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_spec2_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:05:19,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:05:19,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:05:19,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:05:19,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:05:19,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:05:19,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:05:19,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:05:19,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:05:19,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:05:19,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:05:19,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:05:19,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:05:19,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:05:19,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:05:19,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:05:19,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:05:19,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:05:19,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:05:19,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:05:19,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:05:19,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:05:19,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:05:19,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:05:19,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:05:19,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:05:19,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:05:19,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:05:19,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:05:19,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:05:19,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:05:19,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:05:19,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:05:19,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:05:19,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:05:19,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:05:19,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:05:19,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:05:19,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:05:19,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:05:19,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:05:19,337 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 [2019-09-20 13:05:19,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:05:19,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:05:19,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:05:19,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:05:19,354 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:05:19,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:05:19,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:05:19,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:05:19,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:05:19,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:05:19,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:05:19,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:05:19,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:05:19,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:05:19,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:05:19,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:05:19,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:05:19,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:05:19,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:05:19,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:05:19,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:05:19,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:19,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:05:19,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:05:19,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:05:19,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:05:19,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:05:19,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:05:19,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:05:19,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:05:19,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:05:19,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:05:19,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:05:19,413 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:05:19,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-09-20 13:05:19,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbdf2f418/7a2efab5ef074aa5a5c4ecf29043d1bd/FLAG4d07f9e4a [2019-09-20 13:05:20,037 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:05:20,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-09-20 13:05:20,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbdf2f418/7a2efab5ef074aa5a5c4ecf29043d1bd/FLAG4d07f9e4a [2019-09-20 13:05:20,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbdf2f418/7a2efab5ef074aa5a5c4ecf29043d1bd [2019-09-20 13:05:20,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:05:20,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:05:20,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:20,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:05:20,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:05:20,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:20" (1/1) ... [2019-09-20 13:05:20,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acf3c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:20, skipping insertion in model container [2019-09-20 13:05:20,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:20" (1/1) ... [2019-09-20 13:05:20,368 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:05:20,425 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:05:20,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:20,940 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:05:21,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:21,109 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:05:21,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21 WrapperNode [2019-09-20 13:05:21,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:21,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:05:21,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:05:21,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:05:21,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (1/1) ... [2019-09-20 13:05:21,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (1/1) ... [2019-09-20 13:05:21,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (1/1) ... [2019-09-20 13:05:21,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (1/1) ... [2019-09-20 13:05:21,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (1/1) ... [2019-09-20 13:05:21,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (1/1) ... [2019-09-20 13:05:21,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (1/1) ... [2019-09-20 13:05:21,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:05:21,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:05:21,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:05:21,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:05:21,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (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 [2019-09-20 13:05:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:05:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:05:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:05:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:05:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:05:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:05:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:05:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:05:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:05:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:05:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:05:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:05:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:05:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:05:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:05:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:05:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:05:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:05:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:05:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:05:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:05:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:05:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:05:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:05:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:05:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:05:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:05:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:05:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:05:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