/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:42:39,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:42:39,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:42:39,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:42:39,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:42:39,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:42:39,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:42:39,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:42:39,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:42:39,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:42:39,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:42:39,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:42:39,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:42:39,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:42:39,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:42:39,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:42:39,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:42:39,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:42:39,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:42:39,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:42:39,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:42:39,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:42:39,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:42:39,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:42:39,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:42:39,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:42:39,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:42:39,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:42:39,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:42:39,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:42:39,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:42:39,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:42:39,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:42:39,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:42:39,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:42:39,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:42:39,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:42:39,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:42:39,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:42:39,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:42:39,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:42:39,955 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 10:42:39,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:42:39,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:42:39,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:42:39,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:42:39,993 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:42:39,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:42:39,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:42:39,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:42:39,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:42:39,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:42:39,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:42:39,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:42:39,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:42:39,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:42:39,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:42:39,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:42:39,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:42:39,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:42:39,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:42:39,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:42:39,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:42:39,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:39,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:42:39,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:42:39,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:42:39,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:42:39,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:39,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:42:39,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:42:39,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:42:40,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:42:40,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:42:40,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:42:40,329 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:42:40,330 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:42:40,331 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-07-20 10:42:40,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea5a2b0e/150d3fe501844341aed652e98e1c09d1/FLAG68ae6bc8a [2020-07-20 10:42:40,903 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:42:40,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-07-20 10:42:40,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea5a2b0e/150d3fe501844341aed652e98e1c09d1/FLAG68ae6bc8a [2020-07-20 10:42:41,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea5a2b0e/150d3fe501844341aed652e98e1c09d1 [2020-07-20 10:42:41,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:42:41,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:42:41,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:41,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:42:41,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:42:41,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125eb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41, skipping insertion in model container [2020-07-20 10:42:41,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:42:41,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:42:41,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:41,652 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:42:41,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:41,903 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:42:41,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41 WrapperNode [2020-07-20 10:42:41,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:41,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:42:41,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:42:41,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:42:41,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:41,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (1/1) ... [2020-07-20 10:42:42,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:42:42,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:42:42,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:42:42,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:42:42,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (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 10:42:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:42:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:42:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:42:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:42:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:42:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:42:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:42:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:42:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:42:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:42:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:42:42,094 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:42:42,095 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:42:42,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:42:42,097 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:42:42,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:42:42,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:42:42,098 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:42:42,099 