/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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:37:38,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:37:38,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:37:38,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:37:38,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:37:38,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:37:38,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:37:38,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:37:38,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:37:38,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:37:38,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:37:38,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:37:38,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:37:38,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:37:38,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:37:38,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:37:38,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:37:38,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:37:38,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:37:38,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:37:38,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:37:38,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:37:38,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:37:38,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:37:38,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:37:38,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:37:38,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:37:38,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:37:38,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:37:38,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:37:38,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:37:38,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:37:38,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:37:38,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:37:38,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:37:38,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:37:38,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:37:38,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:37:38,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:37:38,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:37:38,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:37:38,106 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 [2020-07-21 10:37:38,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:37:38,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:37:38,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:37:38,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:37:38,131 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:37:38,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:37:38,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:37:38,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:37:38,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:37:38,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:37:38,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:37:38,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:37:38,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:37:38,134 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:37:38,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:37:38,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:37:38,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:37:38,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:37:38,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:37:38,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:37:38,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:37:38,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:38,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:37:38,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:37:38,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:37:38,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:37:38,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:38,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:37:38,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:37:38,137 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 [2020-07-21 10:37:38,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:37:38,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:37:38,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:37:38,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:37:38,457 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:37:38,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-07-21 10:37:38,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7216e9817/2018e66b64cf468699d02e0493d453ea/FLAGa47e3378a [2020-07-21 10:37:39,075 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:37:39,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-07-21 10:37:39,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7216e9817/2018e66b64cf468699d02e0493d453ea/FLAGa47e3378a [2020-07-21 10:37:39,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7216e9817/2018e66b64cf468699d02e0493d453ea [2020-07-21 10:37:39,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:37:39,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:37:39,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:39,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:37:39,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:37:39,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:39" (1/1) ... [2020-07-21 10:37:39,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c247f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:39, skipping insertion in model container [2020-07-21 10:37:39,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:39" (1/1) ... [2020-07-21 10:37:39,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:37:39,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:37:39,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:39,971 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:37:40,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:40,081 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:37:40,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40 WrapperNode [2020-07-21 10:37:40,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:40,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:37:40,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:37:40,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:37:40,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (1/1) ... [2020-07-21 10:37:40,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (1/1) ... [2020-07-21 10:37:40,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (1/1) ... [2020-07-21 10:37:40,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (1/1) ... [2020-07-21 10:37:40,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (1/1) ... [2020-07-21 10:37:40,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (1/1) ... [2020-07-21 10:37:40,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (1/1) ... [2020-07-21 10:37:40,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:37:40,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:37:40,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:37:40,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:37:40,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (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 [2020-07-21 10:37:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:37:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:37:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:37:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:37:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:37:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:37:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:37:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:37:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:37:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:37:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:37:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:37:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:37:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:37:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:37:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:37:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:37:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:37:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:37:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:37:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:37:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:37:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:37:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:37:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:37:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:37:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:37:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:37:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:37:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:37:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:37:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:37:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:37:40,256 