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_spec3_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:36:18,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:36:18,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:36:18,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:36:18,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:36:18,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:36:18,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:36:18,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:36:18,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:36:18,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:36:18,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:36:18,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:36:18,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:36:18,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:36:18,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:36:18,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:36:18,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:36:18,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:36:18,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:36:18,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:36:18,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:36:18,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:36:18,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:36:18,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:36:18,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:36:18,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:36:18,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:36:18,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:36:18,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:36:18,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:36:18,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:36:18,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:36:18,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:36:18,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:36:18,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:36:18,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:36:18,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:36:18,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:36:18,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:36:18,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:36:18,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:36:18,261 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 [2019-09-16 16:36:18,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:36:18,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:36:18,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:36:18,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:36:18,293 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:36:18,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:36:18,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:36:18,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:36:18,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:36:18,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:36:18,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:36:18,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:36:18,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:36:18,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:36:18,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:36:18,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:36:18,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:36:18,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:36:18,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:36:18,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:36:18,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:36:18,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:36:18,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:36:18,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:36:18,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:36:18,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:36:18,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:36:18,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:36:18,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:36:18,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:36:18,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:36:18,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:36:18,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:36:18,379 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:36:18,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c [2019-09-16 16:36:18,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/396917607/0c2a1d55d6a548b1b6a1059a39d6bf4e/FLAGf03d23700 [2019-09-16 16:36:18,964 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:36:18,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product61.cil.c [2019-09-16 16:36:18,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/396917607/0c2a1d55d6a548b1b6a1059a39d6bf4e/FLAGf03d23700 [2019-09-16 16:36:19,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/396917607/0c2a1d55d6a548b1b6a1059a39d6bf4e [2019-09-16 16:36:19,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:36:19,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:36:19,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:36:19,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:36:19,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:36:19,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:36:19" (1/1) ... [2019-09-16 16:36:19,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e11f23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:19, skipping insertion in model container [2019-09-16 16:36:19,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:36:19" (1/1) ... [2019-09-16 16:36:19,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:36:19,397 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:36:19,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:36:19,909 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:36:20,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:36:20,051 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:36:20,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20 WrapperNode [2019-09-16 16:36:20,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:36:20,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:36:20,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:36:20,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:36:20,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (1/1) ... [2019-09-16 16:36:20,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (1/1) ... [2019-09-16 16:36:20,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (1/1) ... [2019-09-16 16:36:20,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (1/1) ... [2019-09-16 16:36:20,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (1/1) ... [2019-09-16 16:36:20,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (1/1) ... [2019-09-16 16:36:20,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (1/1) ... [2019-09-16 16:36:20,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:36:20,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:36:20,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:36:20,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:36:20,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (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 [2019-09-16 16:36:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:36:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:36:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:36:20,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:36:20,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:36:20,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:36:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:36:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:36:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:36:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:36:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:36:20,257 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:36:20,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:36:20,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:36:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:36:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:36:20,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:36:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:36:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:36:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:36:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:36:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:36:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:36:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:36:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:36:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:36:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:36:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:36:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:36:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:36:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:36:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-16 