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:42:42,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:42:42,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:42:42,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:42:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:42:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:42:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:42:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:42:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:42:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:42:42,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:42:42,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:42:42,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:42,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:42,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:42,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:42:42,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:42:42,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:42:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:42:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:42:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:42:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:42:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:42:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:42:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:42:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:42:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:42:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:42:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:42:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:42:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:42:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:42:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:42:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:42:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:42:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:42:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:42:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:42:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:42:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:42:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:42:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:42:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:42:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:42:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:42:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:42:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:42:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:42:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:42:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:42:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:42:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:42:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:42:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:42:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:42:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:42:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:42:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:42:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:42:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:42:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:42:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:42:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:42:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:42:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:42:45,319 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:42:45,320 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:42:45,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:45 BoogieIcfgContainer [2020-07-20 10:42:45,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:42:45,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:42:45,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:42:45,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:42:45,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:41" (1/3) ... [2020-07-20 10:42:45,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f29495b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:45, skipping insertion in model container [2020-07-20 10:42:45,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:41" (2/3) ... [2020-07-20 10:42:45,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f29495b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:45, skipping insertion in model container [2020-07-20 10:42:45,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:45" (3/3) ... [2020-07-20 10:42:45,333 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-07-20 10:42:45,344 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:42:45,352 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:42:45,366 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:42:45,390 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:42:45,390 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:42:45,390 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:42:45,391 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:42:45,391 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:42:45,391 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:42:45,391 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:42:45,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:42:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-07-20 10:42:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:42:45,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:45,422 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 10:42:45,423 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:45,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:45,429 INFO L82 PathProgramCache]: Analyzing trace with hash -11503159, now seen corresponding path program 1 times [2020-07-20 10:42:45,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:45,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342768465] [2020-07-20 10:42:45,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:45,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:42:45,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:45,710 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 10:42:45,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:45,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342768465] [2020-07-20 10:42:45,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:45,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:42:45,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817374436] [2020-07-20 10:42:45,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:42:45,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:45,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:42:45,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:45,734 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2020-07-20 10:42:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:45,772 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2020-07-20 10:42:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:42:45,773 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:42:45,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:45,786 INFO L225 Difference]: With dead ends: 208 [2020-07-20 10:42:45,786 INFO L226 Difference]: Without dead ends: 104 [2020-07-20 10:42:45,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:45,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-20 10:42:45,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-20 10:42:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-20 10:42:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-07-20 10:42:45,847 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-07-20 10:42:45,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:45,848 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-07-20 10:42:45,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:42:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-07-20 10:42:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:42:45,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:45,852 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 10:42:46,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:46,066 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:46,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:46,068 INFO L82 PathProgramCache]: Analyzing trace with hash -916860037, now seen corresponding path program 1 times [2020-07-20 10:42:46,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:46,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871476718] [2020-07-20 10:42:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:46,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:46,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:46,355 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 10:42:46,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:46,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871476718] [2020-07-20 10:42:46,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:46,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:46,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850321640] [2020-07-20 10:42:46,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:46,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:46,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:46,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:46,362 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2020-07-20 10:42:46,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:46,403 INFO L93 Difference]: Finished difference Result 184 states and 221 transitions. [2020-07-20 10:42:46,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:46,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:42:46,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:46,411 