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_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:19,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:19,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:19,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:19,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:19,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:19,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:19,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:19,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:19,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:19,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:19,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:19,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:19,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:19,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:19,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:19,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:19,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:19,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:19,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:19,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:19,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:19,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:19,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:19,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:19,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:19,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:19,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:19,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:19,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:19,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:19,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:19,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:19,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:19,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:19,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:19,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:19,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:19,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:19,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:19,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:19,397 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 13:04:19,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:19,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:19,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:19,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:19,414 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:19,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:19,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:19,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:19,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:19,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:19,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:19,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:19,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:19,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:19,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:19,416 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:19,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:19,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:19,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:19,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:19,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:19,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:19,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:19,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:19,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:19,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:19,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:19,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:19,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:19,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:19,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:19,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:19,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:19,467 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:19,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-09-20 13:04:19,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d9119f3/ce05dd818b484c8981cc7ed6bff9825b/FLAG007ea2979 [2019-09-20 13:04:20,111 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:20,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-09-20 13:04:20,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d9119f3/ce05dd818b484c8981cc7ed6bff9825b/FLAG007ea2979 [2019-09-20 13:04:20,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d9119f3/ce05dd818b484c8981cc7ed6bff9825b [2019-09-20 13:04:20,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:20,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:20,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:20,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:20,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:20,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:20" (1/1) ... [2019-09-20 13:04:20,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ade0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:20, skipping insertion in model container [2019-09-20 13:04:20,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:20" (1/1) ... [2019-09-20 13:04:20,434 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:20,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:20,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:20,931 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:21,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:21,093 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:21,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21 WrapperNode [2019-09-20 13:04:21,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:21,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:21,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:21,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:21,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:21,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:21,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:21,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:21,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (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 13:04:21,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:21,265 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:21,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:21,268 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-20 13:04:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:21,281 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-20 13:04:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:22,468 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:22,468 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:22,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:22 BoogieIcfgContainer [2019-09-20 13:04:22,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:22,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:22,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:22,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:22,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:20" (1/3) ... [2019-09-20 13:04:22,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6f5922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:22, skipping insertion in model container [2019-09-20 13:04:22,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (2/3) ... [2019-09-20 13:04:22,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6f5922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:22, skipping insertion in model container [2019-09-20 13:04:22,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:22" (3/3) ... [2019-09-20 13:04:22,479 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-09-20 13:04:22,489 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:22,500 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:22,518 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:22,555 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:22,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:22,556 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:22,556 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:22,556 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:22,556 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:22,557 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:22,557 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:22,557 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-09-20 13:04:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:22,591 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:22,592 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] [2019-09-20 13:04:22,595 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:22,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:22,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2019-09-20 13:04:22,603 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:22,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:22,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:22,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:22,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:22,959 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 13:04:22,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:22,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:22,966 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:22,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:22,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:22,983 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-09-20 13:04:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:23,023 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2019-09-20 13:04:23,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:23,025 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:23,043 INFO L225 Difference]: With dead ends: 260 [2019-09-20 13:04:23,043 INFO L226 Difference]: Without dead ends: 130 [2019-09-20 13:04:23,056 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 13:04:23,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-09-20 13:04:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-09-20 13:04:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-09-20 13:04:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2019-09-20 13:04:23,114 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2019-09-20 13:04:23,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:23,114 INFO L475 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2019-09-20 13:04:23,114 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2019-09-20 13:04:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:23,118 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:23,118 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] [2019-09-20 13:04:23,119 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:23,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:23,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2019-09-20 13:04:23,119 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:23,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:23,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:23,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:23,283 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 13:04:23,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:23,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:23,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:23,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:23,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:23,287 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2019-09-20 13:04:23,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:23,332 INFO L93 Difference]: Finished difference Result 209 states and 247 transitions. [2019-09-20 13:04:23,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:23,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:23,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:23,335 INFO L225 Difference]: With dead ends: 209 [2019-09-20 13:04:23,335 INFO L226 Difference]: Without dead ends: 121 [2019-09-20 13:04:23,337 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 13:04:23,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-09-20 13:04:23,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-09-20 13:04:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-09-20 13:04:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2019-09-20 13:04:23,352 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 47 [2019-09-20 13:04:23,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:23,352 INFO L475 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2019-09-20 13:04:23,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2019-09-20 13:04:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:04:23,355 