16:36:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:36:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:36:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:36:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:36:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:36:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:36:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:36:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:36:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:36:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:36:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:36:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:36:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:36:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:36:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:36:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:36:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:36:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:36:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:36:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:36:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:36:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:36:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:36:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:36:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:36:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:36:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:36:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-16 16:36:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:36:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:36:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:36:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:36:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:36:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 16:36:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:36:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:36:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:36:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:36:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:36:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:36:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:36:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:36:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:36:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:36:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:36:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:36:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:36:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:36:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:36:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:36:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:36:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:36:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:36:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:36:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:36:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:36:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:36:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:36:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:36:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:36:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:36:21,526 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:36:21,526 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:36:21,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:36:21 BoogieIcfgContainer [2019-09-16 16:36:21,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:36:21,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:36:21,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:36:21,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:36:21,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:36:19" (1/3) ... [2019-09-16 16:36:21,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cbf32a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:36:21, skipping insertion in model container [2019-09-16 16:36:21,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:36:20" (2/3) ... [2019-09-16 16:36:21,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cbf32a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:36:21, skipping insertion in model container [2019-09-16 16:36:21,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:36:21" (3/3) ... [2019-09-16 16:36:21,541 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61.cil.c [2019-09-16 16:36:21,551 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:36:21,567 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:36:21,584 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:36:21,629 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:36:21,629 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:36:21,630 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:36:21,630 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:36:21,630 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:36:21,630 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:36:21,630 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:36:21,630 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:36:21,630 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:36:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-09-16 16:36:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 16:36:21,667 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:21,668 INFO L407 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] [2019-09-16 16:36:21,671 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:21,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:21,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1302944760, now seen corresponding path program 1 times [2019-09-16 16:36:21,679 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:21,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:21,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:21,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:21,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:22,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:22,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:36:22,045 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:36:22,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:36:22,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:36:22,066 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-09-16 16:36:22,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:22,115 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2019-09-16 16:36:22,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:36:22,117 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-16 16:36:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:22,131 INFO L225 Difference]: With dead ends: 312 [2019-09-16 16:36:22,132 INFO L226 Difference]: Without dead ends: 156 [2019-09-16 16:36:22,137 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:36:22,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-09-16 16:36:22,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-09-16 16:36:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-09-16 16:36:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 186 transitions. [2019-09-16 16:36:22,200 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 186 transitions. Word has length 52 [2019-09-16 16:36:22,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:22,200 INFO L475 AbstractCegarLoop]: Abstraction has 156 states and 186 transitions. [2019-09-16 16:36:22,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:36:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 186 transitions. [2019-09-16 16:36:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-16 16:36:22,205 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:22,206 INFO L407 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] [2019-09-16 16:36:22,206 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:22,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:22,207 INFO L82 PathProgramCache]: Analyzing trace with hash -279757305, now seen corresponding path program 1 times [2019-09-16 16:36:22,207 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:22,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:22,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:22,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:22,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:22,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:22,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:36:22,338 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:36:22,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:36:22,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:36:22,339 INFO L87 Difference]: Start difference. First operand 156 states and 186 transitions. Second operand 3 states. [2019-09-16 16:36:22,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:22,367 INFO L93 Difference]: Finished difference Result 261 states and 311 transitions. [2019-09-16 16:36:22,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:36:22,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-16 16:36:22,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:22,371 INFO L225 Difference]: With dead ends: 261 [2019-09-16 16:36:22,371 INFO L226 Difference]: Without dead ends: 147 [2019-09-16 16:36:22,373 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:36:22,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-09-16 16:36:22,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-09-16 16:36:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-16 16:36:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2019-09-16 16:36:22,396 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 53 [2019-09-16 16:36:22,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:22,396 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2019-09-16 16:36:22,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:36:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2019-09-16 16:36:22,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 16:36:22,399 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:22,400 INFO L407 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] [2019-09-16 