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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:15,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:15,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:15,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:15,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:15,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:15,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:15,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:15,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:15,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:15,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:15,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:15,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:15,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:15,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:15,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:15,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:15,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:15,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:15,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:15,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:15,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:15,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:15,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:15,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:15,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:15,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:15,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:15,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:15,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:15,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:15,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:15,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:15,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:15,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:15,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:15,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:15,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:15,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:15,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:15,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:15,143 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 19:39:15,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:15,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:15,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:15,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:15,170 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:15,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:15,171 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:15,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:15,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:15,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:15,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:15,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:15,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:15,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:15,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:15,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:15,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:15,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:15,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:15,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:15,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:15,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:15,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:15,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:15,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:15,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:15,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:15,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:15,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:15,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:15,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:15,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:15,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:15,476 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:15,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-13 19:39:15,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca0bcf6d/49d284855f1441649db14b079d57183a/FLAG55fcb7e4c [2019-10-13 19:39:16,057 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:16,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-13 19:39:16,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca0bcf6d/49d284855f1441649db14b079d57183a/FLAG55fcb7e4c [2019-10-13 19:39:16,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca0bcf6d/49d284855f1441649db14b079d57183a [2019-10-13 19:39:16,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:16,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:16,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:16,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:16,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:16,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:16" (1/1) ... [2019-10-13 19:39:16,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259ca4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:16, skipping insertion in model container [2019-10-13 19:39:16,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:16" (1/1) ... [2019-10-13 19:39:16,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:16,497 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:16,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:16,954 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:17,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:17,074 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:17,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17 WrapperNode [2019-10-13 19:39:17,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:17,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:17,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:17,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:17,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (1/1) ... [2019-10-13 19:39:17,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (1/1) ... [2019-10-13 19:39:17,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (1/1) ... [2019-10-13 19:39:17,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (1/1) ... [2019-10-13 19:39:17,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (1/1) ... [2019-10-13 19:39:17,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (1/1) ... [2019-10-13 19:39:17,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (1/1) ... [2019-10-13 19:39:17,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:17,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:17,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:17,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:17,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (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 19:39:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:17,256 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 19:39:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:39:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:39:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:39:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:39:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 19:39:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:18,462 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:18,462 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:18,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:18 BoogieIcfgContainer [2019-10-13 19:39:18,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:18,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:18,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:18,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:18,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:16" (1/3) ... [2019-10-13 19:39:18,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8a2e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:18, skipping insertion in model container [2019-10-13 19:39:18,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17" (2/3) ... [2019-10-13 19:39:18,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8a2e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:18, skipping insertion in model container [2019-10-13 19:39:18,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:18" (3/3) ... [2019-10-13 19:39:18,473 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2019-10-13 19:39:18,483 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:18,492 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:18,503 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:18,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:18,531 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:18,531 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:18,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:18,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:18,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:18,532 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:18,532 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-13 19:39:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:18,564 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:18,565 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 19:39:18,567 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:18,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:18,571 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2019-10-13 19:39:18,580 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:18,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505090559] [2019-10-13 19:39:18,581 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:18,581 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:18,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,212 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:19,302 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 19:39:19,306 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505090559] [2019-10-13 19:39:19,308 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:19,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:19,310 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355976404] [2019-10-13 19:39:19,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:19,324 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:19,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:19,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:19,342 