:05:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:05:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:05:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:05:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:05:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:05:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:05:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:05:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:05:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:05:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:05:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:05:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:05:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:05:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:05:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:05:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:05:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:05:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:05:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:05:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:05:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:05:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:05:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:05:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:05:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:05:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:05:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:05:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:05:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:05:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:05:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:05:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:05:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:05:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:05:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:05:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:05:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:05:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:05:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:05:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:05:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:05:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:05:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:05:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:05:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:05:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:05:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:05:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:05:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:05:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:05:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:22,414 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:22,415 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:22,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:22 BoogieIcfgContainer [2019-09-20 13:05:22,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:22,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:22,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:22,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:22,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:05:20" (1/3) ... [2019-09-20 13:05:22,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e1f77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:22, skipping insertion in model container [2019-09-20 13:05:22,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:21" (2/3) ... [2019-09-20 13:05:22,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e1f77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:22, skipping insertion in model container [2019-09-20 13:05:22,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:22" (3/3) ... [2019-09-20 13:05:22,425 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-09-20 13:05:22,436 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:22,445 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:22,463 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:22,500 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:22,500 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:22,501 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:22,501 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:22,501 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:22,501 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:22,502 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:22,502 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:22,502 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2019-09-20 13:05:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:05:22,541 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:22,542 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] [2019-09-20 13:05:22,545 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:22,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:22,551 INFO L82 PathProgramCache]: Analyzing trace with hash -2111020078, now seen corresponding path program 1 times [2019-09-20 13:05:22,553 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:22,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:22,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:22,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:22,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:22,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:22,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:22,929 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:22,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:22,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:22,946 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 2 states. [2019-09-20 13:05:22,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:22,993 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2019-09-20 13:05:22,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:22,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:05:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:23,008 INFO L225 Difference]: With dead ends: 286 [2019-09-20 13:05:23,009 INFO L226 Difference]: Without dead ends: 145 [2019-09-20 13:05:23,013 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 [2019-09-20 13:05:23,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-09-20 13:05:23,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-09-20 13:05:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-09-20 13:05:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2019-09-20 13:05:23,073 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2019-09-20 13:05:23,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:23,074 INFO L475 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2019-09-20 13:05:23,074 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2019-09-20 13:05:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:23,078 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:23,078 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] [2019-09-20 13:05:23,079 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:23,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:23,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1832052429, now seen corresponding path program 1 times [2019-09-20 13:05:23,079 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:23,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:23,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:23,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:23,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:23,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:23,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:23,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:23,238 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:23,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:23,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:23,239 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2019-09-20 13:05:23,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:23,276 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2019-09-20 13:05:23,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:23,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:05:23,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:23,282 INFO L225 Difference]: With dead ends: 235 [2019-09-20 13:05:23,283 INFO L226 Difference]: Without dead ends: 136 [2019-09-20 13:05:23,286 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 [2019-09-20 13:05:23,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-20 13:05:23,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-09-20 13:05:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-20 13:05:23,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2019-09-20 13:05:23,307 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2019-09-20 13:05:23,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:23,308 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2019-09-20 13:05:23,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:23,308 