16:36:22,400 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:22,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:22,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1451505581, now seen corresponding path program 1 times [2019-09-16 16:36:22,400 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:22,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:22,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:22,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:22,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:22,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:22,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:36:22,542 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:36:22,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:36:22,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:36:22,545 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 7 states. [2019-09-16 16:36:22,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:22,994 INFO L93 Difference]: Finished difference Result 270 states and 325 transitions. [2019-09-16 16:36:22,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:36:22,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-16 16:36:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:22,998 INFO L225 Difference]: With dead ends: 270 [2019-09-16 16:36:22,998 INFO L226 Difference]: Without dead ends: 147 [2019-09-16 16:36:23,004 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:36:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-09-16 16:36:23,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-09-16 16:36:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-16 16:36:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 173 transitions. [2019-09-16 16:36:23,043 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 173 transitions. Word has length 57 [2019-09-16 16:36:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:23,046 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 173 transitions. [2019-09-16 16:36:23,046 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:36:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2019-09-16 16:36:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-16 16:36:23,055 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:23,056 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:23,056 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:23,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:23,059 INFO L82 PathProgramCache]: Analyzing trace with hash 2075034732, now seen corresponding path program 1 times [2019-09-16 16:36:23,059 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:23,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:23,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:23,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:23,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:23,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:23,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:36:23,258 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:36:23,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:36:23,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:36:23,260 INFO L87 Difference]: Start difference. First operand 147 states and 173 transitions. Second operand 5 states. [2019-09-16 16:36:23,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:23,822 INFO L93 Difference]: Finished difference Result 391 states and 474 transitions. [2019-09-16 16:36:23,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:36:23,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-09-16 16:36:23,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:23,826 INFO L225 Difference]: With dead ends: 391 [2019-09-16 16:36:23,826 INFO L226 Difference]: Without dead ends: 268 [2019-09-16 16:36:23,827 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:36:23,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2019-09-16 16:36:23,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 250. [2019-09-16 16:36:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-09-16 16:36:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 285 transitions. [2019-09-16 16:36:23,874 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 285 transitions. Word has length 75 [2019-09-16 16:36:23,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:23,875 INFO L475 AbstractCegarLoop]: Abstraction has 250 states and 285 transitions. [2019-09-16 16:36:23,876 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:36:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 285 transitions. [2019-09-16 16:36:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 16:36:23,886 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:23,887 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:23,887 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:23,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:23,887 INFO L82 PathProgramCache]: Analyzing trace with hash -466354007, now seen corresponding path program 1 times [2019-09-16 16:36:23,887 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:23,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:23,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:23,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:23,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:24,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:24,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:36:24,032 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:36:24,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:36:24,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:36:24,033 INFO L87 Difference]: Start difference. First operand 250 states and 285 transitions. Second operand 6 states. [2019-09-16 16:36:24,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:24,264 INFO L93 Difference]: Finished difference Result 609 states and 728 transitions. [2019-09-16 16:36:24,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:36:24,265 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-16 16:36:24,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:24,276 INFO L225 Difference]: With dead ends: 609 [2019-09-16 16:36:24,276 INFO L226 Difference]: Without dead ends: 383 [2019-09-16 16:36:24,278 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:36:24,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-09-16 16:36:24,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2019-09-16 16:36:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-09-16 16:36:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 438 transitions. [2019-09-16 16:36:24,322 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 438 transitions. Word has length 89 [2019-09-16 16:36:24,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:24,323 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 438 transitions. [2019-09-16 16:36:24,323 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:36:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 438 transitions. [2019-09-16 16:36:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-16 16:36:24,326 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:24,326 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:24,326 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:24,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:24,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1062079729, now seen corresponding path program 1 times [2019-09-16 16:36:24,327 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:24,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:24,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:24,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:24,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:24,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:24,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:24,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:36:24,495 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:36:24,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:36:24,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:36:24,496 INFO L87 Difference]: Start difference. First operand 379 states and 438 transitions. Second operand 6 states. [2019-09-16 16:36:24,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:24,763 INFO L93 Difference]: Finished difference Result 826 states and 991 transitions. [2019-09-16 16:36:24,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:36:24,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-09-16 16:36:24,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:24,768 INFO L225 Difference]: With dead ends: 826 [2019-09-16 16:36:24,769 INFO L226 Difference]: Without dead ends: 600 [2019-09-16 16:36:24,770 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:36:24,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-09-16 16:36:24,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 582. [2019-09-16 16:36:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-09-16 16:36:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 688 transitions. [2019-09-16 16:36:24,810 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 688 transitions. Word has length 93 [2019-09-16 16:36:24,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:24,811 INFO L475 AbstractCegarLoop]: Abstraction has 582 states and 688 transitions. [2019-09-16 16:36:24,811 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:36:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 688 transitions. [2019-09-16 16:36:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-16 16:36:24,813 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:24,813 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:24,814 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:24,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:24,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1297227280, now seen