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2019-10-13 19:39:20,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:20,628 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2019-10-13 19:39:20,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:20,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:20,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:20,646 INFO L225 Difference]: With dead ends: 308 [2019-10-13 19:39:20,646 INFO L226 Difference]: Without dead ends: 167 [2019-10-13 19:39:20,651 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 19:39:20,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-10-13 19:39:20,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2019-10-13 19:39:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-13 19:39:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-13 19:39:20,744 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2019-10-13 19:39:20,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:20,744 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-13 19:39:20,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-13 19:39:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:20,748 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:20,748 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 19:39:20,749 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:20,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:20,749 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2019-10-13 19:39:20,749 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:20,750 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988961364] [2019-10-13 19:39:20,750 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:20,750 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:20,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,144 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:21,185 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 19:39:21,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988961364] [2019-10-13 19:39:21,185 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:21,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:21,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255698898] [2019-10-13 19:39:21,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:21,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:21,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:21,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:21,189 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2019-10-13 19:39:21,649 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:22,540 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2019-10-13 19:39:22,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:22,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:22,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:22,545 INFO L225 Difference]: With dead ends: 231 [2019-10-13 19:39:22,545 INFO L226 Difference]: Without dead ends: 151 [2019-10-13 19:39:22,547 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 19:39:22,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-13 19:39:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2019-10-13 19:39:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-13 19:39:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-13 19:39:22,583 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2019-10-13 19:39:22,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:22,583 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-13 19:39:22,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-13 19:39:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:39:22,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:22,586 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] [2019-10-13 19:39:22,586 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:22,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:22,587 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2019-10-13 19:39:22,587 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:22,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364882584] [2019-10-13 19:39:22,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:22,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:22,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:22,954 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:23,037 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 19:39:23,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364882584] [2019-10-13 19:39:23,038 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:23,038 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:23,038 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361444531] [2019-10-13 19:39:23,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:23,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:23,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:23,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:23,040 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2019-10-13 19:39:23,507 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:23,880 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:24,208 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:24,483 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:25,312 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:27,240 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2019-10-13 19:39:27,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:39:27,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-13 19:39:27,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:27,245 INFO L225 Difference]: With dead ends: 424 [2019-10-13 19:39:27,245 INFO L226 Difference]: Without dead ends: 325 [2019-10-13 19:39:27,247 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:39:27,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-10-13 19:39:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2019-10-13 19:39:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-13 19:39:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2019-10-13 19:39:27,322 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2019-10-13 19:39:27,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:27,322 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2019-10-13 19:39:27,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2019-10-13 19:39:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:39:27,325 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:27,326 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] [2019-10-13 19:39:27,326 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:27,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:27,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2019-10-13 19:39:27,327 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:27,327 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562421973] [2019-10-13 19:39:27,327 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:27,327 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:27,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,675 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,805 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 19:39:27,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562421973] [2019-10-13 19:39:27,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:27,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:27,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423425142] [2019-10-13 19:39:27,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:27,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:27,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:27,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:27,808 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2019-10-13 19:39:28,288 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:28,658 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:28,953 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:29,209 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:29,811 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:30,716 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:31,146 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:31,501 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:31,852 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:32,147 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:32,600 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:33,034 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:33,436 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:35,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:35,107 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2019-10-13 19:39:35,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:35,108 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:39:35,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:35,115 INFO L225 Difference]: With dead ends: 1047 [2019-10-13 19:39:35,116 INFO L226 Difference]: Without dead ends: 811 [2019-10-13 19:39:35,119 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 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 19:39:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-10-13 19:39:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2019-10-13 19:39:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2019-10-13 19:39:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2019-10-13 19:39:35,271 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2019-10-13 19:39:35,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:35,272 INFO L462 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2019-10-13 19:39:35,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2019-10-13 19:39:35,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:39:35,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:35,277 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] [2019-10-13 19:39:35,277 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:35,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:35,277 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2019-10-13 19:39:35,278 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:35,278 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185642463] [2019-10-13 19:39:35,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:35,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:35,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,548 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:35,661 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 19:39:35,679 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 19:39:35,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185642463] [2019-10-13 19:39:35,680 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:35,680 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:35,681 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293492301] [2019-10-13 