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2019-09-20 13:05:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:05:23,311 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:23,311 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] [2019-09-20 13:05:23,311 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:23,312 INFO L82 PathProgramCache]: Analyzing trace with hash -761941703, now seen corresponding path program 1 times [2019-09-20 13:05:23,312 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:23,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:23,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:23,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:23,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:23,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:23,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:23,524 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:23,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:23,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:23,526 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2019-09-20 13:05:23,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:23,868 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2019-09-20 13:05:23,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:23,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-20 13:05:23,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:23,873 INFO L225 Difference]: With dead ends: 244 [2019-09-20 13:05:23,873 INFO L226 Difference]: Without dead ends: 136 [2019-09-20 13:05:23,878 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 [2019-09-20 13:05:23,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-20 13:05:23,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-09-20 13:05:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-20 13:05:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2019-09-20 13:05:23,910 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2019-09-20 13:05:23,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:23,911 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2019-09-20 13:05:23,911 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2019-09-20 13:05:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-20 13:05:23,916 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:23,917 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] [2019-09-20 13:05:23,917 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:23,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:23,922 INFO L82 PathProgramCache]: Analyzing trace with hash -505794736, now seen corresponding path program 1 times [2019-09-20 13:05:23,923 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:23,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:23,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:23,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:23,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:24,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:24,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:24,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:24,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:24,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:24,071 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2019-09-20 13:05:24,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:24,661 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2019-09-20 13:05:24,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:24,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-20 13:05:24,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:24,669 INFO L225 Difference]: With dead ends: 342 [2019-09-20 13:05:24,669 INFO L226 Difference]: Without dead ends: 234 [2019-09-20 13:05:24,671 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:24,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2019-09-20 13:05:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2019-09-20 13:05:24,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-09-20 13:05:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2019-09-20 13:05:24,719 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2019-09-20 13:05:24,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:24,720 INFO L475 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2019-09-20 13:05:24,720 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2019-09-20 13:05:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:05:24,733 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:24,733 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] [2019-09-20 13:05:24,733 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:24,734 INFO L82 PathProgramCache]: Analyzing trace with hash -210026842, now seen corresponding path program 1 times [2019-09-20 13:05:24,734 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:24,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:24,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:24,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:24,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:24,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:24,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:24,907 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:24,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:24,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:24,909 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 6 states. [2019-09-20 13:05:25,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:25,144 INFO L93 Difference]: Finished difference Result 574 states and 680 transitions. [2019-09-20 13:05:25,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:25,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-20 13:05:25,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:25,149 INFO L225 Difference]: With dead ends: 574 [2019-09-20 13:05:25,149 INFO L226 Difference]: Without dead ends: 386 [2019-09-20 13:05:25,151 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:25,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-09-20 13:05:25,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 380. [2019-09-20 13:05:25,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-09-20 13:05:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 436 transitions. [2019-09-20 13:05:25,185 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 436 transitions. Word has length 83 [2019-09-20 13:05:25,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:25,185 INFO L475 AbstractCegarLoop]: Abstraction has 380 states and 436 transitions. [2019-09-20 13:05:25,186 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 436 transitions. [2019-09-20 13:05:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-20 13:05:25,188 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:25,188 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] [2019-09-20 13:05:25,188 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:25,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:25,189 INFO L82 PathProgramCache]: Analyzing trace with hash -910798134, now seen corresponding path program 1 times [2019-09-20 13:05:25,189 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:25,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:25,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:25,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:25,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:25,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:25,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:25,343 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:25,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:25,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:25,344 INFO L87 Difference]: Start difference. First operand 380 states and 436 transitions. Second operand 7 states. [2019-09-20 13:05:25,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:25,968 INFO L93 Difference]: Finished difference Result 761 states and 896 transitions. [2019-09-20 13:05:25,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:05:25,968 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-09-20 13:05:25,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:25,971 INFO L225 Difference]: With dead ends: 761 [2019-09-20 13:05:25,971 INFO L226 Difference]: Without dead ends: 409 [2019-09-20 13:05:25,973 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:25,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-09-20 13:05:25,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 379. [2019-09-20 13:05:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-09-20 13:05:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2019-09-20 13:05:26,001 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 87 [2019-09-20 13:05:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:26,002 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2019-09-20 13:05:26,002 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2019-09-20 13:05:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:05:26,004 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:26,004 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] [2019-09-20 