java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:24,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:24,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:24,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:24,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:24,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:24,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:24,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:24,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:24,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:25,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:25,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:25,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:25,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:25,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:25,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:25,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:25,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:25,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:25,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:25,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:25,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:25,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:25,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:25,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:25,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:25,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:25,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:25,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:25,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:25,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:25,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:25,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:25,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:25,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:25,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:25,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:25,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:25,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:25,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:25,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:25,044 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 [2019-10-13 19:39:25,068 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:25,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:25,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:25,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:25,071 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:25,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:25,071 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:25,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:25,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:25,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:25,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:25,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:25,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:25,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:25,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:25,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:25,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:25,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:25,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:25,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:25,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:25,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:25,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:25,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:25,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:25,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:25,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:25,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:25,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:25,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:25,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:25,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:25,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:25,409 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:25,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-10-13 19:39:25,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a29f31ae/80609080c36741fa8b68720d8a12c017/FLAG6192d3c45 [2019-10-13 19:39:26,003 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:26,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-10-13 19:39:26,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a29f31ae/80609080c36741fa8b68720d8a12c017/FLAG6192d3c45 [2019-10-13 19:39:26,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a29f31ae/80609080c36741fa8b68720d8a12c017 [2019-10-13 19:39:26,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:26,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:26,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:26,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:26,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:26,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:26" (1/1) ... [2019-10-13 19:39:26,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3389bb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:26, skipping insertion in model container [2019-10-13 19:39:26,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:26" (1/1) ... [2019-10-13 19:39:26,311 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:26,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:26,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:26,961 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:27,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:27,103 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:27,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27 WrapperNode [2019-10-13 19:39:27,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:27,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:27,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:27,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:27,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (1/1) ... [2019-10-13 19:39:27,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (1/1) ... [2019-10-13 19:39:27,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (1/1) ... [2019-10-13 19:39:27,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (1/1) ... [2019-10-13 19:39:27,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (1/1) ... [2019-10-13 19:39:27,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (1/1) ... [2019-10-13 19:39:27,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (1/1) ... [2019-10-13 19:39:27,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:27,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:27,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:27,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:27,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (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 [2019-10-13 19:39:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:39:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:27,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:27,277 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:39:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:28,437 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:28,437 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:28,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:28 BoogieIcfgContainer [2019-10-13 19:39:28,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:28,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:28,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:28,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:28,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:26" (1/3) ... [2019-10-13 19:39:28,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9d04fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:28, skipping insertion in model container [2019-10-13 19:39:28,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:27" (2/3) ... [2019-10-13 19:39:28,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9d04fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:28, skipping insertion in model container [2019-10-13 19:39:28,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:28" (3/3) ... [2019-10-13 19:39:28,450 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2019-10-13 19:39:28,461 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:28,470 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:28,482 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:28,516 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:28,516 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:28,517 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:28,517 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:28,517 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:28,517 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:28,517 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:28,517 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-10-13 19:39:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:28,549 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:28,550 INFO L380 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] [2019-10-13 19:39:28,552 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:28,558 INFO L82 PathProgramCache]: Analyzing trace with hash 384818270, now seen corresponding path program 1 times [2019-10-13 19:39:28,567 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:28,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497515310] [2019-10-13 19:39:28,568 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:28,568 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:28,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,251 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:29,315 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497515310] [2019-10-13 19:39:29,316 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:29,316 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:29,317 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071906146] [2019-10-13 19:39:29,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:29,322 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:29,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:29,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:29,346 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2019-10-13 19:39:30,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:30,527 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2019-10-13 19:39:30,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:30,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:30,555 INFO L225 Difference]: With dead ends: 285 [2019-10-13 19:39:30,555 INFO L226 Difference]: Without dead ends: 154 [2019-10-13 19:39:30,565 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-13 19:39:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2019-10-13 