INFO L225 Difference]: With dead ends: 184 [2020-07-20 10:42:46,412 INFO L226 Difference]: Without dead ends: 104 [2020-07-20 10:42:46,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:46,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-20 10:42:46,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-20 10:42:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-20 10:42:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-07-20 10:42:46,448 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 47 [2020-07-20 10:42:46,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:46,449 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-07-20 10:42:46,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-07-20 10:42:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:42:46,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:46,458 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] [2020-07-20 10:42:46,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:46,671 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:46,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:46,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1578513704, now seen corresponding path program 1 times [2020-07-20 10:42:46,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:46,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023644138] [2020-07-20 10:42:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:46,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:42:46,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:46,929 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 10:42:46,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:46,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023644138] [2020-07-20 10:42:46,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:46,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:46,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922135596] [2020-07-20 10:42:46,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:46,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:46,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:46,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:46,933 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 6 states. [2020-07-20 10:42:47,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:47,208 INFO L93 Difference]: Finished difference Result 253 states and 311 transitions. [2020-07-20 10:42:47,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:47,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-20 10:42:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:47,212 INFO L225 Difference]: With dead ends: 253 [2020-07-20 10:42:47,213 INFO L226 Difference]: Without dead ends: 173 [2020-07-20 10:42:47,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:47,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-20 10:42:47,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-07-20 10:42:47,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-20 10:42:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 208 transitions. [2020-07-20 10:42:47,239 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 208 transitions. Word has length 59 [2020-07-20 10:42:47,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:47,239 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 208 transitions. [2020-07-20 10:42:47,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 208 transitions. [2020-07-20 10:42:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:42:47,242 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:47,242 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] [2020-07-20 10:42:47,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:47,458 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:47,458 INFO L82 PathProgramCache]: Analyzing trace with hash -245878590, now seen corresponding path program 1 times [2020-07-20 10:42:47,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:47,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982326024] [2020-07-20 10:42:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:47,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:47,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:47,695 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 10:42:47,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:47,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982326024] [2020-07-20 10:42:47,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:47,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:47,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890254224] [2020-07-20 10:42:47,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:47,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:47,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:47,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:47,698 INFO L87 Difference]: Start difference. First operand 173 states and 208 transitions. Second operand 3 states. [2020-07-20 10:42:47,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:47,721 INFO L93 Difference]: Finished difference Result 268 states and 314 transitions. [2020-07-20 10:42:47,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:47,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-07-20 10:42:47,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:47,731 INFO L225 Difference]: With dead ends: 268 [2020-07-20 10:42:47,731 INFO L226 Difference]: Without dead ends: 155 [2020-07-20 10:42:47,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:47,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-20 10:42:47,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-07-20 10:42:47,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-20 10:42:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 182 transitions. [2020-07-20 10:42:47,768 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 182 transitions. Word has length 59 [2020-07-20 10:42:47,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:47,774 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 182 transitions. [2020-07-20 10:42:47,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2020-07-20 10:42:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-20 10:42:47,778 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:47,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:47,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:47,979 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:47,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:47,979 INFO L82 PathProgramCache]: Analyzing trace with hash 927496270, now seen corresponding path program 1 times [2020-07-20 10:42:47,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:47,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226856982] [2020-07-20 10:42:47,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:48,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:42:48,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:48,202 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 10:42:48,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:48,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226856982] [2020-07-20 10:42:48,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:48,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:48,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51315854] [2020-07-20 10:42:48,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:48,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:48,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:48,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:48,205 INFO L87 Difference]: Start difference. First operand 155 states and 182 transitions. Second operand 6 states. [2020-07-20 10:42:48,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:48,368 INFO L93 Difference]: Finished difference Result 195 states and 233 transitions. [2020-07-20 10:42:48,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:48,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-20 10:42:48,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:48,369 INFO L225 Difference]: With dead ends: 195 [2020-07-20 10:42:48,369 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:42:48,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:42:48,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:42:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:42:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:42:48,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-07-20 10:42:48,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:48,372 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:42:48,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:42:48,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:42:48,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:48,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:42:49,499 