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:37:40,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:37:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:37:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:37:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:37:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:37:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:37:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:37:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:37:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:37:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:37:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:37:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:37:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:37:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:37:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:37:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:37:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:37:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:37:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:37:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:37:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:37:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:37:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:37:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:37:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:37:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:37:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:37:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:37:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:37:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:37:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:37:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:37:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:37:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:37:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:37:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:37:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:37:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:37:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:37:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:37:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:37:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:37:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:37:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:37:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:37:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:37:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:37:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:37:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:37:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:37:41,461 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:37:41,462 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:37:41,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:41 BoogieIcfgContainer [2020-07-21 10:37:41,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:37:41,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:37:41,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:37:41,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:37:41,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:39" (1/3) ... [2020-07-21 10:37:41,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf27192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:41, skipping insertion in model container [2020-07-21 10:37:41,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:40" (2/3) ... [2020-07-21 10:37:41,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf27192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:41, skipping insertion in model container [2020-07-21 10:37:41,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:41" (3/3) ... [2020-07-21 10:37:41,476 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2020-07-21 10:37:41,487 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:37:41,496 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:37:41,511 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:37:41,539 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:37:41,539 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:37:41,539 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:37:41,539 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:37:41,540 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:37:41,540 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:37:41,540 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:37:41,540 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:37:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-21 10:37:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:37:41,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:41,576 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] [2020-07-21 10:37:41,577 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:41,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:41,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1185825638, now seen corresponding path program 1 times [2020-07-21 10:37:41,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:41,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725490458] [2020-07-21 10:37:41,594 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 [2020-07-21 10:37:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:41,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:37:41,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:41,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:41,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725490458] [2020-07-21 10:37:41,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:41,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:37:41,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254013546] [2020-07-21 10:37:41,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:37:41,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:41,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:37:41,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:41,953 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-21 10:37:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:41,994 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2020-07-21 10:37:41,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:37:41,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:37:41,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:42,009 INFO L225 Difference]: With dead ends: 252 [2020-07-21 10:37:42,009 INFO L226 Difference]: Without dead ends: 126 [2020-07-21 10:37:42,014 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 [2020-07-21 10:37:42,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-21 10:37:42,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-21 10:37:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-21 10:37:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-21 10:37:42,077 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-07-21 10:37:42,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:42,078 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-21 10:37:42,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:37:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-21 10:37:42,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:37:42,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:42,082 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] [2020-07-21 10:37:42,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:42,296 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:42,296 INFO L82 PathProgramCache]: Analyzing trace with hash 64634253, now seen corresponding path program 1 times [2020-07-21 10:37:42,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:42,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78361528] [2020-07-21 10:37:42,297 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 [2020-07-21 10:37:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:42,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:37:42,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:42,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:42,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78361528] [2020-07-21 10:37:42,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:42,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:42,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097892991] [2020-07-21 10:37:42,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:42,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:42,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:42,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:42,560 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2020-07-21 10:37:42,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:42,585 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2020-07-21 