/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.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:52:16,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:52:16,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:52:16,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:52:16,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:52:16,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:52:16,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:52:16,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:52:16,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:52:16,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:52:16,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:52:16,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:52:16,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:52:16,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:52:16,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:52:16,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:52:16,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:52:16,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:52:16,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:52:16,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:52:16,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:52:16,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:52:16,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:52:16,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:52:16,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:52:16,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:52:16,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:52:16,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:52:16,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:52:16,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:52:16,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:52:16,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:52:16,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:52:16,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:52:16,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:52:16,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:52:16,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:52:16,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:52:16,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:52:16,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:52:16,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:52:16,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:52:17,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:52:17,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:52:17,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:52:17,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:52:17,033 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:52:17,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:52:17,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:52:17,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:52:17,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:52:17,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:52:17,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:52:17,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:52:17,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:52:17,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:52:17,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:52:17,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:52:17,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:52:17,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:52:17,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:52:17,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:52:17,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:52:17,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:52:17,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:52:17,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:52:17,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:52:17,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:52:17,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:52:17,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:52:17,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:52:17,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:52:17,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:52:17,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:52:17,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:52:17,324 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:52:17,324 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:52:17,325 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-07-19 22:52:17,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2491d3e43/cecb6e4e1e064c029536bfdeb8ef45a2/FLAG9ed2d4276 [2020-07-19 22:52:17,886 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:52:17,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-07-19 22:52:17,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2491d3e43/cecb6e4e1e064c029536bfdeb8ef45a2/FLAG9ed2d4276 [2020-07-19 22:52:18,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2491d3e43/cecb6e4e1e064c029536bfdeb8ef45a2 [2020-07-19 22:52:18,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:52:18,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:52:18,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:18,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:52:18,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:52:18,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0987a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18, skipping insertion in model container [2020-07-19 22:52:18,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:52:18,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:52:18,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:18,678 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:52:18,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:18,827 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:52:18,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18 WrapperNode [2020-07-19 22:52:18,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:18,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:52:18,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:52:18,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:52:18,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... [2020-07-19 22:52:18,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:52:18,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:52:18,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:52:18,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:52:18,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 22:52:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:52:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:52:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:52:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:52:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:52:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:52:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:52:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:52:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:52:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:52:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:52:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:52:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:52:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:52:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:52:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 