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-07-20 10:42:49,500 INFO L268 CegarLoopResult]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2020-07-20 10:42:49,500 INFO L268 CegarLoopResult]: For program point L628(lines 605 629) no Hoare annotation was computed. [2020-07-20 10:42:49,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2020-07-20 10:42:49,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2020-07-20 10:42:49,501 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-20 10:42:49,501 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2020-07-20 10:42:49,501 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2020-07-20 10:42:49,501 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-07-20 10:42:49,501 INFO L268 CegarLoopResult]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2020-07-20 10:42:49,501 INFO L268 CegarLoopResult]: For program point L664(line 664) no Hoare annotation was computed. [2020-07-20 10:42:49,501 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2020-07-20 10:42:49,502 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2020-07-20 10:42:49,502 INFO L268 CegarLoopResult]: For program point L689(lines 662 690) no Hoare annotation was computed. [2020-07-20 10:42:49,502 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2020-07-20 10:42:49,502 INFO L268 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-07-20 10:42:49,502 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2020-07-20 10:42:49,502 INFO L268 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-07-20 10:42:49,503 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2020-07-20 10:42:49,503 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2020-07-20 10:42:49,503 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2020-07-20 10:42:49,503 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2020-07-20 10:42:49,503 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2020-07-20 10:42:49,504 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-20 10:42:49,504 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:49,504 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-20 10:42:49,505 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:49,505 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-20 10:42:49,505 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-20 10:42:49,505 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-20 10:42:49,505 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-20 10:42:49,505 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-20 10:42:49,505 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-20 10:42:49,507 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,508 INFO L264 CegarLoopResult]: At program point L161-1(line 161) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,508 INFO L268 CegarLoopResult]: For program point L159(lines 159 166) no Hoare annotation was computed. [2020-07-20 10:42:49,509 INFO L268 CegarLoopResult]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2020-07-20 10:42:49,509 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,509 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 10:42:49,509 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,509 INFO L264 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,509 INFO L264 CegarLoopResult]: At program point L155-1(line 155) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,509 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-20 10:42:49,510 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-20 10:42:49,511 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-07-20 10:42:49,512 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 10:42:49,512 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2020-07-20 10:42:49,512 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2020-07-20 10:42:49,512 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2020-07-20 10:42:49,512 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-07-20 10:42:49,512 INFO L271 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: true [2020-07-20 10:42:49,512 INFO L268 CegarLoopResult]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2020-07-20 10:42:49,513 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-07-20 10:42:49,513 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2020-07-20 10:42:49,513 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2020-07-20 10:42:49,513 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2020-07-20 10:42:49,514 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-20 10:42:49,514 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 10:42:49,514 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-07-20 10:42:49,514 INFO L268 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2020-07-20 10:42:49,514 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 384 419) no Hoare annotation was computed. [2020-07-20 10:42:49,515 INFO L268 CegarLoopResult]: For program point L391(lines 391 399) no Hoare annotation was computed. [2020-07-20 10:42:49,515 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2020-07-20 10:42:49,515 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2020-07-20 10:42:49,517 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2020-07-20 10:42:49,517 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2020-07-20 10:42:49,518 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2020-07-20 10:42:49,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2020-07-20 10:42:49,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2020-07-20 10:42:49,518 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2020-07-20 10:42:49,518 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-07-20 10:42:49,518 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-07-20 10:42:49,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2020-07-20 10:42:49,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2020-07-20 10:42:49,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2020-07-20 10:42:49,519 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-07-20 10:42:49,519 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,519 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2020-07-20 10:42:49,520 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2020-07-20 10:42:49,520 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-20 10:42:49,520 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-20 10:42:49,521 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2020-07-20 10:42:49,521 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2020-07-20 10:42:49,521 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 364 374) no Hoare annotation was computed. [2020-07-20 10:42:49,521 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2020-07-20 10:42:49,521 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2020-07-20 10:42:49,521 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2020-07-20 10:42:49,521 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2020-07-20 10:42:49,522 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:49,522 INFO L268 CegarLoopResult]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2020-07-20 10:42:49,522 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:49,522 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:49,522 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:49,522 INFO L268 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-07-20 10:42:49,522 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:49,523 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-07-20 10:42:49,523 INFO L268 CegarLoopResult]: For program point L327(lines 327 344) no Hoare annotation was computed. [2020-07-20 10:42:49,523 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2020-07-20 10:42:49,523 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2020-07-20 10:42:49,523 INFO L264 CegarLoopResult]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,523 INFO L268 CegarLoopResult]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2020-07-20 10:42:49,523 INFO L264 CegarLoopResult]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:49,523 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-20 10:42:49,524 INFO L264 CegarLoopResult]: At program point L263-2(lines 257 268) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,524 INFO L268 CegarLoopResult]: For program point L228(lines 227 272) no Hoare annotation was computed. [2020-07-20 10:42:49,524 INFO L268 CegarLoopResult]: For program point L257(lines 257 268) no Hoare annotation was computed. [2020-07-20 10:42:49,524 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,524 INFO L268 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-07-20 10:42:49,524 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2020-07-20 10:42:49,525 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,525 INFO L264 CegarLoopResult]: At program point L270(lines 227 272) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,525 