19:39:35,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:35,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:35,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:35,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:35,683 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2019-10-13 19:39:36,065 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:36,985 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2019-10-13 19:39:36,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:36,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:39:36,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:36,992 INFO L225 Difference]: With dead ends: 1181 [2019-10-13 19:39:36,992 INFO L226 Difference]: Without dead ends: 499 [2019-10-13 19:39:36,996 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:39:36,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-13 19:39:37,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2019-10-13 19:39:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-13 19:39:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2019-10-13 19:39:37,106 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2019-10-13 19:39:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:37,107 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2019-10-13 19:39:37,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2019-10-13 19:39:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 19:39:37,112 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:37,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:37,113 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:37,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:37,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1524461315, now seen corresponding path program 1 times [2019-10-13 19:39:37,113 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:37,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277538079] [2019-10-13 19:39:37,114 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:37,114 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:37,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,455 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:39:37,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277538079] [2019-10-13 19:39:37,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498476787] [2019-10-13 19:39:37,566 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 19:39:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:37,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:37,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:38,046 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:38,046 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:38,047 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200804667] [2019-10-13 19:39:38,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:38,048 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:38,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:38,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:38,049 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 15 states. [2019-10-13 19:39:38,640 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:39,456 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:40,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:40,739 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2019-10-13 19:39:40,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:39:40,740 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2019-10-13 19:39:40,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:40,741 INFO L225 Difference]: With dead ends: 605 [2019-10-13 19:39:40,741 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:40,743 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:39:40,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:40,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:40,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:40,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 19:39:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:40,745 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:40,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:40,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:40,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:40,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:41,130 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 209 [2019-10-13 19:39:41,596 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 204 [2019-10-13 19:39:42,927 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 209 [2019-10-13 19:39:43,330 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 209 [2019-10-13 19:39:44,158 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-13 19:39:44,662 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:44,825 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:45,095 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:39:45,211 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2019-10-13 19:39:45,690 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:46,283 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:39:46,918 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:47,361 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2019-10-13 19:39:47,594 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:47,807 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:48,328 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:48,503 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:48,678 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:49,165 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:39:49,283 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-13 19:39:49,823 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:39:50,012 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:50,124 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-13 19:39:50,240 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2019-10-13 19:39:50,398 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:50,871 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:51,030 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:51,144 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 22 [2019-10-13 19:39:51,313 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:51,857 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:52,019 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:52,182 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:52,680 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-13 19:39:52,875 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:52,877 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2019-10-13 19:39:52,878 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-13 19:39:52,879 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2019-10-13 19:39:52,879 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2019-10-13 19:39:52,880 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2019-10-13 19:39:52,880 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2019-10-13 19:39:52,880 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2019-10-13 19:39:52,880 INFO L439 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,880 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2019-10-13 19:39:52,880 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2019-10-13 19:39:52,880 INFO L439 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,880 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-10-13 19:39:52,881 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2019-10-13 19:39:52,881 INFO L443 ceAbstractionStarter]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2019-10-13 19:39:52,881 INFO L446 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2019-10-13 19:39:52,881 INFO L443 ceAbstractionStarter]: For program point L887-1(line 887) no Hoare annotation was computed. [2019-10-13 19:39:52,881 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2019-10-13 19:39:52,881 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 19:39:52,881 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 19:39:52,881 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,882 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,882 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,882 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,882 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 19:39:52,882 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-13 19:39:52,883 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,883 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,883 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 19:39:52,883 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 19:39:52,883 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 19:39:52,883 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 19:39:52,884 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 19:39:52,885 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 19:39:52,885 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 19:39:52,885 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 19:39:52,885 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 19:39:52,885 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 19:39:52,885 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2019-10-13 19:39:52,885 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:39:52,886 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2019-10-13 19:39:52,886 INFO L439 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:39:52,886 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-13 19:39:52,886 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2019-10-13 19:39:52,886 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2019-10-13 19:39:52,886 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2019-10-13 19:39:52,886 INFO L443 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2019-10-13 19:39:52,887 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2019-10-13 19:39:52,887 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2019-10-13 19:39:52,887 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-10-13 19:39:52,887 INFO L446 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2019-10-13 19:39:52,887 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2019-10-13 19:39:52,887 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2019-10-13 19:39:52,887 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 738) no Hoare annotation was computed. [2019-10-13 19:39:52,887 INFO L443 ceAbstractionStarter]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 726) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-10-13 19:39:52,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 497) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 19:39:52,889 