13:05:26,005 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:26,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:26,005 INFO L82 PathProgramCache]: Analyzing trace with hash -777270984, now seen corresponding path program 1 times [2019-09-20 13:05:26,005 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:26,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:26,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:26,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:05:26,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:26,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:26,078 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:26,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:26,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:26,078 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 6 states. [2019-09-20 13:05:26,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:26,124 INFO L93 Difference]: Finished difference Result 744 states and 870 transitions. [2019-09-20 13:05:26,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:26,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-09-20 13:05:26,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:26,127 INFO L225 Difference]: With dead ends: 744 [2019-09-20 13:05:26,127 INFO L226 Difference]: Without dead ends: 393 [2019-09-20 13:05:26,129 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:26,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-09-20 13:05:26,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-09-20 13:05:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-09-20 13:05:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 443 transitions. [2019-09-20 13:05:26,154 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 443 transitions. Word has length 103 [2019-09-20 13:05:26,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:26,155 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 443 transitions. [2019-09-20 13:05:26,155 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 443 transitions. [2019-09-20 13:05:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:05:26,157 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:26,157 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] [2019-09-20 13:05:26,157 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:26,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:26,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1151001718, now seen corresponding path program 1 times [2019-09-20 13:05:26,158 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:26,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:26,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:26,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:05:26,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:26,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:05:26,267 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:26,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:26,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:26,268 INFO L87 Difference]: Start difference. First operand 389 states and 443 transitions. Second operand 8 states. [2019-09-20 13:05:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:26,322 INFO L93 Difference]: Finished difference Result 764 states and 892 transitions. [2019-09-20 13:05:26,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:26,322 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-20 13:05:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:26,329 INFO L225 Difference]: With dead ends: 764 [2019-09-20 13:05:26,329 INFO L226 Difference]: Without dead ends: 403 [2019-09-20 13:05:26,330 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:26,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-20 13:05:26,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-09-20 13:05:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-09-20 13:05:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 451 transitions. [2019-09-20 13:05:26,356 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 451 transitions. Word has length 103 [2019-09-20 13:05:26,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:26,356 INFO L475 AbstractCegarLoop]: Abstraction has 397 states and 451 transitions. [2019-09-20 13:05:26,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 451 transitions. [2019-09-20 13:05:26,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:05:26,359 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:26,359 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] [2019-09-20 13:05:26,359 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:26,360 INFO L82 PathProgramCache]: Analyzing trace with hash 910461589, now seen corresponding path program 1 times [2019-09-20 13:05:26,360 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:26,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:26,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:26,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:05:26,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:26,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:05:26,452 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:05:26,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:05:26,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:26,453 INFO L87 Difference]: Start difference. First operand 397 states and 451 transitions. Second operand 4 states. [2019-09-20 13:05:26,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:26,696 INFO L93 Difference]: Finished difference Result 1162 states and 1390 transitions. [2019-09-20 13:05:26,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:05:26,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-09-20 13:05:26,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:26,702 INFO L225 Difference]: With dead ends: 1162 [2019-09-20 13:05:26,702 INFO L226 Difference]: Without dead ends: 793 [2019-09-20 13:05:26,703 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-09-20 13:05:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 778. [2019-09-20 13:05:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2019-09-20 13:05:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 911 transitions. [2019-09-20 13:05:26,750 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 911 transitions. Word has length 103 [2019-09-20 13:05:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:26,751 INFO L475 AbstractCegarLoop]: Abstraction has 778 states and 911 transitions. [2019-09-20 13:05:26,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:05:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 911 transitions. [2019-09-20 13:05:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-20 13:05:26,753 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:26,753 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] [2019-09-20 13:05:26,754 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:26,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:26,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1450576315, now seen corresponding path program 1 times [2019-09-20 13:05:26,754 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:26,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:26,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:26,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:05:26,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:26,889 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 [2019-09-20 13:05:26,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:27,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:05:27,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:05:27,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:27,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:05:27,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:05:27,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:05:27,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:05:27,399 INFO L87 Difference]: Start difference. First operand 778 states and 911 transitions. Second operand 19 states. [2019-09-20 13:05:28,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:28,752 INFO L93 Difference]: Finished difference Result 1497 states and 1773 transitions. [2019-09-20 13:05:28,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:05:28,753 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2019-09-20 13:05:28,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:28,757 INFO L225 Difference]: With dead ends: 1497 [2019-09-20 13:05:28,758 INFO L226 Difference]: Without dead ends: 747 [2019-09-20 13:05:28,761 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:05:28,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-20 13:05:28,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-20 13:05:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-20 13:05:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 860 transitions. [2019-09-20 13:05:28,804 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 860 transitions. Word has length 107 [2019-09-20 13:05:28,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:28,805 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 860 transitions. [2019-09-20 