19:39:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-10-13 19:39:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-10-13 19:39:30,655 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2019-10-13 19:39:30,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:30,656 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-10-13 19:39:30,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-10-13 19:39:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:30,660 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:30,660 INFO L380 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] [2019-10-13 19:39:30,661 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:30,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:30,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1404738686, now seen corresponding path program 1 times [2019-10-13 19:39:30,662 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:30,662 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145257733] [2019-10-13 19:39:30,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:30,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:30,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,031 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:31,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145257733] [2019-10-13 19:39:31,065 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:31,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:31,066 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133462704] [2019-10-13 19:39:31,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:31,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:31,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:31,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:31,068 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2019-10-13 19:39:31,507 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:32,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:32,241 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2019-10-13 19:39:32,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:32,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:32,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:32,244 INFO L225 Difference]: With dead ends: 218 [2019-10-13 19:39:32,244 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 19:39:32,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:39:32,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 19:39:32,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-13 19:39:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-13 19:39:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-10-13 19:39:32,284 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2019-10-13 19:39:32,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:32,285 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-10-13 19:39:32,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-10-13 19:39:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 19:39:32,297 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:32,297 INFO L380 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] [2019-10-13 19:39:32,297 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:32,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:32,298 INFO L82 PathProgramCache]: Analyzing trace with hash -166841959, now seen corresponding path program 1 times [2019-10-13 19:39:32,298 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:32,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284916534] [2019-10-13 19:39:32,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:32,298 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:32,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,699 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:32,790 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284916534] [2019-10-13 19:39:32,790 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:32,790 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:32,790 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13911455] [2019-10-13 19:39:32,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:32,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:32,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:32,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:32,792 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2019-10-13 19:39:33,220 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:33,563 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:33,856 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:34,100 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:35,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:35,214 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2019-10-13 19:39:35,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:35,215 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-13 19:39:35,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:35,218 INFO L225 Difference]: With dead ends: 227 [2019-10-13 19:39:35,218 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 19:39:35,220 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:35,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 19:39:35,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2019-10-13 19:39:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-13 19:39:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-10-13 19:39:35,250 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2019-10-13 19:39:35,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:35,250 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-10-13 19:39:35,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-10-13 19:39:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 19:39:35,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:35,252 INFO L380 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] [2019-10-13 19:39:35,253 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:35,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:35,253 INFO L82 PathProgramCache]: Analyzing trace with hash -2128475140, now seen corresponding path program 1 times [2019-10-13 19:39:35,253 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:35,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104061091] [2019-10-13 19:39:35,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:35,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:35,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,587 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:35,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104061091] [2019-10-13 19:39:35,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:35,700 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:35,700 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135492714] [2019-10-13 19:39:35,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:35,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:35,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:35,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:35,702 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2019-10-13 19:39:36,350 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:36,679 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:36,955 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:37,213 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:37,868 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:39,344 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:39,761 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:40,089 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:40,380 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:40,672 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:41,023 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:41,355 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:41,674 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:42,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:42,845 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2019-10-13 19:39:42,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:42,845 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2019-10-13 19:39:42,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:42,855 INFO L225 Difference]: With dead ends: 438 [2019-10-13 19:39:42,855 INFO L226 Difference]: Without dead ends: 349 [2019-10-13 19:39:42,858 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-13 19:39:42,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2019-10-13 19:39:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-13 19:39:42,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2019-10-13 19:39:42,981 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2019-10-13 19:39:42,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:42,982 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2019-10-13 19:39:42,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:42,983 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2019-10-13 19:39:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 19:39:42,985 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:42,985 INFO L380 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] [2019-10-13 19:39:42,985 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:42,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:42,986 INFO L82 PathProgramCache]: Analyzing trace with hash -460086026, now seen corresponding path program 1 times [2019-10-13 19:39:42,986 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:42,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40546259] [2019-10-13 19:39:42,987 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:42,987 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:42,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,367 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:43,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40546259] [2019-10-13 19:39:43,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:43,465 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:43,465 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093544688] [2019-10-13 19:39:43,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:43,466 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:43,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:43,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:43,467 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2019-10-13 19:39:43,824 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:44,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:44,393 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2019-10-13 19:39:44,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 19:39:44,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-13 19:39:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:44,397 INFO L225 Difference]: With dead ends: 434 [2019-10-13 19:39:44,397 INFO L226 Difference]: Without dead ends: 178 [2019-10-13 19:39:44,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:39:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-10-13 19:39:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2019-10-13 19:39:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-13 