22:52:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:52:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:52:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:52:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:52:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:52:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:52:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:52:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:52:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:52:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:52:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:52:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:52:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:52:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:52:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:52:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:52:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:52:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:52:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:52:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:52:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:52:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:52:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:52:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:52:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:52:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:52:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:52:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:52:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:52:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:52:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:52:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:52:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:52:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:52:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:52:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 22:52:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:52:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:52:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:52:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:52:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:52:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:52:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:52:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:52:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:52:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:52:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:52:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:52:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:52:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:52:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:52:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:52:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:52:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:52:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:52:20,250 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:52:20,250 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:52:20,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:20 BoogieIcfgContainer [2020-07-19 22:52:20,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:52:20,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:52:20,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:52:20,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:52:20,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:52:18" (1/3) ... [2020-07-19 22:52:20,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f066ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:20, skipping insertion in model container [2020-07-19 22:52:20,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:18" (2/3) ... [2020-07-19 22:52:20,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f066ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:20, skipping insertion in model container [2020-07-19 22:52:20,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:20" (3/3) ... [2020-07-19 22:52:20,272 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2020-07-19 22:52:20,282 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:52:20,291 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:52:20,306 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:52:20,328 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:52:20,328 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:52:20,328 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:52:20,328 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:52:20,329 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:52:20,329 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:52:20,329 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:52:20,329 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:52:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-19 22:52:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:52:20,358 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:20,359 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] [2020-07-19 22:52:20,360 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash 144748064, now seen corresponding path program 1 times [2020-07-19 22:52:20,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:20,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792034658] [2020-07-19 22:52:20,375 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c0eebbf [2020-07-19 22:52:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,074 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:21,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792034658] [2020-07-19 22:52:21,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:21,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:52:21,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959300975] [2020-07-19 22:52:21,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:52:21,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:21,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:52:21,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:21,274 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2020-07-19 22:52:22,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:22,427 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-07-19 22:52:22,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:52:22,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:52:22,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:22,444 INFO L225 Difference]: With dead ends: 294 [2020-07-19 22:52:22,445 INFO L226 Difference]: Without dead ends: 159 [2020-07-19 22:52:22,450 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 [2020-07-19 22:52:22,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-19 22:52:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-07-19 22:52:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-19 22:52:22,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-19 22:52:22,551 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-07-19 22:52:22,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:22,552 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-19 22:52:22,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:52:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-19 22:52:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:52:22,560 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:22,560 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] [2020-07-19 22:52:22,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:52:22,562 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:22,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:22,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1374578105, now seen corresponding path program 1 times [2020-07-19 22:52:22,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:22,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689917578] [2020-07-19 22:52:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c0eebbf [2020-07-19 22:52:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:22,964 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:23,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689917578] [2020-07-19 22:52:23,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:23,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:52:23,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722791626] [2020-07-19 22:52:23,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:52:23,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:23,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:52:23,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:52:23,030 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2020-07-19 22:52:23,444 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:24,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:24,249 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2020-07-19 22:52:24,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:52:24,250 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:52:24,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:24,253 INFO L225 Difference]: With dead ends: 223 [2020-07-19 22:52:24,253 INFO L226 Difference]: Without dead ends: 143 [2020-07-19 22:52:24,254 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 [2020-07-19 22:52:24,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-19 22:52:24,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-07-19 22:52:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-19 22:52:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-07-19 22:52:24,292 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-07-19 22:52:24,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:24,293 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-07-19 22:52:24,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:52:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-07-19 22:52:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:52:24,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:24,295 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] [2020-07-19 22:52:24,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:52:24,296 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:24,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:24,296 INFO L82 PathProgramCache]: Analyzing trace with hash 699793598, now seen corresponding path program 1 times [2020-07-19 22:52:24,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:24,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168959016] [2020-07-19 22:52:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c0eebbf [2020-07-19 22:52:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,632 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:24,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168959016] [2020-07-19 22:52:24,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:24,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:52:24,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64974569] [2020-07-19 22:52:24,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:52:24,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:24,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:52:24,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:52:24,729 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 8 states. [2020-07-19 22:52:25,090 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:25,430 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:25,668 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:25,883 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:26,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:26,949 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-07-19 22:52:26,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:52:26,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 22:52:26,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:26,953 INFO L225 Difference]: With dead ends: 236 [2020-07-19 22:52:26,953 INFO L226 Difference]: Without dead ends: 143 [2020-07-19 22:52:26,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:26,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-19 22:52:26,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-07-19 22:52:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-19 22:52:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-07-19 22:52:26,986 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-07-19 22:52:26,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:26,986 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-07-19 22:52:26,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:52:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-07-19 22:52:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:52:26,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:26,988 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:26,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:52:26,989 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:26,989 INFO L82 PathProgramCache]: Analyzing trace with hash -484120084, now seen corresponding path program 1 times [2020-07-19 22:52:26,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:26,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483793304] [2020-07-19 22:52:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c0eebbf [2020-07-19 22:52:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,287 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:27,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:27,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483793304] [2020-07-19 22:52:27,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:27,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:52:27,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012380995] [2020-07-19 22:52:27,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:27,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:27,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:27,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:27,463 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 12 states. [2020-07-19 22:52:27,892 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:28,192 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:28,440 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:28,682 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:29,181 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:30,382 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:30,746 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:31,012 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:31,282 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:52:31,528 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:31,856 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:32,150 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:32,478 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:33,601 INFO L93 Difference]: Finished difference Result 458 states and 603 transitions. [2020-07-19 22:52:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:52:33,602 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-07-19 22:52:33,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:33,606 INFO L225 Difference]: With dead ends: 458 [2020-07-19 22:52:33,607 INFO L226 Difference]: Without dead ends: 365 [2020-07-19 22:52:33,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-19 22:52:33,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-07-19 22:52:33,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 292. [2020-07-19 22:52:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-07-19 22:52:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 346 transitions. [2020-07-19 22:52:33,682 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 346 transitions. Word has length 65 [2020-07-19 22:52:33,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:33,683 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 346 transitions. [2020-07-19 22:52:33,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2020-07-19 22:52:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-19 22:52:33,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:33,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:33,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:52:33,686 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:33,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:33,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1366686438, now seen corresponding path program 1 times [2020-07-19 22:52:33,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:33,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754903295] [2020-07-19 22:52:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c0eebbf [2020-07-19 22:52:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,017 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:34,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754903295] [2020-07-19 22:52:34,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:34,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:52:34,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159803008] [2020-07-19 22:52:34,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:52:34,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:34,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:52:34,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:52:34,118 INFO L87 Difference]: Start difference. First operand 292 states and 346 transitions. Second operand 6 states. [2020-07-19 22:52:34,462 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:35,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:35,029 INFO L93 Difference]: Finished difference Result 459 states and 563 transitions. [2020-07-19 22:52:35,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:52:35,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-19 