/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_VARIABLES --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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:01:14,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:01:14,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:01:14,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:01:14,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:01:14,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:01:14,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:01:14,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:01:14,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:01:14,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:01:14,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:01:14,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:01:14,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:01:14,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:01:14,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:01:14,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:01:14,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:01:14,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:01:14,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:01:14,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:01:14,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:01:14,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:01:14,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:01:14,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:01:14,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:01:14,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:01:14,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:01:14,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:01:14,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:01:14,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:01:14,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:01:14,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:01:14,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:01:14,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:01:14,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:01:14,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:01:14,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:01:14,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:01:14,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:01:14,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:01:14,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:01:14,970 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 [2020-07-20 01:01:14,987 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:01:14,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:01:14,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:01:14,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:01:14,989 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:01:14,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:01:14,990 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:01:14,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:01:14,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:01:14,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:01:14,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:01:14,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:01:14,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:01:14,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:01:14,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:01:14,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:01:14,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:01:14,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:01:14,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:01:14,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:01:14,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:01:14,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:01:14,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:01:14,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:01:14,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:01:14,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:01:14,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:01:14,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:01:14,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:01:14,994 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_VARIABLES 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 [2020-07-20 01:01:15,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:01:15,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:01:15,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:01:15,332 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:01:15,333 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:01:15,333 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-07-20 01:01:15,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d09c5bba0/b34b5b00979e40559973cedafc3806e3/FLAG395a66078 [2020-07-20 01:01:15,894 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:01:15,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-07-20 01:01:15,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d09c5bba0/b34b5b00979e40559973cedafc3806e3/FLAG395a66078 [2020-07-20 01:01:16,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d09c5bba0/b34b5b00979e40559973cedafc3806e3 [2020-07-20 01:01:16,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:01:16,221 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:01:16,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:01:16,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:01:16,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:01:16,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113baa61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16, skipping insertion in model container [2020-07-20 01:01:16,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:01:16,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:01:16,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:01:16,753 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:01:16,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:01:16,874 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:01:16,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16 WrapperNode [2020-07-20 01:01:16,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:01:16,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:01:16,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:01:16,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:01:16,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (1/1) ... [2020-07-20 01:01:16,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:01:16,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:01:16,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:01:16,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:01:16,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (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 [2020-07-20 01:01:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:01:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:01:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:01:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:01:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:01:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:01:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:01:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:01:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:01:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:01:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:01:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:01:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:01:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:01:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:01:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:01:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:01:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:01:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:01:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:01:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:01:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:01:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:01:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:01:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:01:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:01:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:01:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:01:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:01:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:01:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:01:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:01:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:01:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:01:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:01:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:01:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:01:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:01:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:01:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:01:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:01:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:01:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:01:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:01:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:01:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:01:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:01:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:01:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:01:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:01:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:01:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:01:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:01:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:01:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:01:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:01:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:01:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:01:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:01:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:01:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:01:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:01:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:01:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:01:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:01:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:01:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:01:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:01:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:01:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:01:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:01:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:01:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:01:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:01:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:01:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:01:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:01:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:01:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:01:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:01:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:01:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 