corresponding path program 1 times [2019-09-16 16:36:24,814 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:24,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:24,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:24,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:24,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:24,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:24,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:36:24,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:36:24,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:36:24,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:36:24,887 INFO L87 Difference]: Start difference. First operand 582 states and 688 transitions. Second operand 5 states. [2019-09-16 16:36:24,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:24,926 INFO L93 Difference]: Finished difference Result 1021 states and 1233 transitions. [2019-09-16 16:36:24,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:36:24,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2019-09-16 16:36:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:24,933 INFO L225 Difference]: With dead ends: 1021 [2019-09-16 16:36:24,933 INFO L226 Difference]: Without dead ends: 592 [2019-09-16 16:36:24,935 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:36:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-09-16 16:36:24,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2019-09-16 16:36:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-09-16 16:36:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 691 transitions. [2019-09-16 16:36:24,974 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 691 transitions. Word has length 93 [2019-09-16 16:36:24,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:24,974 INFO L475 AbstractCegarLoop]: Abstraction has 586 states and 691 transitions. [2019-09-16 16:36:24,975 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:36:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 691 transitions. [2019-09-16 16:36:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-16 16:36:24,978 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:24,978 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:24,978 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:24,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1956758802, now seen corresponding path program 1 times [2019-09-16 16:36:24,979 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:24,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:25,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:25,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:25,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:25,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:25,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:36:25,088 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:36:25,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:36:25,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:36:25,089 INFO L87 Difference]: Start difference. First operand 586 states and 691 transitions. Second operand 9 states. [2019-09-16 16:36:25,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:25,153 INFO L93 Difference]: Finished difference Result 1165 states and 1404 transitions. [2019-09-16 16:36:25,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:36:25,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2019-09-16 16:36:25,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:25,158 INFO L225 Difference]: With dead ends: 1165 [2019-09-16 16:36:25,158 INFO L226 Difference]: Without dead ends: 603 [2019-09-16 16:36:25,160 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:36:25,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2019-09-16 16:36:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 593. [2019-09-16 16:36:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-09-16 16:36:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 698 transitions. [2019-09-16 16:36:25,192 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 698 transitions. Word has length 93 [2019-09-16 16:36:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:25,192 INFO L475 AbstractCegarLoop]: Abstraction has 593 states and 698 transitions. [2019-09-16 16:36:25,193 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:36:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 698 transitions. [2019-09-16 16:36:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-16 16:36:25,195 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:25,195 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:25,195 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:25,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:25,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2046113513, now seen corresponding path program 1 times [2019-09-16 16:36:25,196 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:25,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:25,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:25,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:25,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:36:25,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:36:25,298 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:36:25,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:25,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 29 conjunts are in the unsatisfiable core [2019-09-16 16:36:25,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:36:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:36:25,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:36:25,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2019-09-16 16:36:25,680 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-16 16:36:25,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-16 16:36:25,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:36:25,682 INFO L87 Difference]: Start difference. First operand 593 states and 698 transitions. Second operand 14 states. [2019-09-16 16:36:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:27,012 INFO L93 Difference]: Finished difference Result 1608 states and 1961 transitions. [2019-09-16 16:36:27,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-16 16:36:27,013 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 105 [2019-09-16 16:36:27,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:27,019 INFO L225 Difference]: With dead ends: 1608 [2019-09-16 16:36:27,019 INFO L226 Difference]: Without dead ends: 1039 [2019-09-16 16:36:27,022 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:36:27,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2019-09-16 16:36:27,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1036. [2019-09-16 16:36:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2019-09-16 16:36:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1211 transitions. [2019-09-16 16:36:27,094 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1211 transitions. Word has length 105 [2019-09-16 16:36:27,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:27,096 INFO L475 AbstractCegarLoop]: Abstraction has 1036 states and 1211 transitions. [2019-09-16 16:36:27,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-16 16:36:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1211 transitions. [2019-09-16 16:36:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-16 16:36:27,099 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:27,099 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:27,099 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:27,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:27,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1643042107, now seen corresponding path program 1 times [2019-09-16 16:36:27,100 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:27,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:27,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:27,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:27,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:36:27,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:27,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 16:36:27,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 16:36:27,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 16:36:27,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:36:27,236 INFO L87 Difference]: Start difference. First operand 1036 states and 1211 transitions. Second operand 10 states. [2019-09-16 16:36:27,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:27,495 INFO L93 Difference]: Finished difference Result 2022 states and 2394 transitions. [2019-09-16 16:36:27,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-16 16:36:27,495 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2019-09-16 16:36:27,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:27,501 INFO L225 Difference]: With dead ends: 2022 [2019-09-16 16:36:27,502 INFO L226 Difference]: Without dead ends: 1010 [2019-09-16 16:36:27,506 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:36:27,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2019-09-16 16:36:27,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 994. [2019-09-16 16:36:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2019-09-16 16:36:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1160 transitions. [2019-09-16 16:36:27,591 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1160 transitions. Word has length 109 [2019-09-16 16:36:27,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:27,592 INFO L475 AbstractCegarLoop]: Abstraction has 994 states and 1160 transitions. [2019-09-16 16:36:27,592 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 16:36:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1160 transitions. [2019-09-16 16:36:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-16 16:36:27,595 