13:05:28,805 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:05:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 860 transitions. [2019-09-20 13:05:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-20 13:05:28,809 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:28,809 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:28,811 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:28,811 INFO L82 PathProgramCache]: Analyzing trace with hash 675241674, now seen corresponding path program 1 times [2019-09-20 13:05:28,811 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:28,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:28,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:28,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:28,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:05:28,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:28,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:28,945 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:28,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:28,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:28,947 INFO L87 Difference]: Start difference. First operand 747 states and 860 transitions. Second operand 3 states. [2019-09-20 13:05:29,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:29,015 INFO L93 Difference]: Finished difference Result 1212 states and 1426 transitions. [2019-09-20 13:05:29,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:29,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-09-20 13:05:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:29,051 INFO L225 Difference]: With dead ends: 1212 [2019-09-20 13:05:29,051 INFO L226 Difference]: Without dead ends: 1209 [2019-09-20 13:05:29,052 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:29,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2019-09-20 13:05:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 885. [2019-09-20 13:05:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2019-09-20 13:05:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1039 transitions. [2019-09-20 13:05:29,111 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1039 transitions. Word has length 160 [2019-09-20 13:05:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:29,112 INFO L475 AbstractCegarLoop]: Abstraction has 885 states and 1039 transitions. [2019-09-20 13:05:29,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1039 transitions. [2019-09-20 13:05:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-09-20 13:05:29,117 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:29,118 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:05:29,118 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:29,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:29,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1406564668, now seen corresponding path program 1 times [2019-09-20 13:05:29,118 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:29,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:29,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:29,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:29,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-09-20 13:05:29,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:29,269 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 [2019-09-20 13:05:29,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:29,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:05:29,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:05:29,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:29,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:05:29,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:29,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:29,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:29,600 INFO L87 Difference]: Start difference. First operand 885 states and 1039 transitions. Second operand 6 states. [2019-09-20 13:05:30,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:30,448 INFO L93 Difference]: Finished difference Result 1898 states and 2335 transitions. [2019-09-20 13:05:30,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:30,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2019-09-20 13:05:30,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:30,456 INFO L225 Difference]: With dead ends: 1898 [2019-09-20 13:05:30,456 INFO L226 Difference]: Without dead ends: 1161 [2019-09-20 13:05:30,462 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:30,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2019-09-20 13:05:30,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1066. [2019-09-20 13:05:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2019-09-20 13:05:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1275 transitions. [2019-09-20 13:05:30,543 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1275 transitions. Word has length 224 [2019-09-20 13:05:30,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:30,543 INFO L475 AbstractCegarLoop]: Abstraction has 1066 states and 1275 transitions. [2019-09-20 13:05:30,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1275 transitions. [2019-09-20 13:05:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-09-20 13:05:30,549 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:30,550 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:05:30,550 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:30,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:30,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1113638304, now seen corresponding path program 1 times [2019-09-20 13:05:30,551 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:30,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:30,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:30,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:30,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:05:30,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:30,824 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 [2019-09-20 13:05:30,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:31,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:05:31,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:31,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:05:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:05:31,245 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:05:31,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2019-09-20 13:05:31,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:05:31,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:05:31,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:05:31,247 INFO L87 Difference]: Start difference. First operand 1066 states and 1275 transitions. Second operand 15 states. [2019-09-20 13:05:33,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:33,172 INFO L93 Difference]: Finished difference Result 3037 states and 4164 transitions. [2019-09-20 13:05:33,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:05:33,173 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 220 [2019-09-20 13:05:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:33,188 INFO L225 Difference]: With dead ends: 3037 [2019-09-20 13:05:33,188 INFO L226 Difference]: Without dead ends: 2123 [2019-09-20 13:05:33,193 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2019-09-20 13:05:33,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2019-09-20 13:05:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1700. [2019-09-20 13:05:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2019-09-20 13:05:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2038 transitions. [2019-09-20 13:05:33,319 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2038 transitions. Word has length 220 [2019-09-20 13:05:33,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:33,320 INFO L475 AbstractCegarLoop]: Abstraction has 1700 states and 2038 transitions. [2019-09-20 13:05:33,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:05:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2038 transitions. [2019-09-20 13:05:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-09-20 13:05:33,328 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:33,329 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:05:33,329 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:33,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:33,330 INFO L82 PathProgramCache]: Analyzing trace with hash 230129314, now seen corresponding path program 1 times [2019-09-20 13:05:33,330 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:33,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:33,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:33,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:33,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-09-20 13:05:33,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:33,505 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:33,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:33,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:05:33,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:05:33,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:33,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:05:33,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:05:33,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:05:33,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:34,000 