01:01:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:01:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:01:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:01:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:01:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:01:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:01:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:01:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:01:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:01:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:01:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:01:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:01:18,159 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:01:18,160 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:01:18,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:18 BoogieIcfgContainer [2020-07-20 01:01:18,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:01:18,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:01:18,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:01:18,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:01:18,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:16" (1/3) ... [2020-07-20 01:01:18,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1631430f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:18, skipping insertion in model container [2020-07-20 01:01:18,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:16" (2/3) ... [2020-07-20 01:01:18,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1631430f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:18, skipping insertion in model container [2020-07-20 01:01:18,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:18" (3/3) ... [2020-07-20 01:01:18,174 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-07-20 01:01:18,184 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:01:18,192 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:01:18,206 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:01:18,233 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:01:18,233 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:01:18,233 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:01:18,233 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:01:18,234 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:01:18,234 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:01:18,234 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:01:18,234 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:01:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-20 01:01:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 01:01:18,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:01:18,267 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] [2020-07-20 01:01:18,268 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:01:18,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:01:18,273 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2020-07-20 01:01:18,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:01:18,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815333657] [2020-07-20 01:01:18,282 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bb5fa36 [2020-07-20 01:01:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:18,965 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:01:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:01:19,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815333657] [2020-07-20 01:01:19,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:01:19,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 01:01:19,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764080208] [2020-07-20 01:01:19,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:01:19,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:01:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:01:19,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:01:19,123 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-07-20 01:01:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:01:20,223 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-07-20 01:01:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:01:20,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 01:01:20,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:01:20,240 INFO L225 Difference]: With dead ends: 270 [2020-07-20 01:01:20,240 INFO L226 Difference]: Without dead ends: 147 [2020-07-20 01:01:20,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:01:20,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-20 01:01:20,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-07-20 01:01:20,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-20 01:01:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-20 01:01:20,328 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-07-20 01:01:20,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:01:20,328 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-20 01:01:20,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:01:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-20 01:01:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 01:01:20,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:01:20,333 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] [2020-07-20 01:01:20,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:01:20,333 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:01:20,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:01:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2020-07-20 01:01:20,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:01:20,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303187296] [2020-07-20 01:01:20,335 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bb5fa36 [2020-07-20 01:01:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,706 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:01:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:01:20,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303187296] [2020-07-20 01:01:20,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:01:20,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:01:20,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102549302] [2020-07-20 01:01:20,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:01:20,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:01:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:01:20,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:01:20,759 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-07-20 01:01:21,234 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:01:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:01:22,000 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-07-20 01:01:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:01:22,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 01:01:22,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:01:22,004 INFO L225 Difference]: With dead ends: 193 [2020-07-20 01:01:22,004 INFO L226 Difference]: Without dead ends: 131 [2020-07-20 01:01:22,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:01:22,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-20 01:01:22,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-07-20 01:01:22,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-20 01:01:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-20 01:01:22,066 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-07-20 01:01:22,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:01:22,067 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-20 01:01:22,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:01:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-20 01:01:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 01:01:22,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:01:22,079 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] [2020-07-20 01:01:22,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:01:22,080 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:01:22,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:01:22,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2020-07-20 01:01:22,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:01:22,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356435842] [2020-07-20 01:01:22,081 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bb5fa36 [2020-07-20 01:01:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,512 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:01:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:01:22,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356435842] [2020-07-20 01:01:22,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:01:22,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 01:01:22,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519073906] [2020-07-20 01:01:22,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:01:22,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:01:22,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:01:22,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:01:22,625 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-07-20 01:01:23,032 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:01:23,401 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:01:23,720 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:01:23,999 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:01:24,814 