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:27,595 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:27,596 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:27,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:27,596 INFO L82 PathProgramCache]: Analyzing trace with hash 47600249, now seen corresponding path program 1 times [2019-09-16 16:36:27,596 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:27,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:27,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:27,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:27,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:36:27,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:36:27,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 16:36:27,747 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 16:36:27,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 16:36:27,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:36:27,749 INFO L87 Difference]: Start difference. First operand 994 states and 1160 transitions. Second operand 10 states. [2019-09-16 16:36:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:28,106 INFO L93 Difference]: Finished difference Result 1970 states and 2302 transitions. [2019-09-16 16:36:28,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-16 16:36:28,106 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2019-09-16 16:36:28,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:28,113 INFO L225 Difference]: With dead ends: 1970 [2019-09-16 16:36:28,114 INFO L226 Difference]: Without dead ends: 1000 [2019-09-16 16:36:28,117 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:36:28,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2019-09-16 16:36:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 964. [2019-09-16 16:36:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2019-09-16 16:36:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1094 transitions. [2019-09-16 16:36:28,175 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1094 transitions. Word has length 109 [2019-09-16 16:36:28,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:28,177 INFO L475 AbstractCegarLoop]: Abstraction has 964 states and 1094 transitions. [2019-09-16 16:36:28,177 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 16:36:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1094 transitions. [2019-09-16 16:36:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-16 16:36:28,184 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:28,184 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:28,185 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:28,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:28,185 INFO L82 PathProgramCache]: Analyzing trace with hash 884517201, now seen corresponding path program 1 times [2019-09-16 16:36:28,185 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:28,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:28,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:28,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:28,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-16 16:36:28,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:36:28,276 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:36:28,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:28,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-16 16:36:28,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:36:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-16 16:36:28,706 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:36:28,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2019-09-16 16:36:28,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-16 16:36:28,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-16 16:36:28,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:36:28,708 INFO L87 Difference]: Start difference. First operand 964 states and 1094 transitions. Second operand 13 states. [2019-09-16 16:36:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:30,927 INFO L93 Difference]: Finished difference Result 2539 states and 3097 transitions. [2019-09-16 16:36:30,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-16 16:36:30,928 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 152 [2019-09-16 16:36:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:30,944 INFO L225 Difference]: With dead ends: 2539 [2019-09-16 16:36:30,944 INFO L226 Difference]: Without dead ends: 1599 [2019-09-16 16:36:30,950 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2019-09-16 16:36:30,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2019-09-16 16:36:31,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1376. [2019-09-16 16:36:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2019-09-16 16:36:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1548 transitions. [2019-09-16 16:36:31,075 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1548 transitions. Word has length 152 [2019-09-16 16:36:31,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:31,075 INFO L475 AbstractCegarLoop]: Abstraction has 1376 states and 1548 transitions. [2019-09-16 16:36:31,076 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-16 16:36:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1548 transitions. [2019-09-16 16:36:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-09-16 16:36:31,083 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:36:31,084 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:36:31,084 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:36:31,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:36:31,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1735195592, now seen corresponding path program 1 times [2019-09-16 16:36:31,085 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:36:31,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:36:31,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:31,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:31,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:36:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-16 16:36:31,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:36:31,272 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:36:31,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:36:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:36:31,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-16 16:36:31,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:36:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-09-16 16:36:31,791 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:36:31,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2019-09-16 16:36:31,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-16 16:36:31,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-16 16:36:31,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-09-16 16:36:31,796 INFO L87 Difference]: Start difference. First operand 1376 states and 1548 transitions. Second operand 15 states. [2019-09-16 16:36:35,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:36:35,531 INFO L93 Difference]: Finished difference Result 3377 states and 4336 transitions. [2019-09-16 16:36:35,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-09-16 16:36:35,533 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 156 [2019-09-16 16:36:35,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:36:35,534 INFO L225 Difference]: With dead ends: 3377 [2019-09-16 16:36:35,535 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:36:35,545 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2019-09-16 16:36:35,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:36:35,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:36:35,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:36:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:36:35,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2019-09-16 16:36:35,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:36:35,547 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:36:35,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-16 16:36:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:36:35,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:36:35,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:36:36,610 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 55 [2019-09-16 16:36:37,464 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2019-09-16 16:36:37,684 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 29 [2019-09-16 16:36:38,223 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2019-09-16 16:36:38,420 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-09-16 16:36:38,651 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2019-09-16 16:36:39,867 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 110 DAG size of output: 50 [2019-09-16 16:36:40,156 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-09-16 16:36:40,466 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-09-16 16:36:41,207 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 50 [2019-09-16 16:36:41,498 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2019-09-16 16:36:41,730 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2019-09-16 16:36:41,993 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:42,164 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-09-16 16:36:42,433 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2019-09-16 16:36:42,606 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:42,888 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 29 [2019-09-16 16:36:43,072 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:43,309 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 29 [2019-09-16 16:36:43,540 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2019-09-16 16:36:43,885 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 43 [2019-09-16 16:36:44,076 