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-20 10:42:49,525 INFO L268 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-07-20 10:42:49,525 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-07-20 10:42:49,525 INFO L268 CegarLoopResult]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2020-07-20 10:42:49,525 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2020-07-20 10:42:49,525 INFO L268 CegarLoopResult]: For program point L822(lines 822 829) no Hoare annotation was computed. [2020-07-20 10:42:49,525 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2020-07-20 10:42:49,526 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2020-07-20 10:42:49,526 INFO L268 CegarLoopResult]: For program point L816(lines 816 836) no Hoare annotation was computed. [2020-07-20 10:42:49,526 INFO L268 CegarLoopResult]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2020-07-20 10:42:49,526 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2020-07-20 10:42:49,526 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2020-07-20 10:42:49,526 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2020-07-20 10:42:49,526 INFO L268 CegarLoopResult]: For program point L495(lines 495 503) no Hoare annotation was computed. [2020-07-20 10:42:49,526 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 487 509) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 183 192) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2020-07-20 10:42:49,527 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L723(lines 723 727) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L787(lines 787 798) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L769(lines 747 770) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L728(lines 728 744) no Hoare annotation was computed. [2020-07-20 10:42:49,528 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-07-20 10:42:49,529 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2020-07-20 10:42:49,529 INFO L268 CegarLoopResult]: For program point L749(lines 748 768) no Hoare annotation was computed. [2020-07-20 10:42:49,529 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-07-20 10:42:49,529 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-07-20 10:42:49,529 INFO L268 CegarLoopResult]: For program point L745(lines 745 786) no Hoare annotation was computed. [2020-07-20 10:42:49,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:49,529 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:49,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:49,530 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 348 355) no Hoare annotation was computed. [2020-07-20 10:42:49,530 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2020-07-20 10:42:49,530 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2020-07-20 10:42:49,530 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2020-07-20 10:42:49,530 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2020-07-20 10:42:49,530 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2020-07-20 10:42:49,530 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: true [2020-07-20 10:42:49,530 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2020-07-20 10:42:49,531 INFO L268 CegarLoopResult]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2020-07-20 10:42:49,531 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:49,531 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:42:49,531 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:49,531 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,532 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,532 INFO L264 CegarLoopResult]: At program point L302(lines 302 308) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,532 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2020-07-20 10:42:49,532 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:49,532 INFO L268 CegarLoopResult]: For program point L295(lines 294 313) no Hoare annotation was computed. [2020-07-20 10:42:49,532 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2020-07-20 10:42:49,533 INFO L271 CegarLoopResult]: At program point L96(lines 71 100) the Hoare annotation is: true [2020-07-20 10:42:49,533 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2020-07-20 10:42:49,533 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2020-07-20 10:42:49,533 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 10:42:49,533 INFO L268 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-07-20 10:42:49,533 INFO L271 CegarLoopResult]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2020-07-20 10:42:49,533 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 10:42:49,533 INFO L271 CegarLoopResult]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2020-07-20 10:42:49,534 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-07-20 10:42:49,534 INFO L268 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-07-20 10:42:49,534 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2020-07-20 10:42:49,534 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 478 486) no Hoare annotation was computed. [2020-07-20 10:42:49,534 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2020-07-20 10:42:49,534 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2020-07-20 10:42:49,534 INFO L268 CegarLoopResult]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2020-07-20 10:42:49,534 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2020-07-20 10:42:49,535 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2020-07-20 10:42:49,535 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2020-07-20 10:42:49,535 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:49,535 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:42:49,535 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:49,536 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:49,537 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2020-07-20 10:42:49,537 INFO L268 CegarLoopResult]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2020-07-20 10:42:49,537 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:49,538 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2020-07-20 10:42:49,538 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2020-07-20 10:42:49,538 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2020-07-20 10:42:49,538 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2020-07-20 10:42:49,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:49 BoogieIcfgContainer [2020-07-20 10:42:49,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:42:49,564 INFO L168 Benchmark]: Toolchain (without parser) took 8336.22 ms. Allocated memory was 137.9 MB in the beginning and 284.2 MB in the end (delta: 146.3 MB). Free memory was 100.7 MB in the beginning and 192.3 MB in the end (delta: -91.5 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:49,565 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:42:49,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.02 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 172.6 MB in the end (delta: -72.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:49,567 INFO L168 Benchmark]: Boogie Preprocessor took 106.73 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:49,568 INFO L168 Benchmark]: RCFGBuilder took 3313.45 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 168.4 MB in the beginning and 202.9 MB in the end (delta: -34.5 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:49,569 INFO L168 Benchmark]: TraceAbstraction took 4235.14 ms. Allocated memory was 234.9 MB in the beginning and 284.2 MB in the end (delta: 49.3 MB). Free memory was 201.5 MB in the beginning and 192.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 126.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:49,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.02 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 172.6 MB in the end (delta: -72.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.73 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3313.45 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 168.4 MB in the beginning and 202.9 MB in the end (delta: -34.5 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4235.14 ms. Allocated memory was 234.9 MB in the beginning and 284.2 MB in the end (delta: 49.3 MB). Free memory was 201.5 MB in the beginning and 192.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 126.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || !(0 == \old(pumpRunning))) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 556 SDtfs, 216 SDslu, 676 SDs, 0 SdLazy, 113 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 261 PreInvPairs, 271 NumberOfFragments, 484 HoareAnnotationTreeSize, 261 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 49 FomulaSimplificationsInter, 264 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 26613 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3263 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...