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:01:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:01:26,352 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-07-20 01:01:26,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:01:26,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-20 01:01:26,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:01:26,358 INFO L225 Difference]: With dead ends: 366 [2020-07-20 01:01:26,358 INFO L226 Difference]: Without dead ends: 285 [2020-07-20 01:01:26,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:01:26,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-07-20 01:01:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-07-20 01:01:26,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-20 01:01:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-07-20 01:01:26,423 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-07-20 01:01:26,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:01:26,424 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-07-20 01:01:26,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:01:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-07-20 01:01:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 01:01:26,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:01:26,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:01:26,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:01:26,426 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:01:26,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:01:26,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2020-07-20 01:01:26,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:01:26,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357772367] [2020-07-20 01:01:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bb5fa36 [2020-07-20 01:01:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,755 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:01:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:01:26,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357772367] [2020-07-20 01:01:26,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:01:26,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:01:26,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837275958] [2020-07-20 01:01:26,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:01:26,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:01:26,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:01:26,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:01:26,900 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 12 states. [2020-07-20 01:01:27,488 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:01:27,962 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:01:28,286 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:01:28,547 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:01:29,280 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:01:30,211 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:01:30,595 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:01:30,928 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:01:31,219 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:01:31,494 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:01:31,841 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:01:32,207 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:01:32,506 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:01:33,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:01:33,788 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2020-07-20 01:01:33,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 01:01:33,789 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-20 01:01:33,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:01:33,797 INFO L225 Difference]: With dead ends: 891 [2020-07-20 01:01:33,797 INFO L226 Difference]: Without dead ends: 691 [2020-07-20 01:01:33,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-20 01:01:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-20 01:01:33,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2020-07-20 01:01:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-20 01:01:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2020-07-20 01:01:33,960 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2020-07-20 01:01:33,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:01:33,960 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2020-07-20 01:01:33,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:01:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2020-07-20 01:01:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 01:01:33,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:01:33,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:01:33,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:01:33,964 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:01:33,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:01:33,964 INFO L82 PathProgramCache]: Analyzing trace with hash 520525257, now seen corresponding path program 1 times [2020-07-20 01:01:33,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:01:33,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759125790] [2020-07-20 01:01:33,965 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bb5fa36 [2020-07-20 01:01:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,256 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:01:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:01:34,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759125790] [2020-07-20 01:01:34,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:01:34,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:01:34,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300764309] [2020-07-20 01:01:34,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:01:34,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:01:34,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:01:34,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:01:34,364 INFO L87 Difference]: Start difference. First operand 594 states and 736 transitions. Second operand 6 states. [2020-07-20 01:01:34,723 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:01:35,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:01:35,704 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2020-07-20 01:01:35,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:01:35,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-20 01:01:35,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:01:35,709 INFO L225 Difference]: With dead ends: 1039 [2020-07-20 01:01:35,709 INFO L226 Difference]: Without dead ends: 469 [2020-07-20 01:01:35,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:01:35,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-20 01:01:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-07-20 01:01:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-07-20 01:01:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-07-20 01:01:35,798 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-07-20 01:01:35,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:01:35,799 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-07-20 01:01:35,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:01:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-07-20 01:01:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 01:01:35,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:01:35,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:01:35,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:01:35,802 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:01:35,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:01:35,804 INFO L82 PathProgramCache]: Analyzing trace with hash -175028075, now seen corresponding path program 1 times [2020-07-20 01:01:35,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:01:35,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62331395] [2020-07-20 01:01:35,805 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bb5fa36 [2020-07-20 01:01:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,167 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:01:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:01:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 01:01:36,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62331395] [2020-07-20 01:01:36,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946610953] [2020-07-20 01:01:36,359 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1c4e5748 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:01:36,765 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1c4e5748 issued 4 check-sat command(s) [2020-07-20 01:01:36,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:01:36,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:01:36,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:01:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:01:36,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:01:36,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-20 01:01:36,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619340402] [2020-07-20 01:01:36,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:01:36,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:01:36,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:01:36,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:01:36,860 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 12 states. [2020-07-20 01:01:37,581 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-20 01:01:38,202 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:01:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:01:39,374 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-07-20 01:01:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:01:39,375 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-20 01:01:39,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:01:39,376 INFO L225 Difference]: With dead ends: 565 [2020-07-20 01:01:39,376 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:01:39,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-20 01:01:39,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:01:39,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:01:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:01:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:01:39,379 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-20 01:01:39,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:01:39,380 