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:44,841 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 52 [2019-09-16 16:36:44,999 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2019-09-16 16:36:45,167 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-09-16 16:36:45,500 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:45,706 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:45,961 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-09-16 16:36:46,201 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:46,520 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-09-16 16:36:46,523 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 727) no Hoare annotation was computed. [2019-09-16 16:36:46,523 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 692 747) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point L723-1(lines 723 727) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point L717-2(lines 717 738) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 692 747) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point L739(lines 716 740) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 692 747) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point L800(lines 773 801) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2019-09-16 16:36:46,524 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 748 807) no Hoare annotation was computed. [2019-09-16 16:36:46,525 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 748 807) no Hoare annotation was computed. [2019-09-16 16:36:46,525 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-09-16 16:36:46,525 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 780 784) no Hoare annotation was computed. [2019-09-16 16:36:46,525 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 748 807) no Hoare annotation was computed. [2019-09-16 16:36:46,525 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-09-16 16:36:46,525 INFO L443 ceAbstractionStarter]: For program point L774-2(lines 774 799) no Hoare annotation was computed. [2019-09-16 16:36:46,526 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2019-09-16 16:36:46,526 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2019-09-16 16:36:46,526 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2019-09-16 16:36:46,526 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2019-09-16 16:36:46,526 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 630 638) no Hoare annotation was computed. [2019-09-16 16:36:46,526 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 547 569) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,526 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 547 569) no Hoare annotation was computed. [2019-09-16 16:36:46,527 INFO L439 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,527 INFO L439 ceAbstractionStarter]: At program point L559-1(line 559) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,527 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 564) no Hoare annotation was computed. [2019-09-16 16:36:46,527 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 547 569) no Hoare annotation was computed. [2019-09-16 16:36:46,527 INFO L443 ceAbstractionStarter]: For program point L557-1(lines 557 564) no Hoare annotation was computed. [2019-09-16 16:36:46,527 INFO L443 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L439 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,528 INFO L439 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,528 INFO L439 ceAbstractionStarter]: At program point L553-1(line 553) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point L513(line 513) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 503 526) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point L510(line 510) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 503 526) no Hoare annotation was computed. [2019-09-16 16:36:46,528 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 503 526) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L519(line 519) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L516(line 516) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-09-16 16:36:46,529 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2019-09-16 16:36:46,529 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2019-09-16 16:36:46,530 INFO L439 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2019-09-16 16:36:46,530 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-09-16 16:36:46,530 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-09-16 16:36:46,530 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 180 204) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 1))) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse6 .cse8 .cse7 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,530 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 180 204) no Hoare annotation was computed. [2019-09-16 16:36:46,530 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,530 INFO L443 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2019-09-16 16:36:46,531 INFO L439 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2019-09-16 16:36:46,531 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 275 283) no Hoare annotation was computed. [2019-09-16 16:36:46,531 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 275 283) the Hoare annotation is: true [2019-09-16 16:36:46,531 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 275 283) no Hoare annotation was computed. [2019-09-16 16:36:46,531 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-09-16 16:36:46,531 INFO L446 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2019-09-16 16:36:46,531 INFO L443 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2019-09-16 16:36:46,531 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point L291-2(lines 291 299) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point L314-1(line 314) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 311) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 284 319) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 284 319) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 299) no Hoare annotation was computed. [2019-09-16 16:36:46,532 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 284 319) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 646 691) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 646 691) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 646 691) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 959 1004) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point L979(lines 979 986) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point L973(lines 973 993) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point L973-1(lines 973 993) no Hoare annotation was computed. [2019-09-16 16:36:46,533 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 959 1004) no Hoare annotation was computed. [2019-09-16 16:36:46,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 959 1004) no Hoare annotation was computed. [2019-09-16 16:36:46,534 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 534 543) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,534 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 534 543) no Hoare annotation was computed. [2019-09-16 16:36:46,534 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 534 543) no Hoare annotation was computed. [2019-09-16 16:36:46,534 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 264 274) the Hoare annotation is: true [2019-09-16 16:36:46,534 INFO L446 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2019-09-16 16:36:46,534 INFO L443 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2019-09-16 16:36:46,534 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 264 274) no Hoare annotation was computed. [2019-09-16 16:36:46,534 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 264 274) no Hoare annotation was computed. [2019-09-16 16:36:46,534 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 256 263) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:36:46,535 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 256 263) no Hoare annotation was computed. [2019-09-16 16:36:46,535 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 256 263) no Hoare annotation was computed. [2019-09-16 16:36:46,535 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 449) no Hoare annotation was computed. [2019-09-16 16:36:46,535 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 439 452) no Hoare annotation was computed. [2019-09-16 16:36:46,535 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 439 452) the Hoare annotation is: true [2019-09-16 16:36:46,535 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 439 452) no Hoare annotation was computed. [2019-09-16 16:36:46,535 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,535 INFO L443 ceAbstractionStarter]: For program point L225-1(lines 206 230) no Hoare annotation was computed. [2019-09-16 16:36:46,535 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2019-09-16 16:36:46,536 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2019-09-16 16:36:46,536 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 206 230) no Hoare annotation was computed. [2019-09-16 16:36:46,536 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 222) no Hoare annotation was computed. [2019-09-16 16:36:46,536 INFO L439 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2019-09-16 16:36:46,536 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 206 230) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 1))) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse6 .cse8 .cse7 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,537 INFO L443 ceAbstractionStarter]: For program point L212-1(line 212) no Hoare annotation was computed. [2019-09-16 16:36:46,537 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 227) no Hoare annotation was