22:52:35,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:35,032 INFO L225 Difference]: With dead ends: 459 [2020-07-19 22:52:35,033 INFO L226 Difference]: Without dead ends: 191 [2020-07-19 22:52:35,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:52:35,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-19 22:52:35,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2020-07-19 22:52:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-19 22:52:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2020-07-19 22:52:35,075 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 69 [2020-07-19 22:52:35,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:35,075 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2020-07-19 22:52:35,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:52:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2020-07-19 22:52:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-19 22:52:35,077 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:35,078 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:35,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:52:35,078 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:35,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:35,079 INFO L82 PathProgramCache]: Analyzing trace with hash -690184711, now seen corresponding path program 1 times [2020-07-19 22:52:35,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:35,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101423331] [2020-07-19 22:52:35,079 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2c0eebbf [2020-07-19 22:52:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,376 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-19 22:52:35,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101423331] [2020-07-19 22:52:35,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281516864] [2020-07-19 22:52:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2341e79e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:52:36,066 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2341e79e issued 3 check-sat command(s) [2020-07-19 22:52:36,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:52:36,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:52:36,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:52:36,185 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:52:36,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:52:36,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 22:52:36,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748734491] [2020-07-19 22:52:36,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:36,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:36,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:36,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:36,188 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand 12 states. [2020-07-19 22:52:36,778 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 22:52:37,356 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:38,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:38,022 INFO L93 Difference]: Finished difference Result 240 states and 272 transitions. [2020-07-19 22:52:38,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:52:38,022 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-07-19 22:52:38,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:38,023 INFO L225 Difference]: With dead ends: 240 [2020-07-19 22:52:38,023 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:52:38,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:52:38,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:52:38,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:52:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:52:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:52:38,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2020-07-19 22:52:38,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:38,028 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:52:38,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:52:38,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:52:38,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:52:38,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:52:38,348 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-07-19 22:52:40,526 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:41,240 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:41,642 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:41,835 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:42,675 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:43,117 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:43,581 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:44,272 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:44,988 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-07-19 22:52:45,262 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:45,860 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:46,056 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:46,750 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-19 22:52:47,525 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-19 22:52:48,279 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-07-19 22:52:48,472 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:48,899 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:49,100 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:49,525 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:49,778 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 24 [2020-07-19 22:52:50,009 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:50,267 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:50,676 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:51,401 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:52,068 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:52,517 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:52,753 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:53,179 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:53,351 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-19 22:52:53,363 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 664) no Hoare annotation was computed. [2020-07-19 22:52:53,363 INFO L268 CegarLoopResult]: For program point L665(lines 642 666) no Hoare annotation was computed. [2020-07-19 22:52:53,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 618 673) no Hoare annotation was computed. [2020-07-19 22:52:53,363 INFO L268 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-07-19 22:52:53,364 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 653) no Hoare annotation was computed. [2020-07-19 22:52:53,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 618 673) no Hoare annotation was computed. [2020-07-19 22:52:53,364 INFO L268 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-07-19 22:52:53,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 618 673) no Hoare annotation was computed. [2020-07-19 22:52:53,364 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 710) no Hoare annotation was computed. [2020-07-19 22:52:53,364 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-07-19 22:52:53,365 INFO L268 CegarLoopResult]: For program point L700-2(lines 700 725) no Hoare annotation was computed. [2020-07-19 22:52:53,365 INFO L268 CegarLoopResult]: For program point L726(lines 699 727) no Hoare annotation was computed. [2020-07-19 22:52:53,365 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 674 733) no Hoare annotation was computed. [2020-07-19 22:52:53,365 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-19 22:52:53,365 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 674 733) no Hoare annotation was computed. [2020-07-19 22:52:53,365 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-07-19 22:52:53,365 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 674 733) no Hoare annotation was computed. [2020-07-19 22:52:53,366 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-19 22:52:53,366 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-07-19 22:52:53,366 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-07-19 22:52:53,366 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-07-19 22:52:53,366 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-07-19 22:52:53,366 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-07-19 22:52:53,366 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-19 22:52:53,367 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2020-07-19 