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:01:39,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:01:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:01:39,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:01:39,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-20 01:01:39,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:01:40,004 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 236 [2020-07-20 01:01:40,305 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 236 [2020-07-20 01:01:43,628 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-20 01:01:44,068 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:01:44,329 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-20 01:01:44,524 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 01:01:44,650 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-20 01:01:44,936 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-20 01:01:45,427 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:01:45,893 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:01:46,455 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-20 01:01:46,688 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:01:47,431 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-20 01:01:47,602 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-20 01:01:48,403 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-20 01:01:48,670 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-20 01:01:49,345 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-20 01:01:49,512 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-20 01:01:50,136 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-20 01:01:50,402 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-20 01:01:50,867 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-20 01:01:51,348 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-20 01:01:51,811 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:01:52,336 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:01:53,154 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-20 01:01:53,342 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-20 01:01:53,453 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-07-20 01:01:53,723 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-20 01:01:54,368 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-20 01:01:54,820 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:01:55,492 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-20 01:01:55,497 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 01:01:55,497 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-20 01:01:55,498 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-20 01:01:55,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-20 01:01:55,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-20 01:01:55,498 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-20 01:01:55,498 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-20 01:01:55,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-20 01:01:55,499 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-20 01:01:55,499 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-20 01:01:55,499 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 01:01:55,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-20 01:01:55,500 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-20 01:01:55,500 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-20 01:01:55,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-20 01:01:55,500 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 01:01:55,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-20 01:01:55,500 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 01:01:55,501 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2020-07-20 01:01:55,501 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2020-07-20 01:01:55,501 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2020-07-20 01:01:55,501 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2020-07-20 01:01:55,501 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2020-07-20 01:01:55,501 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-07-20 01:01:55,501 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-07-20 01:01:55,501 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-20 01:01:55,501 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-07-20 01:01:55,501 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-20 01:01:55,502 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-07-20 01:01:55,502 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-07-20 01:01:55,502 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-07-20 01:01:55,502 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 01:01:55,502 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 01:01:55,502 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 848 870) 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))) [2020-07-20 01:01:55,502 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:01:55,503 INFO L264 CegarLoopResult]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= main_~tmp~7 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:01:55,503 INFO L268 CegarLoopResult]: For program point L858(lines 858 865) no Hoare annotation was computed. [2020-07-20 01:01:55,503 INFO L268 CegarLoopResult]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2020-07-20 01:01:55,503 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2020-07-20 01:01:55,503 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 01:01:55,503 INFO L264 CegarLoopResult]: At program point L855(line 855) 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))) [2020-07-20 01:01:55,504 INFO L264 CegarLoopResult]: At program point L854(line 854) 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))) [2020-07-20 01:01:55,504 INFO L264 CegarLoopResult]: At program point L854-1(line 854) 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))) [2020-07-20 01:01:55,504 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2020-07-20 01:01:55,504 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2020-07-20 01:01:55,504 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2020-07-20 01:01:55,504 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2020-07-20 01:01:55,505 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 01:01:55,505 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 01:01:55,505 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 01:01:55,505 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 01:01:55,505 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 01:01:55,505 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-20 01:01:55,505 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-20 01:01:55,506 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-20 01:01:55,506 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-20 01:01:55,506 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-20 01:01:55,506 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-07-20 01:01:55,506 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-20 01:01:55,506 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 01:01:55,506 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 01:01:55,507 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-07-20 01:01:55,507 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:01:55,507 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-07-20 01:01:55,507 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 01:01:55,508 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-07-20 01:01:55,508 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-07-20 01:01:55,508 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-07-20 01:01:55,508 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-07-20 01:01:55,508 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-07-20 01:01:55,508 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-07-20 01:01:55,508 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-07-20 01:01:55,508 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-07-20 01:01:55,508 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-07-20 01:01:55,509 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-07-20 01:01:55,509 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-07-20 01:01:55,509 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-20 01:01:55,509 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-20 01:01:55,509 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-07-20 01:01:55,509 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-07-20 01:01:55,509 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-07-20 01:01:55,510 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-07-20 01:01:55,510 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-07-20 01:01:55,510 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-07-20 01:01:55,510 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-07-20 01:01:55,510 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2020-07-20 01:01:55,510 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2020-07-20 01:01:55,510 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-20 01:01:55,511 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-20 01:01:55,512 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 838 847) 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))) [2020-07-20 01:01:55,512 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2020-07-20 01:01:55,512 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2020-07-20 01:01:55,512 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-07-20 01:01:55,512 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 01:01:55,512 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 01:01:55,512 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-07-20 01:01:55,513 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-07-20 01:01:55,513 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-07-20 01:01:55,513 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-07-20 01:01:55,513 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-07-20 01:01:55,513 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:01:55,513 INFO L268 CegarLoopResult]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2020-07-20 01:01:55,513 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:01:55,514 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:01:55,514 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2020-07-20 01:01:55,514 INFO L268 CegarLoopResult]: For program point L534(lines 534 542) no Hoare annotation was