computed. [2019-09-16 16:36:46,537 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2019-09-16 16:36:46,537 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2019-09-16 16:36:46,537 INFO L439 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse5) (and .cse1 .cse2 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:36:46,537 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2019-09-16 16:36:46,537 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,537 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2019-09-16 16:36:46,538 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-09-16 16:36:46,538 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2019-09-16 16:36:46,538 INFO L439 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:36:46,538 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-09-16 16:36:46,538 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse4) (and .cse1 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:36:46,538 INFO L443 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2019-09-16 16:36:46,538 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2019-09-16 16:36:46,538 INFO L439 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse4) (and .cse1 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:36:46,538 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-09-16 16:36:46,538 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse5) (and .cse1 .cse2 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 947) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 927 947) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 913 958) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 913 958) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 913 958) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 940) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 231 238) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 231 238) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 231 238) no Hoare annotation was computed. [2019-09-16 16:36:46,539 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 453 461) no Hoare annotation was computed. [2019-09-16 16:36:46,540 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 453 461) the Hoare annotation is: true [2019-09-16 16:36:46,540 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 453 461) no Hoare annotation was computed. [2019-09-16 16:36:46,540 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 423) no Hoare annotation was computed. [2019-09-16 16:36:46,540 INFO L443 ceAbstractionStarter]: For program point L415-2(lines 415 423) no Hoare annotation was computed. [2019-09-16 16:36:46,540 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 407 429) no Hoare annotation was computed. [2019-09-16 16:36:46,540 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 407 429) no Hoare annotation was computed. [2019-09-16 16:36:46,540 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 407 429) no Hoare annotation was computed. [2019-09-16 16:36:46,540 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 606 615) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 606 615) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 606 615) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 810 912) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point L859-2(lines 859 879) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point L880(lines 858 881) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 855) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 810 912) no Hoare annotation was computed. [2019-09-16 16:36:46,541 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L860(lines 859 879) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 897) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 810 912) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L875(line 875) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L875-1(line 875) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 838) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 909) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:36:46,542 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-09-16 16:36:46,543 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:36:46,543 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 239 255) no Hoare annotation was computed. [2019-09-16 16:36:46,543 INFO L439 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:36:46,543 INFO L443 ceAbstractionStarter]: For program point L250-1(lines 239 255) no Hoare annotation was computed. [2019-09-16 16:36:46,543 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 239 255) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,543 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 252) no Hoare annotation was computed. [2019-09-16 16:36:46,543 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,543 INFO L443 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2019-09-16 16:36:46,543 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 320 338) no Hoare annotation was computed. [2019-09-16 16:36:46,543 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 333) no Hoare annotation was computed. [2019-09-16 16:36:46,543 INFO L446 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: true [2019-09-16 16:36:46,544 INFO L443 ceAbstractionStarter]: For program point L329-2(lines 329 333) no Hoare annotation was computed. [2019-09-16 16:36:46,544 INFO L443 ceAbstractionStarter]: For program point L327-1(line 327) no Hoare annotation was computed. [2019-09-16 16:36:46,544 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 320 338) the Hoare annotation is: true [2019-09-16 16:36:46,544 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 320 338) no Hoare annotation was computed. [2019-09-16 16:36:46,544 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 430 438) the Hoare annotation is: true [2019-09-16 16:36:46,544 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 430 438) no Hoare annotation was computed. [2019-09-16 16:36:46,544 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 430 438) no Hoare annotation was computed. [2019-09-16 16:36:46,544 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 386 397) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse4 .cse3 .cse2) (or .cse6 .cse5 .cse3 .cse2 .cse7) (or .cse3 .cse6 (or .cse1 .cse2) .cse7))) [2019-09-16 16:36:46,544 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 386 397) no Hoare annotation was computed. [2019-09-16 16:36:46,545 INFO L443 ceAbstractionStarter]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2019-09-16 16:36:46,545 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:36:46,545 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:36:46,545 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:36:46,545 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse6 .cse7)) (.cse0 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1))) (.cse9 (or .cse10 .cse6 .cse7)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse2 .cse3) (or .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse9 .cse1 .cse0) (or .cse10 .cse11 .cse1 .cse7) (or (not (<= |old(~waterLevel~0)| 0)) .cse9 .cse4) (or .cse10 .cse5 .cse6 .cse7 .cse8) (or .cse11 .cse1 .cse7 .cse3)))) [2019-09-16 16:36:46,545 INFO L443 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2019-09-16 16:36:46,545 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse15 (<= ~waterLevel~0 2)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (or .cse11 .cse3)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and .cse15 (= ~pumpRunning~0 0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and .cse15 (= ~pumpRunning~0 1))) (.cse12 (not (<= |old(~waterLevel~0)| 0))) (.cse14 (or .cse0 .cse11 .cse3)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6) (or .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse2 .cse3 .cse4 .cse10) (or .cse2 .cse3 .cse5 .cse6 .cse10) (or .cse11 .cse3 .cse6 .cse10 .cse5) (or .cse12 .cse4 .cse9 .cse10) (or .cse13 .cse2 .cse7 .cse3 .cse10) (or .cse0 .cse2 .cse13 .cse7 .cse3) (or .cse14 .cse7 .cse8) (or .cse12 .cse14 .cse4) (or .cse5 .cse0 .cse11 .cse3 .cse6)))) [2019-09-16 16:36:46,545 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2019-09-16 16:36:46,545 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (<= ~waterLevel~0 0)) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 1)) (.cse10 (or .cse7 .cse4 .cse5)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 (or .cse4 .cse5) .cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (or (or .cse7 .cse8 .cse9 .cse5) .cse0) (or .cse8 .cse10 (and .cse0 .cse2)) (or .cse7 .cse9 .cse11 .cse5 .cse12) (or .cse8 .cse9 .cse5 .cse0 .cse6) (or .cse9 .cse5 .cse11 .cse12 .cse6) (or .cse13 .cse9 .cse3 .cse5 .cse6) (or (and (<= ~waterLevel~0 1) .cse1) .cse10 .cse3) (or .cse7 .cse9 .cse13 .cse3 .cse5)))) [2019-09-16 16:36:46,546 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2019-09-16 16:36:46,546 INFO L439 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 1)) (.cse16 (<= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse17 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (and .cse10 (<= ~waterLevel~0 0))) (.cse6 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (or .cse4 .cse17 .cse7)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (and .cse16 .cse11)) (.cse1 (or .cse17 .cse7)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse13 (and .cse16 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse2) (or .cse4 .cse5 (and .cse10 .cse11) .cse12 .cse7) (or .cse5 .cse7 .cse6 .cse8 .cse3) (or (or .cse0 .cse5 .cse7) .cse3 .cse10) (or .cse13 .cse14 .cse9 .cse12) (or (and (<= ~waterLevel~0 2) .cse15) .cse5 .cse12 .cse7 .cse3 .cse14) (or .cse12 .cse14 .cse1 .cse3 .cse13)))) [2019-09-16 16:36:46,546 INFO L446 ceAbstractionStarter]: At program point L483-2(lines 483 497) the Hoare annotation is: true [2019-09-16 16:36:46,546 