22:52:53,367 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2020-07-19 22:52:53,367 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,367 INFO L268 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-07-19 22:52:53,367 INFO L264 CegarLoopResult]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,367 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-19 22:52:53,367 INFO L268 CegarLoopResult]: For program point L548(lines 548 561) no Hoare annotation was computed. [2020-07-19 22:52:53,368 INFO L268 CegarLoopResult]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2020-07-19 22:52:53,368 INFO L271 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: true [2020-07-19 22:52:53,368 INFO L264 CegarLoopResult]: At program point L513(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:53,368 INFO L264 CegarLoopResult]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:53,368 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:53,368 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2020-07-19 22:52:53,368 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2020-07-19 22:52:53,369 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:53,369 INFO L264 CegarLoopResult]: At program point L519-1(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:53,369 INFO L268 CegarLoopResult]: For program point L517(lines 517 524) no Hoare annotation was computed. [2020-07-19 22:52:53,369 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2020-07-19 22:52:53,369 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-19 22:52:53,369 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:53,369 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-19 22:52:53,370 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-19 22:52:53,371 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2020-07-19 22:52:53,372 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2020-07-19 22:52:53,372 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 294 302) no Hoare annotation was computed. [2020-07-19 22:52:53,372 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-07-19 22:52:53,372 INFO L271 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: true [2020-07-19 22:52:53,372 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2020-07-19 22:52:53,372 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2020-07-19 22:52:53,372 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-07-19 22:52:53,372 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2020-07-19 22:52:53,372 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 330) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point L310(lines 310 318) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 303 338) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 303 338) no Hoare annotation was computed. [2020-07-19 22:52:53,373 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 303 338) no Hoare annotation was computed. [2020-07-19 22:52:53,374 INFO L268 CegarLoopResult]: For program point L322(lines 322 330) no Hoare annotation was computed. [2020-07-19 22:52:53,374 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-07-19 22:52:53,374 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-07-19 22:52:53,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-19 22:52:53,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-19 22:52:53,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-19 22:52:53,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 885 930) no Hoare annotation was computed. [2020-07-19 22:52:53,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 885 930) no Hoare annotation was computed. [2020-07-19 22:52:53,375 INFO L268 CegarLoopResult]: For program point L905(lines 905 912) no Hoare annotation was computed. [2020-07-19 22:52:53,375 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 885 930) no Hoare annotation was computed. [2020-07-19 22:52:53,375 INFO L268 CegarLoopResult]: For program point L899(lines 899 919) no Hoare annotation was computed. [2020-07-19 22:52:53,375 INFO L268 CegarLoopResult]: For program point L899-1(lines 899 919) no Hoare annotation was computed. [2020-07-19 22:52:53,375 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:53,375 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2020-07-19 22:52:53,375 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2020-07-19 22:52:53,375 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-07-19 22:52:53,375 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2020-07-19 22:52:53,376 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-19 22:52:53,376 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2020-07-19 22:52:53,376 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 283 293) no Hoare annotation was computed. [2020-07-19 22:52:53,376 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2020-07-19 22:52:53,376 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-07-19 22:52:53,376 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-07-19 22:52:53,376 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,376 INFO L264 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,377 INFO L268 CegarLoopResult]: For program point L250(lines 250 258) no Hoare annotation was computed. [2020-07-19 22:52:53,377 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,377 INFO L268 CegarLoopResult]: For program point L248-1(line 248) no Hoare annotation was computed. [2020-07-19 22:52:53,377 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2020-07-19 22:52:53,377 INFO L268 CegarLoopResult]: For program point L246(lines 246 263) no Hoare annotation was computed. [2020-07-19 22:52:53,377 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:53,377 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:53,377 INFO L268 CegarLoopResult]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2020-07-19 22:52:53,377 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2020-07-19 22:52:53,378 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2020-07-19 22:52:53,378 INFO L264 CegarLoopResult]: At program point testENTRY(lines 368 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:53,378 INFO L268 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-07-19 22:52:53,378 INFO L268 CegarLoopResult]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2020-07-19 22:52:53,378 INFO L264 CegarLoopResult]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:53,378 INFO L268 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-07-19 22:52:53,378 INFO L264 CegarLoopResult]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:53,378 INFO L268 CegarLoopResult]: For program point L379(lines 378 425) no Hoare annotation was computed. [2020-07-19 22:52:53,378 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:53,378 INFO L268 CegarLoopResult]: For program point L408(lines 408 421) no Hoare annotation was computed. [2020-07-19 22:52:53,379 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:53,379 INFO L268 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-07-19 22:52:53,379 INFO L268 CegarLoopResult]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2020-07-19 22:52:53,379 INFO L264 CegarLoopResult]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:53,379 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:53,379 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-07-19 22:52:53,379 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2020-07-19 22:52:53,379 INFO L268 CegarLoopResult]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2020-07-19 22:52:53,379 INFO L268 CegarLoopResult]: For program point L859(lines 859 866) no Hoare annotation was computed. [2020-07-19 22:52:53,380 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 839 884) no Hoare annotation was computed. [2020-07-19 22:52:53,380 INFO L268 CegarLoopResult]: For program point L853(lines 853 873) no Hoare annotation was computed. [2020-07-19 22:52:53,380 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 839 884) no Hoare annotation was computed. [2020-07-19 22:52:53,380 INFO L268 CegarLoopResult]: For program point L853-1(lines 853 873) no Hoare annotation was computed. [2020-07-19 22:52:53,380 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 839 884) no Hoare annotation was computed. [2020-07-19 22:52:53,380 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-19 22:52:53,380 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-19 22:52:53,380 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-07-19 22:52:53,381 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 736 838) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point L824(lines 824 835) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point L785-2(lines 785 805) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point L806(lines 784 807) no Hoare annotation was computed. [2020-07-19 22:52:53,382 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 736 838) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point L765(lines 765 781) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point L786(lines 785 805) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 736 838) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point L817-1(line 817) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point L782(lines 782 823) no Hoare annotation was computed. [2020-07-19 22:52:53,383 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:53,384 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:52:53,384 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:53,384 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 267 274) no Hoare annotation was computed. [2020-07-19 22:52:53,384 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 267 274) no Hoare annotation was computed. [2020-07-19 22:52:53,384 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 267 274) no Hoare annotation was computed. [2020-07-19 22:52:53,384 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-19 22:52:53,385 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-19 22:52:53,385 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-19 22:52:53,385 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-19 22:52:53,385 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:52:53,385 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-19 22:52:53,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:53,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:52:53,385 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:53,386 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-19 22:52:53,386 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-19 22:52:53,386 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-19 22:52:53,386 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:52:53,386 INFO L268 CegarLoopResult]: For program point L188(lines 187 206) no Hoare annotation was computed. [2020-07-19 22:52:53,386 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:53,386 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2020-07-19 22:52:53,386 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2020-07-19 22:52:53,387 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:53,387 INFO L264 CegarLoopResult]: At program point L195(lines 195 201) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:53,387 INFO L271 CegarLoopResult]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2020-07-19 22:52:53,387 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2020-07-19 22:52:53,387 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-19 22:52:53,387 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2020-07-19 22:52:53,387 INFO L271 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2020-07-19 22:52:53,387 INFO L271 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: true [2020-07-19 22:52:53,388 INFO L268 CegarLoopResult]: For program point L442-1(line 442) no Hoare annotation was computed. [2020-07-19 22:52:53,388 INFO L271 CegarLoopResult]: At program point L461(lines 436 465) the Hoare annotation is: true [2020-07-19 22:52:53,388 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 22:52:53,388 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-07-19 22:52:53,388 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-19 22:52:53,388 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-19 22:52:53,388 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-19 22:52:53,388 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2020-07-19 22:52:53,389 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2020-07-19 22:52:53,389 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:53,389 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:52:53,389 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:52:53,389 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:53,389 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2020-07-19 22:52:53,389 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:53,390 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 358 365) no Hoare annotation was computed. [2020-07-19 22:52:53,390 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-19 22:52:53,390 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-19 22:52:53,390 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:53,390 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 531 538) no Hoare annotation was computed. [2020-07-19 22:52:53,390 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2020-07-19 22:52:53,391 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2020-07-19 22:52:53,391 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2020-07-19 22:52:53,391 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-07-19 22:52:53,391 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,391 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2020-07-19 22:52:53,391 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-07-19 22:52:53,391 INFO L268 CegarLoopResult]: For program point L220(lines 220 237) no Hoare annotation was computed. [2020-07-19 22:52:53,392 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:53,392 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:53,392 INFO L268 CegarLoopResult]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2020-07-19 22:52:53,392 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,392 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:53,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:52:53 BoogieIcfgContainer [2020-07-19 22:52:53,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:52:53,415 INFO L168 Benchmark]: Toolchain (without parser) took 35189.52 ms. Allocated memory was 139.5 MB in the beginning and 643.3 MB in the end (delta: 503.8 MB). Free memory was 103.1 MB in the beginning and 465.8 MB in the end (delta: -362.7 MB). Peak memory consumption was 518.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:53,416 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:52:53,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.70 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 173.3 MB in the end (delta: -70.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:53,418 INFO L168 Benchmark]: Boogie Preprocessor took 152.33 ms. Allocated memory is still 204.5 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:53,419 INFO L168 Benchmark]: RCFGBuilder took 1281.08 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 168.4 MB in the beginning and 196.4 MB in the end (delta: -28.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:53,419 INFO L168 Benchmark]: TraceAbstraction took 33149.54 ms. Allocated memory was 235.4 MB in the beginning and 643.3 MB in the end (delta: 407.9 MB). Free memory was 195.0 MB in the beginning and 465.8 MB in the end (delta: -270.8 MB). Peak memory consumption was 514.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:53,423 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 599.70 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 173.3 MB in the end (delta: -70.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.33 ms. Allocated memory is still 204.5 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1281.08 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 168.4 MB in the beginning and 196.4 MB in the end (delta: -28.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33149.54 ms. Allocated memory was 235.4 MB in the beginning and 643.3 MB in the end (delta: 407.9 MB). Free memory was 195.0 MB in the beginning and 465.8 MB in the end (delta: -270.8 MB). Peak memory consumption was 514.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 377]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 591 SDtfs, 1339 SDslu, 411 SDs, 0 SdLazy, 2691 SolverSat, 898 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 424 PreInvPairs, 447 NumberOfFragments, 1237 HoareAnnotationTreeSize, 424 FomulaSimplifications, 48418 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 12515 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 499 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 145821 SizeOfPredicates, 3 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 65/74 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...