO L268 CegarLoopResult]: For program point L748(lines 748 752) no Hoare annotation was computed. [2020-08-21 13:53:05,774 INFO L271 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: true [2020-08-21 13:53:05,774 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 752) no Hoare annotation was computed. [2020-08-21 13:53:05,774 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 739 757) the Hoare annotation is: true [2020-08-21 13:53:05,774 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-08-21 13:53:05,774 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 739 757) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 739 757) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 703 738) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 703 738) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point L710(lines 710 718) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 718) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 703 738) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-08-21 13:53:05,775 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-08-21 13:53:05,776 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 908 917) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,777 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 908 917) no Hoare annotation was computed. [2020-08-21 13:53:05,777 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 908 917) no Hoare annotation was computed. [2020-08-21 13:53:05,777 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-08-21 13:53:05,777 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 683 693) no Hoare annotation was computed. [2020-08-21 13:53:05,777 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-21 13:53:05,777 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 683 693) no Hoare annotation was computed. [2020-08-21 13:53:05,777 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 683 693) no Hoare annotation was computed. [2020-08-21 13:53:05,777 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 675 682) the Hoare annotation is: true [2020-08-21 13:53:05,778 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2020-08-21 13:53:05,778 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2020-08-21 13:53:05,778 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,778 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,778 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-08-21 13:53:05,778 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 624 648) no Hoare annotation was computed. [2020-08-21 13:53:05,778 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,779 INFO L268 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-08-21 13:53:05,779 INFO L268 CegarLoopResult]: For program point L628(lines 628 645) no Hoare annotation was computed. [2020-08-21 13:53:05,779 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 624 648) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,779 INFO L264 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,779 INFO L268 CegarLoopResult]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2020-08-21 13:53:05,779 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2020-08-21 13:53:05,779 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2020-08-21 13:53:05,780 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-08-21 13:53:05,780 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-08-21 13:53:05,780 INFO L264 CegarLoopResult]: At program point testENTRY(lines 515 582) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,780 INFO L264 CegarLoopResult]: At program point L572(lines 525 574) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:53:05,780 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:53:05,780 INFO L268 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-08-21 13:53:05,781 INFO L268 CegarLoopResult]: For program point testFINAL(lines 515 582) no Hoare annotation was computed. [2020-08-21 13:53:05,781 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-08-21 13:53:05,781 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-08-21 13:53:05,781 INFO L264 CegarLoopResult]: At program point L575(lines 524 576) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:53:05,781 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:53:05,781 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-08-21 13:53:05,781 INFO L264 CegarLoopResult]: At program point L563-1(lines 555 570) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:53:05,781 INFO L268 CegarLoopResult]: For program point L526(lines 525 574) no Hoare annotation was computed. [2020-08-21 13:53:05,781 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point testEXIT(lines 515 582) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 649 656) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 649 656) no Hoare annotation was computed. [2020-08-21 13:53:05,782 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 649 656) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-08-21 13:53:05,783 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-08-21 13:53:05,784 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point L669-1(lines 658 674) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 658 674) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-08-21 13:53:05,785 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 658 674) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 492 500) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:53:05,786 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 13:53:05,787 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2020-08-21 13:53:05,787 INFO L268 CegarLoopResult]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2020-08-21 13:53:05,787 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2020-08-21 13:53:05,787 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2020-08-21 13:53:05,787 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2020-08-21 13:53:05,787 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,787 INFO L264 CegarLoopResult]: At program point L603(lines 603 609) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,787 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 13:53:05,787 INFO L268 CegarLoopResult]: For program point L596(lines 595 