computed. [2020-07-20 01:01:55,514 INFO L264 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:01:55,514 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:01:55,514 INFO L268 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-07-20 01:01:55,514 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-07-20 01:01:55,514 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2020-07-20 01:01:55,514 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2020-07-20 01:01:55,515 INFO L264 CegarLoopResult]: At program point L929(lines 882 931) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-20 01:01:55,515 INFO L264 CegarLoopResult]: At program point testENTRY(lines 872 939) 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))) [2020-07-20 01:01:55,515 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-20 01:01:55,515 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-07-20 01:01:55,515 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2020-07-20 01:01:55,515 INFO L268 CegarLoopResult]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2020-07-20 01:01:55,515 INFO L268 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-07-20 01:01:55,515 INFO L264 CegarLoopResult]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:01:55,515 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-20 01:01:55,515 INFO L268 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-07-20 01:01:55,516 INFO L264 CegarLoopResult]: At program point L920-1(lines 912 927) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-20 01:01:55,516 INFO L268 CegarLoopResult]: For program point L883(lines 882 931) no Hoare annotation was computed. [2020-07-20 01:01:55,516 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:01:55,516 INFO L268 CegarLoopResult]: For program point L912(lines 912 927) no Hoare annotation was computed. [2020-07-20 01:01:55,516 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-20 01:01:55,516 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-20 01:01:55,516 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-07-20 01:01:55,516 INFO L268 CegarLoopResult]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2020-07-20 01:01:55,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-20 01:01:55,516 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2020-07-20 01:01:55,517 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2020-07-20 01:01:55,518 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2020-07-20 01:01:55,518 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2020-07-20 01:01:55,518 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2020-07-20 01:01:55,518 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2020-07-20 01:01:55,518 INFO L268 CegarLoopResult]: For program point L741(lines 741 749) no Hoare annotation was computed. [2020-07-20 01:01:55,518 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2020-07-20 01:01:55,518 INFO L268 CegarLoopResult]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2020-07-20 01:01:55,518 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-20 01:01:55,519 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-20 01:01:55,519 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-20 01:01:55,519 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-20 01:01:55,519 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-20 01:01:55,519 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-20 01:01:55,519 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-20 01:01:55,519 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-20 01:01:55,520 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2020-07-20 01:01:55,521 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2020-07-20 01:01:55,521 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2020-07-20 01:01:55,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:55,521 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#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~string56.offset| |old(#t~string56.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-20 01:01:55,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point L567(lines 567 573) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-20 01:01:55,522 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2020-07-20 01:01:55,522 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2020-07-20 01:01:55,523 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2020-07-20 01:01:55,523 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:55,523 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:01:55,523 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:55,523 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 01:01:55,523 INFO L268 CegarLoopResult]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2020-07-20 01:01:55,523 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2020-07-20 01:01:55,523 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2020-07-20 01:01:55,524 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2020-07-20 01:01:55,524 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2020-07-20 01:01:55,524 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 01:01:55,524 INFO L264 CegarLoopResult]: At program point L505(lines 505 511) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-20 01:01:55,524 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-20 01:01:55,524 INFO L268 CegarLoopResult]: For program point L498(lines 497 516) no Hoare annotation was computed. [2020-07-20 01:01:55,525 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-20 01:01:55,525 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2020-07-20 01:01:55,525 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2020-07-20 01:01:55,525 INFO L271 CegarLoopResult]: At program point L801(lines 776 805) the Hoare annotation is: true [2020-07-20 01:01:55,525 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2020-07-20 01:01:55,525 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-20 01:01:55,525 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2020-07-20 01:01:55,525 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-07-20 01:01:55,526 INFO L271 CegarLoopResult]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2020-07-20 01:01:55,526 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-20 01:01:55,526 INFO L271 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2020-07-20 01:01:55,526 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-07-20 01:01:55,526 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-20 01:01:55,526 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2020-07-20 01:01:55,526 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2020-07-20 01:01:55,526 INFO L268 CegarLoopResult]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2020-07-20 01:01:55,526 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2020-07-20 01:01:55,527 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2020-07-20 01:01:55,527 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:55,527 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:01:55,527 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:01:55,527 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:55,527 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2020-07-20 01:01:55,527 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-20 01:01:55,528 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2020-07-20 01:01:55,528 INFO L268 CegarLoopResult]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2020-07-20 01:01:55,528 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2020-07-20 01:01:55,528 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 01:01:55,528 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:01:55,528 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 01:01:55,528 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 01:01:55,529 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:01:55,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:55 BoogieIcfgContainer [2020-07-20 01:01:55,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:01:55,548 INFO L168 Benchmark]: Toolchain (without parser) took 39329.45 ms. Allocated memory was 140.0 MB in the beginning and 677.9 MB in the end (delta: 537.9 MB). Free memory was 104.6 MB in the beginning and 333.3 MB in the end (delta: -228.8 MB). Peak memory consumption was 533.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:55,549 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 01:01:55,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.28 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 104.1 MB in the beginning and 174.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:55,551 INFO L168 Benchmark]: Boogie Preprocessor took 120.17 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:55,552 INFO L168 Benchmark]: RCFGBuilder took 1169.31 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.1 MB in the beginning and 195.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:55,552 INFO L168 Benchmark]: TraceAbstraction took 37380.41 ms. Allocated memory was 235.9 MB in the beginning and 677.9 MB in the end (delta: 442.0 MB). Free memory was 195.8 MB in the beginning and 333.3 MB in the end (delta: -137.6 MB). Peak memory consumption was 528.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:55,556 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 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.28 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 104.1 MB in the beginning and 174.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.17 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.31 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.1 MB in the beginning and 195.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37380.41 ms. Allocated memory was 235.9 MB in the beginning and 677.9 MB in the end (delta: 442.0 MB). Free memory was 195.8 MB in the beginning and 333.3 MB in the end (delta: -137.6 MB). Peak memory consumption was 528.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || ((0 == splverifierCounter && 2 <= waterLevel) && 0 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 606 SDtfs, 1363 SDslu, 600 SDs, 0 SdLazy, 2923 SolverSat, 944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 172643 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 22679 FormulaSimplificationTreeSizeReductionInter, 12.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 124526 SizeOfPredicates, 3 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 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...