10:37:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:42,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:37:42,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:42,588 INFO L225 Difference]: With dead ends: 197 [2020-07-21 10:37:42,588 INFO L226 Difference]: Without dead ends: 117 [2020-07-21 10:37:42,590 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 [2020-07-21 10:37:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-21 10:37:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-21 10:37:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-21 10:37:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-07-21 10:37:42,605 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-07-21 10:37:42,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:42,605 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-07-21 10:37:42,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-07-21 10:37:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:37:42,608 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:42,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:42,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:42,822 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:42,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:42,823 INFO L82 PathProgramCache]: Analyzing trace with hash -974818796, now seen corresponding path program 1 times [2020-07-21 10:37:42,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:42,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529739205] [2020-07-21 10:37:42,824 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 [2020-07-21 10:37:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:42,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:37:43,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:43,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:43,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529739205] [2020-07-21 10:37:43,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:43,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:43,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854878637] [2020-07-21 10:37:43,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:43,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:43,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:43,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:43,032 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 3 states. [2020-07-21 10:37:43,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:43,054 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2020-07-21 10:37:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:43,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:37:43,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:43,057 INFO L225 Difference]: With dead ends: 210 [2020-07-21 10:37:43,057 INFO L226 Difference]: Without dead ends: 117 [2020-07-21 10:37:43,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-21 10:37:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-21 10:37:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-21 10:37:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-07-21 10:37:43,074 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-07-21 10:37:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:43,075 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-07-21 10:37:43,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-07-21 10:37:43,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:37:43,077 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:43,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:43,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:43,292 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:43,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:43,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2068919848, now seen corresponding path program 1 times [2020-07-21 10:37:43,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:43,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146805790] [2020-07-21 10:37:43,293 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 [2020-07-21 10:37:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:43,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:37:43,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:43,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:43,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146805790] [2020-07-21 10:37:43,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:43,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:43,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418815838] [2020-07-21 10:37:43,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:43,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:43,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:43,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:43,513 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 6 states. [2020-07-21 10:37:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:43,791 INFO L93 Difference]: Finished difference Result 292 states and 349 transitions. [2020-07-21 10:37:43,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:43,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-21 10:37:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:43,796 INFO L225 Difference]: With dead ends: 292 [2020-07-21 10:37:43,796 INFO L226 Difference]: Without dead ends: 199 [2020-07-21 10:37:43,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:43,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-07-21 10:37:43,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2020-07-21 10:37:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-07-21 10:37:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 234 transitions. [2020-07-21 10:37:43,820 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 234 transitions. Word has length 65 [2020-07-21 10:37:43,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:43,821 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 234 transitions. [2020-07-21 10:37:43,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 234 transitions. [2020-07-21 10:37:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-21 10:37:43,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:43,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:44,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:44,037 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:44,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:44,038 INFO L82 PathProgramCache]: Analyzing trace with hash 704311394, now seen corresponding path program 1 times [2020-07-21 10:37:44,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:44,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369229877] [2020-07-21 10:37:44,040 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 [2020-07-21 10:37:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:44,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:37:44,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:44,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:44,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369229877] [2020-07-21 10:37:44,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:44,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:44,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537017486] [2020-07-21 10:37:44,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:44,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:44,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:44,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:44,254 INFO L87 Difference]: Start difference. First operand 199 states and 234 transitions. Second operand 6 states. [2020-07-21 10:37:44,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:44,381 INFO L93 Difference]: Finished difference Result 248 states and 296 transitions. [2020-07-21 10:37:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:44,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-21 10:37:44,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:44,383 INFO L225 Difference]: With dead ends: 248 [2020-07-21 10:37:44,383 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:37:44,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:37:44,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:37:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:37:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:37:44,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-07-21 10:37:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:44,387 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:37:44,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:37:44,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:37:44,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:44,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:37:45,373 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-07-21 10:37:45,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-07-21 10:37:45,374 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-21 10:37:45,374 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-07-21 10:37:45,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-07-21 10:37:45,374 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 10:37:45,374 