19:39:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2019-10-13 19:39:44,433 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 68 [2019-10-13 19:39:44,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:44,433 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2019-10-13 19:39:44,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2019-10-13 19:39:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 19:39:44,435 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:44,436 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:44,436 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:44,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:44,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1468087032, now seen corresponding path program 1 times [2019-10-13 19:39:44,437 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:44,437 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753734048] [2019-10-13 19:39:44,437 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:44,437 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:44,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,749 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 19:39:44,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753734048] [2019-10-13 19:39:44,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054513154] [2019-10-13 19:39:44,919 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:45,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:45,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:45,281 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:45,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:45,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054177785] [2019-10-13 19:39:45,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:45,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:45,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:45,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:45,283 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 15 states. [2019-10-13 19:39:45,898 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:46,663 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:47,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:47,441 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2019-10-13 19:39:47,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 19:39:47,442 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2019-10-13 19:39:47,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:47,443 INFO L225 Difference]: With dead ends: 223 [2019-10-13 19:39:47,443 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:47,445 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-10-13 19:39:47,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:47,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:47,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2019-10-13 19:39:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:47,446 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:47,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:47,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:47,652 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:47,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:49,312 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:49,467 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:49,612 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:49,842 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:50,150 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:50,321 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:50,549 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:50,712 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:51,175 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:51,388 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:51,853 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-13 19:39:52,363 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:52,863 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-13 19:39:53,064 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-13 19:39:53,545 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:53,988 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:54,179 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:54,390 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-13 19:39:54,547 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-10-13 19:39:54,698 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-10-13 19:39:55,243 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-13 19:39:55,697 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-13 19:39:55,700 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-13 19:39:55,700 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 243) no Hoare annotation was computed. [2019-10-13 19:39:55,700 INFO L443 ceAbstractionStarter]: For program point L244(lines 221 245) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 197 252) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 197 252) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 232) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 228 232) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 197 252) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2019-10-13 19:39:55,701 INFO L443 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 253 312) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 304) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point L305(lines 278 306) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 253 312) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 253 312) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-13 19:39:55,702 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2019-10-13 19:39:55,703 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2019-10-13 19:39:55,703 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 606 614) no Hoare annotation was computed. [2019-10-13 19:39:55,703 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2019-10-13 19:39:55,703 INFO L439 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,703 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-10-13 19:39:55,703 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,704 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-13 19:39:55,704 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 933) no Hoare annotation was computed. [2019-10-13 19:39:55,704 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2019-10-13 19:39:55,704 INFO L446 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2019-10-13 19:39:55,704 INFO L443 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2019-10-13 19:39:55,704 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2019-10-13 19:39:55,704 INFO L443 ceAbstractionStarter]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2019-10-13 19:39:55,704 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-10-13 19:39:55,705 INFO L439 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,705 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,705 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 888 910) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,705 INFO L439 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,705 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2019-10-13 19:39:55,705 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 888 910) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L439 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,706 INFO L439 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 905) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-13 19:39:55,706 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2019-10-13 19:39:55,707 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-13 19:39:55,707 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2019-10-13 19:39:55,714 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-13 19:39:55,714 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-13 19:39:55,714 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-13 19:39:55,714 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-13 19:39:55,714 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-13 19:39:55,715 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-13 19:39:55,715 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-13 19:39:55,715 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-13 19:39:55,715 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,716 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,716 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 672) no Hoare annotation was computed. [2019-10-13 19:39:55,716 INFO L439 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,716 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-10-13 19:39:55,716 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 677) no Hoare annotation was computed. [2019-10-13 19:39:55,716 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,717 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2019-10-13 19:39:55,717 INFO L439 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,717 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2019-10-13 19:39:55,717 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2019-10-13 19:39:55,717 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2019-10-13 19:39:55,717 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 751 759) no Hoare annotation was computed. [2019-10-13 19:39:55,717 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 809) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L446 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 809) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 796 814) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 775) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L767-2(lines 767 775) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 760 795) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2019-10-13 19:39:55,718 INFO L443 ceAbstractionStarter]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 760 795) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 760 795) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 151 196) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 151 196) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 151 196) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 498) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 478 498) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 464 509) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 464 509) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 464 509) no Hoare annotation was computed. [2019-10-13 19:39:55,719 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 491) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,720 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2019-10-13 19:39:55,720 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-10-13 19:39:55,720 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 740 750) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2019-10-13 19:39:55,720 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 732 739) no Hoare annotation was computed. [2019-10-13 