614) no Hoare annotation was computed. [2020-08-21 13:53:05,788 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:53:05,788 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2020-08-21 13:53:05,788 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2020-08-21 13:53:05,788 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 847 876) no Hoare annotation was computed. [2020-08-21 13:53:05,788 INFO L268 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-08-21 13:53:05,788 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 847 876) the Hoare annotation is: true [2020-08-21 13:53:05,788 INFO L271 CegarLoopResult]: At program point L861-1(lines 861 865) the Hoare annotation is: true [2020-08-21 13:53:05,789 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-08-21 13:53:05,789 INFO L271 CegarLoopResult]: At program point L857-2(lines 857 871) the Hoare annotation is: true [2020-08-21 13:53:05,789 INFO L271 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: true [2020-08-21 13:53:05,789 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-08-21 13:53:05,789 INFO L271 CegarLoopResult]: At program point L872(lines 847 876) the Hoare annotation is: true [2020-08-21 13:53:05,789 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-08-21 13:53:05,789 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2020-08-21 13:53:05,789 INFO L268 CegarLoopResult]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2020-08-21 13:53:05,790 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2020-08-21 13:53:05,790 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 901 907) no Hoare annotation was computed. [2020-08-21 13:53:05,790 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 901 907) the Hoare annotation is: true [2020-08-21 13:53:05,790 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:53:05,790 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 13:53:05,790 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:53:05,790 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:53:05,791 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 773 780) no Hoare annotation was computed. [2020-08-21 13:53:05,791 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 773 780) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 13:53:05,791 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 773 780) no Hoare annotation was computed. [2020-08-21 13:53:05,791 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2020-08-21 13:53:05,791 INFO L268 CegarLoopResult]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2020-08-21 13:53:05,791 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 13:53:05,791 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 13:53:05,792 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 13:53:05,792 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 13:53:05,792 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 13:53:05,792 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 782 806) the Hoare annotation is: true [2020-08-21 13:53:05,792 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 13:53:05,792 INFO L268 CegarLoopResult]: For program point L794(lines 794 800) no Hoare annotation was computed. [2020-08-21 13:53:05,792 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-21 13:53:05,793 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 782 806) no Hoare annotation was computed. [2020-08-21 13:53:05,793 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-08-21 13:53:05,793 INFO L268 CegarLoopResult]: For program point L790(lines 790 803) no Hoare annotation was computed. [2020-08-21 13:53:05,793 INFO L268 CegarLoopResult]: For program point L790-1(lines 782 806) no Hoare annotation was computed. [2020-08-21 13:53:05,793 INFO L271 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: true [2020-08-21 13:53:05,793 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-08-21 13:53:05,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:53:05 BoogieIcfgContainer [2020-08-21 13:53:05,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:53:05,817 INFO L168 Benchmark]: Toolchain (without parser) took 24637.41 ms. Allocated memory was 140.5 MB in the beginning and 673.7 MB in the end (delta: 533.2 MB). Free memory was 101.0 MB in the beginning and 608.5 MB in the end (delta: -507.4 MB). Peak memory consumption was 512.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:05,818 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:53:05,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.23 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 171.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:05,822 INFO L168 Benchmark]: Boogie Preprocessor took 109.40 ms. Allocated memory is still 204.5 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:05,823 INFO L168 Benchmark]: RCFGBuilder took 1206.90 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 167.2 MB in the beginning and 197.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:05,826 INFO L168 Benchmark]: TraceAbstraction took 22627.32 ms. Allocated memory was 238.0 MB in the beginning and 673.7 MB in the end (delta: 435.7 MB). Free memory was 196.1 MB in the beginning and 608.5 MB in the end (delta: -412.3 MB). Peak memory consumption was 509.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:53:05,831 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.23 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 171.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.40 ms. Allocated memory is still 204.5 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1206.90 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 167.2 MB in the beginning and 197.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22627.32 ms. Allocated memory was 238.0 MB in the beginning and 673.7 MB in the end (delta: 435.7 MB). Free memory was 196.1 MB in the beginning and 608.5 MB in the end (delta: -412.3 MB). Peak memory consumption was 509.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 524]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 796 SDslu, 435 SDs, 0 SdLazy, 2116 SolverSat, 540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 705 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 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...