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-07-21 10:37:45,374 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-07-21 10:37:45,375 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-07-21 10:37:45,375 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-07-21 10:37:45,375 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-07-21 10:37:45,375 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-07-21 10:37:45,375 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-21 10:37:45,375 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-21 10:37:45,375 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-07-21 10:37:45,376 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-07-21 10:37:45,376 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-07-21 10:37:45,376 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-07-21 10:37:45,376 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2020-07-21 10:37:45,376 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2020-07-21 10:37:45,376 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2020-07-21 10:37:45,377 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2020-07-21 10:37:45,377 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2020-07-21 10:37:45,377 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2020-07-21 10:37:45,377 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,377 INFO L268 CegarLoopResult]: For program point L150(lines 150 156) no Hoare annotation was computed. [2020-07-21 10:37:45,377 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,378 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-07-21 10:37:45,378 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2020-07-21 10:37:45,378 INFO L268 CegarLoopResult]: For program point L146(lines 146 159) no Hoare annotation was computed. [2020-07-21 10:37:45,378 INFO L268 CegarLoopResult]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2020-07-21 10:37:45,378 INFO L271 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: true [2020-07-21 10:37:45,378 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-07-21 10:37:45,379 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,379 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,379 INFO L264 CegarLoopResult]: At program point L893-1(line 893) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,379 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-21 10:37:45,379 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2020-07-21 10:37:45,379 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-21 10:37:45,380 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2020-07-21 10:37:45,380 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,380 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,380 INFO L264 CegarLoopResult]: At program point L887-1(line 887) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,380 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2020-07-21 10:37:45,381 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-07-21 10:37:45,381 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-07-21 10:37:45,381 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-07-21 10:37:45,381 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-21 10:37:45,381 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-21 10:37:45,381 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-21 10:37:45,381 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-21 10:37:45,382 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-21 10:37:45,382 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-21 10:37:45,382 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-21 10:37:45,382 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-21 10:37:45,382 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-21 10:37:45,382 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-21 10:37:45,383 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-21 10:37:45,383 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-21 10:37:45,383 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-21 10:37:45,383 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-21 10:37:45,383 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:45,383 INFO L268 CegarLoopResult]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2020-07-21 10:37:45,383 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,384 INFO L264 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,384 INFO L268 CegarLoopResult]: For program point L212(lines 212 220) no Hoare annotation was computed. [2020-07-21 10:37:45,384 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,384 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-07-21 10:37:45,384 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:45,384 INFO L268 CegarLoopResult]: For program point L208(lines 208 225) no Hoare annotation was computed. [2020-07-21 10:37:45,384 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2020-07-21 10:37:45,385 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2020-07-21 10:37:45,385 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2020-07-21 10:37:45,385 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2020-07-21 10:37:45,385 INFO L268 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-07-21 10:37:45,385 INFO L271 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: true [2020-07-21 10:37:45,386 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2020-07-21 10:37:45,386 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-07-21 10:37:45,386 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2020-07-21 10:37:45,386 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2020-07-21 10:37:45,386 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2020-07-21 10:37:45,386 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-07-21 10:37:45,387 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-07-21 10:37:45,387 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-21 10:37:45,387 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-21 10:37:45,387 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 308 343) no Hoare annotation was computed. [2020-07-21 10:37:45,387 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-21 10:37:45,387 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2020-07-21 10:37:45,387 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2020-07-21 10:37:45,388 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2020-07-21 10:37:45,388 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2020-07-21 10:37:45,388 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2020-07-21 10:37:45,388 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-07-21 10:37:45,388 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-07-21 10:37:45,388 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-07-21 10:37:45,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-07-21 10:37:45,389 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-07-21 10:37:45,389 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-07-21 10:37:45,389 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-07-21 10:37:45,389 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-07-21 10:37:45,389 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-07-21 10:37:45,389 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,389 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2020-07-21 10:37:45,390 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2020-07-21 10:37:45,390 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2020-07-21 10:37:45,390 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2020-07-21 10:37:45,390 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2020-07-21 10:37:45,390 INFO L271 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: true [2020-07-21 10:37:45,390 INFO L268 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-07-21 10:37:45,390 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2020-07-21 10:37:45,390 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-07-21 10:37:45,391 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-07-21 10:37:45,391 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:45,391 INFO L268 CegarLoopResult]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2020-07-21 10:37:45,391 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2020-07-21 10:37:45,391 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,391 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:45,392 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,392 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 10:37:45,392 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,392 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-07-21 10:37:45,392 INFO L268 CegarLoopResult]: For program point L234(lines 234 251) no Hoare annotation was computed. [2020-07-21 10:37:45,392 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2020-07-21 10:37:45,392 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2020-07-21 10:37:45,393 INFO L268 CegarLoopResult]: For program point L384(lines 383 430) no Hoare annotation was computed. [2020-07-21 10:37:45,393 INFO L264 CegarLoopResult]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,393 INFO L264 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,393 INFO L268 