INFO L87 Difference]: Start difference. First operand 1700 states and 2038 transitions. Second operand 13 states. [2019-09-20 13:05:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:34,143 INFO L93 Difference]: Finished difference Result 2333 states and 2763 transitions. [2019-09-20 13:05:34,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:05:34,143 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2019-09-20 13:05:34,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:34,147 INFO L225 Difference]: With dead ends: 2333 [2019-09-20 13:05:34,148 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:05:34,156 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:05:34,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:05:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:05:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:05:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:05:34,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2019-09-20 13:05:34,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:34,158 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:05:34,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:05:34,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:05:34,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:05:34,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:05:35,121 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2019-09-20 13:05:35,530 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2019-09-20 13:05:35,989 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2019-09-20 13:05:36,293 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2019-09-20 13:05:36,418 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2019-09-20 13:05:36,848 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2019-09-20 13:05:37,033 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2019-09-20 13:05:37,259 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 27 [2019-09-20 13:05:37,420 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2019-09-20 13:05:37,527 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2019-09-20 13:05:37,809 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2019-09-20 13:05:38,005 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2019-09-20 13:05:38,208 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2019-09-20 13:05:38,456 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2019-09-20 13:05:38,594 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-09-20 13:05:38,815 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-09-20 13:05:39,102 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2019-09-20 13:05:39,334 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2019-09-20 13:05:39,534 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2019-09-20 13:05:39,944 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2019-09-20 13:05:40,324 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 32 [2019-09-20 13:05:40,595 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2019-09-20 13:05:40,845 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2019-09-20 13:05:41,087 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-09-20 13:05:41,350 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2019-09-20 13:05:41,525 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 27 [2019-09-20 13:05:41,789 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 34 [2019-09-20 13:05:41,792 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 700) no Hoare annotation was computed. [2019-09-20 13:05:41,792 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 696 700) no Hoare annotation was computed. [2019-09-20 13:05:41,792 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-09-20 13:05:41,792 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 665 720) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point L690-2(lines 690 711) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point L712(lines 689 713) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 665 720) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 665 720) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 721 780) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point L753-1(lines 753 757) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 721 780) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-09-20 13:05:41,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 721 780) no Hoare annotation was computed. [2019-09-20 13:05:41,794 INFO L443 ceAbstractionStarter]: For program point L747-2(lines 747 772) no Hoare annotation was computed. [2019-09-20 13:05:41,794 INFO L443 ceAbstractionStarter]: For program point L773(lines 746 774) no Hoare annotation was computed. [2019-09-20 13:05:41,794 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-20 13:05:41,794 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-20 13:05:41,794 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:05:41,794 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-20 13:05:41,794 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:05:41,794 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,795 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2019-09-20 13:05:41,795 INFO L439 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,795 INFO L439 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,795 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-09-20 13:05:41,795 INFO L443 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2019-09-20 13:05:41,796 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-09-20 13:05:41,796 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,796 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,796 INFO L439 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,796 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2019-09-20 13:05:41,796 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 222 245) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 222 245) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 222 245) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-09-20 13:05:41,797 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2019-09-20 13:05:41,798 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2019-09-20 13:05:41,798 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2019-09-20 13:05:41,799 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2019-09-20 13:05:41,799 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2019-09-20 13:05:41,799 INFO L446 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2019-09-20 13:05:41,799 INFO L443 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2019-09-20 13:05:41,799 INFO L443 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2019-09-20 13:05:41,799 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2019-09-20 13:05:41,799 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2019-09-20 13:05:41,799 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 488) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point L503-1(line 503) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 473 508) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point L492(lines 492 500) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 500) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 473 508) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 473 508) no Hoare annotation was computed. [2019-09-20 13:05:41,800 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 619 664) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 619 664) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 619 664) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 932 977) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point L952(lines 952 959) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 966) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point L946-1(lines 946 966) no Hoare annotation was computed. [2019-09-20 13:05:41,801 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 932 977) no Hoare annotation was computed. [2019-09-20 13:05:41,802 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 932 977) no Hoare annotation was computed. [2019-09-20 13:05:41,802 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,802 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2019-09-20 13:05:41,802 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2019-09-20 13:05:41,802 INFO L439 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,802 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2019-09-20 13:05:41,802 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2019-09-20 13:05:41,803 INFO L446 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2019-09-20 13:05:41,803 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-09-20 13:05:41,803 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2019-09-20 13:05:41,803 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or .cse1 (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2019-09-20 