19:39:55,720 INFO L439 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,721 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2019-10-13 19:39:55,721 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,721 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2019-10-13 19:39:55,721 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,721 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 682 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,721 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 698) no Hoare annotation was computed. [2019-10-13 19:39:55,721 INFO L439 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,721 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-13 19:39:55,721 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 703) no Hoare annotation was computed. [2019-10-13 19:39:55,721 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2019-10-13 19:39:55,722 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2019-10-13 19:39:55,722 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,722 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 513 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,722 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-10-13 19:39:55,722 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-10-13 19:39:55,722 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,722 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2019-10-13 19:39:55,722 INFO L439 ceAbstractionStarter]: At program point L566(lines 523 568) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L439 ceAbstractionStarter]: At program point L569(lines 522 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L439 ceAbstractionStarter]: At program point L559-2(lines 553 564) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point L524(lines 523 568) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 564) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 418 463) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 418 463) no Hoare annotation was computed. [2019-10-13 19:39:55,723 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 418 463) no Hoare annotation was computed. [2019-10-13 19:39:55,724 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 452) no Hoare annotation was computed. [2019-10-13 19:39:55,724 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 432 452) no Hoare annotation was computed. [2019-10-13 19:39:55,724 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 707 714) no Hoare annotation was computed. [2019-10-13 19:39:55,724 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 707 714) no Hoare annotation was computed. [2019-10-13 19:39:55,724 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 707 714) no Hoare annotation was computed. [2019-10-13 19:39:55,724 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2019-10-13 19:39:55,724 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-13 19:39:55,724 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 315 417) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2019-10-13 19:39:55,725 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 414) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point L364-2(lines 364 384) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 315 417) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point L385(lines 363 386) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 360) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 411) no Hoare annotation was computed. [2019-10-13 19:39:55,726 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 315 417) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point L365(lines 364 384) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 402) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 582 591) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 582 591) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 582 591) no Hoare annotation was computed. [2019-10-13 19:39:55,727 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:55,728 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-10-13 19:39:55,728 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:55,728 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-10-13 19:39:55,728 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-13 19:39:55,728 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 715 731) no Hoare annotation was computed. [2019-10-13 19:39:55,729 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 715 731) no Hoare annotation was computed. [2019-10-13 19:39:55,729 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-13 19:39:55,729 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 715 731) no Hoare annotation was computed. [2019-10-13 19:39:55,729 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-10-13 19:39:55,729 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-13 19:39:55,729 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-13 19:39:55,729 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 19:39:55,729 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-13 19:39:55,730 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:55,730 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 19:39:55,730 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:55,730 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:55,730 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:55,730 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 19:39:55,730 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-13 19:39:55,730 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 19:39:55,731 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2019-10-13 19:39:55,731 INFO L439 ceAbstractionStarter]: At program point L635(lines 635 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 (and (= 1 ~waterLevel~0) .cse2) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:55,731 INFO L439 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-13 19:39:55,731 INFO L443 ceAbstractionStarter]: For program point L628(lines 627 646) no Hoare annotation was computed. [2019-10-13 19:39:55,731 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 624 647) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2019-10-13 19:39:55,731 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2019-10-13 19:39:55,732 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2019-10-13 19:39:55,732 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2019-10-13 19:39:55,732 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-10-13 19:39:55,732 INFO L446 ceAbstractionStarter]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2019-10-13 19:39:55,732 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2019-10-13 19:39:55,732 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-13 19:39:55,732 INFO L446 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2019-10-13 19:39:55,732 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 19:39:55,733 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 19:39:55,733 INFO L446 ceAbstractionStarter]: At program point L842(lines 817 846) the Hoare annotation is: true [2019-10-13 19:39:55,733 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 19:39:55,733 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 19:39:55,733 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 19:39:55,733 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-13 19:39:55,733 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2019-10-13 19:39:55,733 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2019-10-13 19:39:55,733 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:55,734 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:39:55,734 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:55,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:55,734 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-13 19:39:55,734 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 19:39:55,734 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:55,734 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 136 143) no Hoare annotation was computed. [2019-10-13 19:39:55,735 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2019-10-13 19:39:55,735 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-13 19:39:55,735 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-10-13 19:39:55,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:55 BoogieIcfgContainer [2019-10-13 19:39:55,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:55,751 INFO L168 Benchmark]: Toolchain (without parser) took 29456.08 ms. Allocated memory was 139.5 MB in the beginning and 603.5 MB in the end (delta: 464.0 MB). Free memory was 101.7 MB in the beginning and 553.1 MB in the end (delta: -451.4 MB). Peak memory consumption was 464.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:55,752 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:55,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.00 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 101.5 MB in the beginning and 172.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:55,753 INFO L168 Benchmark]: Boogie Preprocessor took 102.10 ms. Allocated memory is still 205.0 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:55,754 INFO L168 Benchmark]: RCFGBuilder took 1233.69 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 168.4 MB in the beginning and 196.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:55,755 INFO L168 Benchmark]: TraceAbstraction took 27307.31 ms. Allocated memory was 235.9 MB in the beginning and 603.5 MB in the end (delta: 367.5 MB). Free memory was 196.0 MB in the beginning and 553.1 MB in the end (delta: -357.1 MB). Peak memory consumption was 461.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:55,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.00 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 101.5 MB in the beginning and 172.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.10 ms. Allocated memory is still 205.0 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1233.69 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 168.4 MB in the beginning and 196.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27307.31 ms. Allocated memory was 235.9 MB in the beginning and 603.5 MB in the end (delta: 367.5 MB). Free memory was 196.0 MB in the beginning and 553.1 MB in the end (delta: -357.1 MB). Peak memory consumption was 461.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 522]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && 0 == splverifierCounter) && 1 <= waterLevel)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 27.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, HoareTripleCheckerStatistics: 571 SDtfs, 1326 SDslu, 469 SDs, 0 SdLazy, 2856 SolverSat, 857 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1081 HoareAnnotationTreeSize, 412 FomulaSimplifications, 39961 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9025 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 145514 SizeOfPredicates, 3 NumberOfNonLiveVariables, 765 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 69/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...