CegarLoopResult]: For program point L413(lines 413 426) no Hoare annotation was computed. [2020-07-21 10:37:45,393 INFO L268 CegarLoopResult]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2020-07-21 10:37:45,394 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,394 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-07-21 10:37:45,394 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2020-07-21 10:37:45,394 INFO L264 CegarLoopResult]: At program point L428(lines 383 430) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,394 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,394 INFO L268 CegarLoopResult]: For program point L393(lines 393 399) no Hoare annotation was computed. [2020-07-21 10:37:45,394 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2020-07-21 10:37:45,395 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-07-21 10:37:45,395 INFO L264 CegarLoopResult]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,395 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-07-21 10:37:45,395 INFO L264 CegarLoopResult]: At program point L421-2(lines 413 426) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,395 INFO L268 CegarLoopResult]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2020-07-21 10:37:45,395 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-21 10:37:45,395 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 255 262) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2020-07-21 10:37:45,396 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-21 10:37:45,397 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-21 10:37:45,397 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-21 10:37:45,397 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:37:45,397 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:37:45,397 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:37:45,397 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:37:45,397 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:37:45,397 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-07-21 10:37:45,398 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-07-21 10:37:45,399 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2020-07-21 10:37:45,400 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 906 915) no Hoare annotation was computed. [2020-07-21 10:37:45,400 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2020-07-21 10:37:45,400 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:45,400 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:37:45,400 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:45,400 INFO L268 CegarLoopResult]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2020-07-21 10:37:45,400 INFO L268 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-07-21 10:37:45,400 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-07-21 10:37:45,401 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2020-07-21 10:37:45,401 INFO L268 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-07-21 10:37:45,401 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2020-07-21 10:37:45,401 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-07-21 10:37:45,401 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-21 10:37:45,401 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:37:45,401 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:37:45,401 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:37:45,402 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-21 10:37:45,402 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:37:45,402 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:45,402 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:37:45,402 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:45,402 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 10:37:45,403 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:37:45,403 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:37:45,403 INFO L264 CegarLoopResult]: At program point L185(line 185) 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)|))) [2020-07-21 10:37:45,403 INFO L264 CegarLoopResult]: At program point L183(lines 183 189) 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)|))) [2020-07-21 10:37:45,403 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:37:45,403 INFO L268 CegarLoopResult]: For program point L176(lines 175 194) no Hoare annotation was computed. [2020-07-21 10:37:45,404 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 172 195) 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)|))) [2020-07-21 10:37:45,404 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2020-07-21 10:37:45,404 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2020-07-21 10:37:45,404 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-07-21 10:37:45,404 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-07-21 10:37:45,404 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-07-21 10:37:45,404 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 10:37:45,405 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-21 10:37:45,405 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-07-21 10:37:45,405 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-21 10:37:45,405 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-07-21 10:37:45,405 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-07-21 10:37:45,405 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-21 10:37:45,405 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-21 10:37:45,406 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:37:45,406 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:37:45,406 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-07-21 10:37:45,406 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-07-21 10:37:45,406 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:45,406 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:37:45,406 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:37:45,406 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:45,407 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2020-07-21 10:37:45,407 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:45,407 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2020-07-21 10:37:45,407 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:37:45,407 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:37:45,407 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:45,407 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2020-07-21 10:37:45,408 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2020-07-21 10:37:45,408 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2020-07-21 10:37:45,408 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2020-07-21 10:37:45,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:37:45 BoogieIcfgContainer [2020-07-21 10:37:45,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:37:45,429 INFO L168 Benchmark]: Toolchain (without parser) took 5966.23 ms. Allocated memory was 146.3 MB in the beginning and 284.2 MB in the end (delta: 137.9 MB). Free memory was 101.6 MB in the beginning and 165.6 MB in the end (delta: -63.9 MB). Peak memory consumption was 110.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:45,429 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 10:37:45,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.97 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 171.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:45,431 INFO L168 Benchmark]: Boogie Preprocessor took 82.16 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:45,432 INFO L168 Benchmark]: RCFGBuilder took 1302.62 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.3 MB in the beginning and 198.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:45,433 INFO L168 Benchmark]: TraceAbstraction took 3957.34 ms. Allocated memory was 237.5 MB in the beginning and 284.2 MB in the end (delta: 46.7 MB). Free memory was 198.0 MB in the beginning and 165.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 115.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:45,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.97 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 171.2 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.16 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 167.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1302.62 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.3 MB in the beginning and 198.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3957.34 ms. Allocated memory was 237.5 MB in the beginning and 284.2 MB in the end (delta: 46.7 MB). Free memory was 198.0 MB in the beginning and 165.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 115.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (((((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 648 SDtfs, 239 SDslu, 806 SDs, 0 SdLazy, 131 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 301 PreInvPairs, 309 NumberOfFragments, 636 HoareAnnotationTreeSize, 301 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 249 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 30066 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3348 ConjunctsInSsa, 36 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...