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2019-10-13 19:39:52,889 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2019-10-13 19:39:52,890 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-10-13 19:39:52,890 INFO L443 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2019-10-13 19:39:52,890 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2019-10-13 19:39:52,890 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2019-10-13 19:39:52,890 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2019-10-13 19:39:52,890 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2019-10-13 19:39:52,890 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:52,890 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2019-10-13 19:39:52,890 INFO L439 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,890 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2019-10-13 19:39:52,890 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,891 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:52,891 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2019-10-13 19:39:52,891 INFO L439 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,891 INFO L443 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2019-10-13 19:39:52,891 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2019-10-13 19:39:52,891 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2019-10-13 19:39:52,891 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2019-10-13 19:39:52,891 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 512 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,891 INFO L439 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:52,891 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2019-10-13 19:39:52,892 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:52,892 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-13 19:39:52,892 INFO L439 ceAbstractionStarter]: At program point L560-1(lines 552 567) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:52,892 INFO L443 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2019-10-13 19:39:52,892 INFO L439 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (and .cse1 (= 1 ~waterLevel~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse1 .cse0))) [2019-10-13 19:39:52,892 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2019-10-13 19:39:52,892 INFO L439 ceAbstractionStarter]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:52,892 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2019-10-13 19:39:52,892 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2019-10-13 19:39:52,892 INFO L439 ceAbstractionStarter]: At program point L569(lines 522 571) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:52,893 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 444) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 451) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2019-10-13 19:39:52,893 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 854) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-10-13 19:39:52,894 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 410) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-10-13 19:39:52,895 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 369) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2019-10-13 19:39:52,896 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2019-10-13 19:39:52,897 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2019-10-13 19:39:52,897 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:52,897 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-10-13 19:39:52,897 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:52,897 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2019-10-13 19:39:52,897 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-13 19:39:52,898 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2019-10-13 19:39:52,898 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-10-13 19:39:52,898 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2019-10-13 19:39:52,898 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-10-13 19:39:52,898 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:52,898 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-10-13 19:39:52,898 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2019-10-13 19:39:52,898 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:52,899 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:52,899 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:52,899 INFO L439 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:52,899 INFO L439 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= 1 ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:52,899 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:52,899 INFO L443 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2019-10-13 19:39:52,900 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= 1 ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:52,900 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2019-10-13 19:39:52,900 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2019-10-13 19:39:52,900 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 19:39:52,900 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 19:39:52,900 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 19:39:52,900 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 19:39:52,900 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 19:39:52,900 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 19:39:52,901 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 19:39:52,901 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 19:39:52,901 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 19:39:52,901 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 19:39:52,901 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-10-13 19:39:52,901 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2019-10-13 19:39:52,901 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-10-13 19:39:52,901 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2019-10-13 19:39:52,902 INFO L443 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2019-10-13 19:39:52,902 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-10-13 19:39:52,902 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 19:39:52,902 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 19:39:52,902 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:52,902 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 19:39:52,902 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:52,902 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:52,903 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-10-13 19:39:52,903 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 |old(~systemActive~0)|)) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,903 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2019-10-13 19:39:52,903 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-10-13 19:39:52,903 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2019-10-13 19:39:52,903 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (= 1 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-13 19:39:52,903 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2019-10-13 19:39:52,903 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2019-10-13 19:39:52,904 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-10-13 19:39:52,904 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2019-10-13 19:39:52,904 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,904 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2019-10-13 19:39:52,904 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:52,905 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,905 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-13 19:39:52,905 INFO L439 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:52,905 INFO L443 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2019-10-13 19:39:52,905 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-10-13 19:39:52,905 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:52,905 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2019-10-13 19:39:52,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:52 BoogieIcfgContainer [2019-10-13 19:39:52,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:52,922 INFO L168 Benchmark]: Toolchain (without parser) took 36506.00 ms. Allocated memory was 137.4 MB in the beginning and 683.1 MB in the end (delta: 545.8 MB). Free memory was 99.9 MB in the beginning and 239.6 MB in the end (delta: -139.7 MB). Peak memory consumption was 537.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:52,922 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 137.4 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 19:39:52,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.19 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 168.5 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:52,924 INFO L168 Benchmark]: Boogie Preprocessor took 93.32 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:52,925 INFO L168 Benchmark]: RCFGBuilder took 1293.26 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.6 MB in the beginning and 195.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:52,925 INFO L168 Benchmark]: TraceAbstraction took 34454.68 ms. Allocated memory was 232.8 MB in the beginning and 683.1 MB in the end (delta: 450.4 MB). Free memory was 195.1 MB in the beginning and 239.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 536.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:52,931 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 137.4 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.19 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 168.5 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.32 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1293.26 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.6 MB in the beginning and 195.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34454.68 ms. Allocated memory was 232.8 MB in the beginning and 683.1 MB in the end (delta: 450.4 MB). Free memory was 195.1 MB in the beginning and 239.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 536.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Result: SAFE, OverallTime: 34.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 18.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, HoareTripleCheckerStatistics: 675 SDtfs, 1509 SDslu, 719 SDs, 0 SdLazy, 3791 SolverSat, 1082 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1200 HoareAnnotationTreeSize, 838 FomulaSimplifications, 171581 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20483 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 127166 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/48 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...