13:05:41,803 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2019-09-20 13:05:41,803 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2019-09-20 13:05:41,803 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-09-20 13:05:41,803 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-09-20 13:05:41,803 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-09-20 13:05:41,804 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2019-09-20 13:05:41,804 INFO L439 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or (or .cse3 (not .cse2) .cse0) .cse4) (or .cse4 (or .cse0 .cse1)))) [2019-09-20 13:05:41,804 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2019-09-20 13:05:41,804 INFO L439 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse0 .cse1) (or (or .cse1 .cse2) .cse4))) [2019-09-20 13:05:41,804 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2019-09-20 13:05:41,805 INFO L439 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (and .cse6 (= 0 ~waterLevel~0))) (.cse0 (and .cse6 (= 1 processEnvironment_~tmp~3))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse3 .cse1 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse1 .cse2) (or .cse4 .cse5 .cse1)))) [2019-09-20 13:05:41,805 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or .cse2 .cse1 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (= ~pumpRunning~0 0)))) [2019-09-20 13:05:41,805 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2019-09-20 13:05:41,805 INFO L439 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse1 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse1 .cse2) (or .cse3 .cse4 .cse1))) [2019-09-20 13:05:41,805 INFO L443 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2019-09-20 13:05:41,805 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2019-09-20 13:05:41,806 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2019-09-20 13:05:41,806 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2019-09-20 13:05:41,806 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2019-09-20 13:05:41,806 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,806 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (and .cse1 .cse3) (= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse1 .cse3) .cse2))) [2019-09-20 13:05:41,806 INFO L439 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse1 .cse3 (= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:41,807 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2019-09-20 13:05:41,807 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2019-09-20 13:05:41,807 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2019-09-20 13:05:41,807 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2019-09-20 13:05:41,807 INFO L439 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,807 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-09-20 13:05:41,807 INFO L439 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse1 .cse5 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:41,808 INFO L443 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2019-09-20 13:05:41,808 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2019-09-20 13:05:41,808 INFO L439 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse1 .cse3 (= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:41,808 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2019-09-20 13:05:41,808 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2019-09-20 13:05:41,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 886 931) no Hoare annotation was computed. [2019-09-20 13:05:41,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 886 931) no Hoare annotation was computed. [2019-09-20 13:05:41,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 886 931) no Hoare annotation was computed. [2019-09-20 13:05:41,809 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 913) no Hoare annotation was computed. [2019-09-20 13:05:41,809 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 920) no Hoare annotation was computed. [2019-09-20 13:05:41,809 INFO L443 ceAbstractionStarter]: For program point L900-1(lines 900 920) no Hoare annotation was computed. [2019-09-20 13:05:41,809 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:05:41,809 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2019-09-20 13:05:41,809 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2019-09-20 13:05:41,809 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2019-09-20 13:05:41,809 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-09-20 13:05:41,810 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-09-20 13:05:41,810 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or .cse3 .cse4)) (.cse5 (not (= ~waterLevel~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 .cse5)))) [2019-09-20 13:05:41,810 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-09-20 13:05:41,810 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2019-09-20 13:05:41,810 INFO L439 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse8)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (or .cse2 .cse3)) (.cse5 (not (= ~waterLevel~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or .cse4 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse7 .cse6) (or .cse0 .cse5)))) [2019-09-20 13:05:41,810 INFO L443 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2019-09-20 13:05:41,810 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2019-09-20 13:05:41,811 INFO L443 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2019-09-20 13:05:41,811 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not .cse4)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3 .cse1) (or .cse5 .cse2 .cse1 .cse6 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2019-09-20 13:05:41,811 INFO L443 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2019-09-20 13:05:41,811 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not .cse4)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3 .cse1) (or .cse5 .cse2 .cse1 .cse6 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2019-09-20 13:05:41,811 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2019-09-20 13:05:41,811 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:05:41,811 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:05:41,811 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:05:41,812 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 783 885) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L832-2(lines 832 852) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L853(lines 831 854) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 828) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 879) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 783 885) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L833(lines 832 852) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 870) no Hoare annotation was computed. [2019-09-20 13:05:41,813 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 783 885) no Hoare annotation was computed. [2019-09-20 13:05:41,814 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-09-20 13:05:41,814 INFO L443 ceAbstractionStarter]: For program point L848-1(line 848) no Hoare annotation was computed. [2019-09-20 13:05:41,814 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2019-09-20 13:05:41,814 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 882) no Hoare annotation was computed. [2019-09-20 13:05:41,814 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 838) no Hoare annotation was computed. [2019-09-20 13:05:41,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,814 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:05:41,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,815 INFO L439 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse2))) [2019-09-20 13:05:41,815 INFO L443 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2019-09-20 13:05:41,815 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2019-09-20 13:05:41,815 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse2))) [2019-09-20 13:05:41,815 INFO L439 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse2))) [2019-09-20 13:05:41,815 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2019-09-20 13:05:41,815 INFO L443 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-09-20 13:05:41,815 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-09-20 13:05:41,816 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2019-09-20 13:05:41,816 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-09-20 13:05:41,816 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2019-09-20 13:05:41,816 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-09-20 13:05:41,816 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2019-09-20 13:05:41,816 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2019-09-20 13:05:41,816 INFO L446 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2019-09-20 13:05:41,816 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2019-09-20 13:05:41,816 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-09-20 13:05:41,817 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse4 (= 1 ~methaneLevelCritical~0) .cse0 .cse2))) [2019-09-20 13:05:41,817 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-09-20 13:05:41,817 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-09-20 13:05:41,817 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,817 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,817 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,817 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-09-20 13:05:41,818 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2019-09-20 13:05:41,818 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-09-20 13:05:41,818 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse10 (and .cse12 .cse8)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse1 (and .cse6 .cse7 .cse0) (and .cse6 .cse8) .cse9 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse10 .cse5) (or (or .cse2 .cse3 .cse4 .cse5 .cse11) .cse0) (or .cse10 .cse2 .cse3 .cse5 .cse11) (or (and .cse2 .cse6 .cse7) .cse9 (or .cse3 .cse11) (and .cse6 .cse12))))) [2019-09-20 13:05:41,818 INFO L439 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and .cse12 .cse10)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse12)) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse2 .cse7 .cse3 .cse5 .cse8) (or .cse1 (and .cse9 .cse10) .cse11 .cse3 .cse5) (or (or .cse2 .cse3 .cse4 .cse5 .cse8) .cse0) (or .cse1 .cse2 .cse6 .cse3 .cse5) (or (and .cse2 .cse9 .cse10) .cse7 .cse11 (or .cse3 .cse8))))) [2019-09-20 13:05:41,818 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 (and .cse6 .cse7 (= 0 ~methAndRunningLastTime~0)) .cse2) (or .cse4 .cse0 .cse1 .cse2) (or (and .cse0 .cse6 .cse7) .cse5 (or .cse1 .cse3)))) [2019-09-20 13:05:41,819 INFO L443 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2019-09-20 13:05:41,819 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (and .cse1 (= ~pumpRunning~0 0) .cse9)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) .cse2 (or .cse3 .cse4)) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse2 .cse3 (and .cse0 .cse1 .cse9) .cse8) (or .cse7 .cse6 .cse3 .cse8 .cse4)))) [2019-09-20 13:05:41,819 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2019-09-20 13:05:41,819 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2019-09-20 13:05:41,819 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2019-09-20 13:05:41,819 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2019-09-20 13:05:41,819 INFO L446 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2019-09-20 13:05:41,820 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-09-20 13:05:41,820 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-09-20 13:05:41,820 INFO L446 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2019-09-20 13:05:41,820 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-20 13:05:41,820 INFO L446 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2019-09-20 13:05:41,820 INFO L446 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2019-09-20 13:05:41,820 INFO L443 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2019-09-20 13:05:41,821 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:41,821 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2019-09-20 13:05:41,821 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-09-20 13:05:41,821 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2019-09-20 13:05:41,821 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2019-09-20 13:05:41,821 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,821 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) (= 0 ~methAndRunningLastTime~0)) [2019-09-20 13:05:41,821 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:05:41,821 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,822 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~waterLevel~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (or .cse4 .cse5 .cse0) .cse6) (or .cse4 .cse2 .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse6 (or .cse5 .cse0 .cse1)))) [2019-09-20 13:05:41,822 INFO L439 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not .cse6)) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse1 .cse5 .cse3 (not (= ~methAndRunningLastTime~0 0)) .cse6) (or (or .cse3 .cse4 .cse6) .cse5)))) [2019-09-20 13:05:41,822 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2019-09-20 13:05:41,822 INFO L439 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse0 .cse1) .cse3) (or (or .cse1 .cse2) .cse5) (or .cse4 .cse5 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:41,822 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-09-20 13:05:41,822 INFO L439 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse1 (not .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse6) (or (or .cse2 .cse4 .cse6) .cse5)))) [2019-09-20 13:05:41,823 INFO L443 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2019-09-20 13:05:41,823 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2019-09-20 13:05:41,823 INFO L439 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~waterLevel~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse4 .cse0 .cse1) (or .cse5 .cse4 .cse0) (or .cse5 .cse2 .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-09-20 13:05:41,823 INFO L443 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2019-09-20 13:05:41,823 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-09-20 13:05:41,823 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-09-20 13:05:41,823 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (or (not (= 0 ~pumpRunning~0)) .cse0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse4 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4 .cse1)))) [2019-09-20 13:05:41,823 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2019-09-20 13:05:41,824 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-09-20 13:05:41,824 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2019-09-20 13:05:41,824 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2019-09-20 13:05:41,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:05:41 BoogieIcfgContainer [2019-09-20 13:05:41,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:05:41,841 INFO L168 Benchmark]: Toolchain (without parser) took 21488.95 ms. Allocated memory was 137.9 MB in the beginning and 638.1 MB in the end (delta: 500.2 MB). Free memory was 84.7 MB in the beginning and 416.8 MB in the end (delta: -332.1 MB). Peak memory consumption was 452.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,842 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.46 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.5 MB in the beginning and 161.1 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,844 INFO L168 Benchmark]: Boogie Preprocessor took 93.46 ms. Allocated memory is still 198.2 MB. Free memory was 161.1 MB in the beginning and 157.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,845 INFO L168 Benchmark]: RCFGBuilder took 1211.93 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 156.5 MB in the beginning and 186.2 MB in the end (delta: -29.7 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,846 INFO L168 Benchmark]: TraceAbstraction took 19421.49 ms. Allocated memory was 218.6 MB in the beginning and 638.1 MB in the end (delta: 419.4 MB). Free memory was 186.2 MB in the beginning and 416.8 MB in the end (delta: -230.6 MB). Peak memory consumption was 473.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.46 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.5 MB in the beginning and 161.1 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.46 ms. Allocated memory is still 198.2 MB. Free memory was 161.1 MB in the beginning and 157.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.93 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 156.5 MB in the beginning and 186.2 MB in the end (delta: -29.7 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19421.49 ms. Allocated memory was 218.6 MB in the beginning and 638.1 MB in the end (delta: 419.4 MB). Free memory was 186.2 MB in the beginning and 416.8 MB in the end (delta: -230.6 MB). Peak memory consumption was 473.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 1 error locations. SAFE Result, 19.3s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 7.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2652 SDtfs, 2133 SDslu, 7463 SDs, 0 SdLazy, 4105 SolverSat, 825 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 940 GetRequests, 818 SyntacticMatches, 2 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1700occurred in iteration=13, 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, 14 MinimizatonAttempts, 921 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2727 PreInvPairs, 2826 NumberOfFragments, 2518 HoareAnnotationTreeSize, 2727 FomulaSimplifications, 13462 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 65 FomulaSimplificationsInter, 17513 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2409 NumberOfCodeBlocks, 2409 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2391 ConstructedInterpolants, 0 QuantifiedInterpolants, 593709 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4018 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 741/807 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...