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 473 502) no Hoare annotation was computed. [2019-09-16 16:36:46,546 INFO L446 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: true [2019-09-16 16:36:46,546 INFO L443 ceAbstractionStarter]: For program point L479-1(line 479) no Hoare annotation was computed. [2019-09-16 16:36:46,546 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 473 502) the Hoare annotation is: true [2019-09-16 16:36:46,546 INFO L446 ceAbstractionStarter]: At program point L498(lines 473 502) the Hoare annotation is: true [2019-09-16 16:36:46,546 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-09-16 16:36:46,546 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 491) no Hoare annotation was computed. [2019-09-16 16:36:46,547 INFO L446 ceAbstractionStarter]: At program point L487-1(lines 487 491) the Hoare annotation is: true [2019-09-16 16:36:46,547 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-09-16 16:36:46,547 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 398 406) the Hoare annotation is: true [2019-09-16 16:36:46,547 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 398 406) no Hoare annotation was computed. [2019-09-16 16:36:46,547 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 398 406) no Hoare annotation was computed. [2019-09-16 16:36:46,547 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-09-16 16:36:46,547 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 571 603) no Hoare annotation was computed. [2019-09-16 16:36:46,547 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 571 603) the Hoare annotation is: true [2019-09-16 16:36:46,548 INFO L439 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse1 .cse4 .cse3 .cse6) (or .cse5 .cse2 .cse3 .cse6))) [2019-09-16 16:36:46,548 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 596) no Hoare annotation was computed. [2019-09-16 16:36:46,548 INFO L439 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~8) .cse5 .cse2 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse4 .cse3 .cse6))) [2019-09-16 16:36:46,548 INFO L443 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2019-09-16 16:36:46,548 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 599) no Hoare annotation was computed. [2019-09-16 16:36:46,548 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 571 603) no Hoare annotation was computed. [2019-09-16 16:36:46,548 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~8)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse6 .cse5 .cse2 .cse3 .cse7) (or .cse1 .cse4 .cse6 .cse3 .cse7))) [2019-09-16 16:36:46,548 INFO L443 ceAbstractionStarter]: For program point L584-1(line 584) no Hoare annotation was computed. [2019-09-16 16:36:46,549 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 600) no Hoare annotation was computed. [2019-09-16 16:36:46,549 INFO L446 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: true [2019-09-16 16:36:46,549 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 362 373) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse0 .cse6 .cse4) (or .cse0 .cse7 .cse8 .cse3 .cse4) (or .cse9 .cse5 .cse3 .cse0 .cse6) (or .cse0 .cse9 .cse2 .cse3 .cse1) (or .cse0 .cse9 .cse7 .cse3 .cse8))) [2019-09-16 16:36:46,549 INFO L443 ceAbstractionStarter]: For program point L366-1(lines 362 373) no Hoare annotation was computed. [2019-09-16 16:36:46,549 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 362 373) no Hoare annotation was computed. [2019-09-16 16:36:46,549 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 527 533) no Hoare annotation was computed. [2019-09-16 16:36:46,549 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 527 533) the Hoare annotation is: true [2019-09-16 16:36:46,550 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:36:46,550 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-16 16:36:46,550 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:36:46,550 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:36:46,550 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 1))) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse6 .cse8 .cse7 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,550 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse1 .cse0 .cse2 .cse3))) [2019-09-16 16:36:46,550 INFO L443 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2019-09-16 16:36:46,551 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2019-09-16 16:36:46,551 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2019-09-16 16:36:46,551 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2019-09-16 16:36:46,551 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2019-09-16 16:36:46,551 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse8)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) .cse8 (= ~pumpRunning~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse5 .cse7 .cse4 .cse6 .cse2)))) [2019-09-16 16:36:46,551 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse9 (<= ~waterLevel~0 1))) (let ((.cse0 (not .cse9)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) .cse10)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2 .cse8) (or .cse5 .cse6 .cse2 .cse8 .cse3 .cse7)))) [2019-09-16 16:36:46,551 INFO L443 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2019-09-16 16:36:46,552 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 374 385) no Hoare annotation was computed. [2019-09-16 16:36:46,552 INFO L443 ceAbstractionStarter]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2019-09-16 16:36:46,552 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 374 385) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (or .cse8 .cse1 .cse2)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse4 .cse3) (or (not (<= |old(~waterLevel~0)| 0)) .cse7 .cse4) (or (<= ~waterLevel~0 1) .cse5 .cse7) (or .cse8 .cse6 (<= ~waterLevel~0 2) .cse0 .cse2) (or .cse4 (or .cse8 .cse5 .cse6 .cse2))))) [2019-09-16 16:36:46,552 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 463 470) no Hoare annotation was computed. [2019-09-16 16:36:46,552 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 463 470) the Hoare annotation is: true [2019-09-16 16:36:46,552 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 467) no Hoare annotation was computed. [2019-09-16 16:36:46,552 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 463 470) no Hoare annotation was computed. [2019-09-16 16:36:46,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:36:46 BoogieIcfgContainer [2019-09-16 16:36:46,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:36:46,573 INFO L168 Benchmark]: Toolchain (without parser) took 27258.89 ms. Allocated memory was 134.2 MB in the beginning and 576.7 MB in the end (delta: 442.5 MB). Free memory was 88.9 MB in the beginning and 400.7 MB in the end (delta: -311.8 MB). Peak memory consumption was 453.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:36:46,574 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:36:46,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.94 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.7 MB in the beginning and 163.8 MB in the end (delta: -75.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-16 16:36:46,576 INFO L168 Benchmark]: Boogie Preprocessor took 105.18 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:36:46,577 INFO L168 Benchmark]: RCFGBuilder took 1370.52 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 159.5 MB in the beginning and 188.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:36:46,578 INFO L168 Benchmark]: TraceAbstraction took 25039.36 ms. Allocated memory was 226.5 MB in the beginning and 576.7 MB in the end (delta: 350.2 MB). Free memory was 188.7 MB in the beginning and 400.7 MB in the end (delta: -212.0 MB). Peak memory consumption was 461.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:36:46,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.94 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 88.7 MB in the beginning and 163.8 MB in the end (delta: -75.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.18 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1370.52 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 159.5 MB in the beginning and 188.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25039.36 ms. Allocated memory was 226.5 MB in the beginning and 576.7 MB in the end (delta: 350.2 MB). Free memory was 188.7 MB in the beginning and 400.7 MB in the end (delta: -212.0 MB). Peak memory consumption was 461.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 467]: 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: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 2) && pumpRunning == 1) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || (((0 == splverifierCounter && waterLevel <= 2) && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && waterLevel <= 1) && pumpRunning == 1) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 255 locations, 1 error locations. SAFE Result, 24.9s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 9.7s AutomataDifference, 0.0s DeadEndRemovalTime, 10.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2782 SDtfs, 2637 SDslu, 10588 SDs, 0 SdLazy, 7078 SolverSat, 1346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 604 GetRequests, 457 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1376occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 334 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 3963 PreInvPairs, 4497 NumberOfFragments, 3362 HoareAnnotationTreeSize, 3963 FomulaSimplifications, 21227 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 70 FomulaSimplificationsInter, 33469 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 322015 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2541 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 168/188 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...