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:23,355 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 13:04:23,355 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:23,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:23,356 INFO L82 PathProgramCache]: Analyzing trace with hash -970175768, now seen corresponding path program 1 times [2019-09-20 13:04:23,356 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:23,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:23,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:23,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:23,487 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 13:04:23,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:23,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:23,488 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:23,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:23,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:23,489 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 7 states. [2019-09-20 13:04:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:23,828 INFO L93 Difference]: Finished difference Result 218 states and 261 transitions. [2019-09-20 13:04:23,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:23,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:04:23,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:23,833 INFO L225 Difference]: With dead ends: 218 [2019-09-20 13:04:23,833 INFO L226 Difference]: Without dead ends: 121 [2019-09-20 13:04:23,839 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 13:04:23,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-09-20 13:04:23,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-09-20 13:04:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-09-20 13:04:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-09-20 13:04:23,864 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2019-09-20 13:04:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:23,865 INFO L475 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-09-20 13:04:23,865 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-09-20 13:04:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:04:23,868 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:23,868 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] [2019-09-20 13:04:23,868 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:23,869 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2019-09-20 13:04:23,869 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:23,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:23,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:23,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:24,069 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 13:04:24,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:24,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:04:24,071 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:04:24,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:04:24,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:04:24,072 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 5 states. [2019-09-20 13:04:24,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:24,609 INFO L93 Difference]: Finished difference Result 319 states and 386 transitions. [2019-09-20 13:04:24,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:24,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-20 13:04:24,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:24,616 INFO L225 Difference]: With dead ends: 319 [2019-09-20 13:04:24,616 INFO L226 Difference]: Without dead ends: 222 [2019-09-20 13:04:24,618 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 13:04:24,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-09-20 13:04:24,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 204. [2019-09-20 13:04:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-09-20 13:04:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 233 transitions. [2019-09-20 13:04:24,680 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 233 transitions. Word has length 64 [2019-09-20 13:04:24,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:24,681 INFO L475 AbstractCegarLoop]: Abstraction has 204 states and 233 transitions. [2019-09-20 13:04:24,681 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:04:24,681 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 233 transitions. [2019-09-20 13:04:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:04:24,690 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:24,690 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] [2019-09-20 13:04:24,690 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:24,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:24,691 INFO L82 PathProgramCache]: Analyzing trace with hash -274572639, now seen corresponding path program 1 times [2019-09-20 13:04:24,691 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:24,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:24,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:24,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:24,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:24,830 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 13:04:24,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:24,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:24,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:24,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:24,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:24,833 INFO L87 Difference]: Start difference. First operand 204 states and 233 transitions. Second operand 6 states. [2019-09-20 13:04:25,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:25,049 INFO L93 Difference]: Finished difference Result 549 states and 649 transitions. [2019-09-20 13:04:25,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:25,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-09-20 13:04:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:25,054 INFO L225 Difference]: With dead ends: 549 [2019-09-20 13:04:25,054 INFO L226 Difference]: Without dead ends: 369 [2019-09-20 13:04:25,055 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 13:04:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-09-20 13:04:25,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 363. [2019-09-20 13:04:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-09-20 13:04:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 416 transitions. [2019-09-20 13:04:25,097 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 416 transitions. Word has length 78 [2019-09-20 13:04:25,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:25,097 INFO L475 AbstractCegarLoop]: Abstraction has 363 states and 416 transitions. [2019-09-20 13:04:25,097 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 416 transitions. [2019-09-20 13:04:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-20 13:04:25,100 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:25,100 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] [2019-09-20 13:04:25,100 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:25,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1223934493, now seen corresponding path program 1 times [2019-09-20 13:04:25,101 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:25,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:25,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:25,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:25,263 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 13:04:25,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:25,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:25,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:25,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:25,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:25,267 INFO L87 Difference]: Start difference. First operand 363 states and 416 transitions. Second operand 7 states. [2019-09-20 13:04:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:25,940 INFO L93 Difference]: Finished difference Result 396 states and 466 transitions. [2019-09-20 13:04:25,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:04:25,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-09-20 13:04:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:25,944 INFO L225 Difference]: With dead ends: 396 [2019-09-20 13:04:25,944 INFO L226 Difference]: Without dead ends: 393 [2019-09-20 13:04:25,945 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 13:04:25,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-09-20 13:04:25,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 363. [2019-09-20 13:04:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-09-20 13:04:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 415 transitions. [2019-09-20 13:04:25,972 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 415 transitions. Word has length 82 [2019-09-20 13:04:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:25,973 INFO L475 AbstractCegarLoop]: Abstraction has 363 states and 415 transitions. [2019-09-20 13:04:25,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 415 transitions. [2019-09-20 13:04:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:25,974 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:25,975 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] [2019-09-20 13:04:25,975 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:25,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1913348729, now seen corresponding path program 1 times [2019-09-20 13:04:25,976 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:25,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:25,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:25,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,047 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 13:04:26,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:26,048 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:26,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:26,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:26,049 INFO L87 Difference]: Start difference. First operand 363 states and 415 transitions. Second operand 6 states. [2019-09-20 13:04:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,096 INFO L93 Difference]: Finished difference Result 716 states and 838 transitions. [2019-09-20 13:04:26,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:26,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-09-20 13:04:26,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,100 INFO L225 Difference]: With dead ends: 716 [2019-09-20 13:04:26,100 INFO L226 Difference]: Without dead ends: 377 [2019-09-20 13:04:26,101 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 13:04:26,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-09-20 13:04:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2019-09-20 13:04:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-20 13:04:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-09-20 13:04:26,125 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 98 [2019-09-20 13:04:26,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,125 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-09-20 13:04:26,126 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-09-20 13:04:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:26,127 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,128 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] [2019-09-20 13:04:26,128 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1019862391, now seen corresponding path program 1 times [2019-09-20 13:04:26,129 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,218 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 13:04:26,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:26,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:26,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:26,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:26,221 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 8 states. [2019-09-20 13:04:26,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,268 INFO L93 Difference]: Finished difference Result 736 states and 860 transitions. [2019-09-20 13:04:26,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:26,268 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-09-20 13:04:26,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,272 INFO L225 Difference]: With dead ends: 736 [2019-09-20 13:04:26,293 INFO L226 Difference]: Without dead ends: 387 [2019-09-20 13:04:26,295 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 13:04:26,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-20 13:04:26,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 381. [2019-09-20 13:04:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-09-20 13:04:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 433 transitions. [2019-09-20 13:04:26,316 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 433 transitions. Word has length 98 [2019-09-20 13:04:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,316 INFO L475 AbstractCegarLoop]: Abstraction has 381 states and 433 transitions. [2019-09-20 13:04:26,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 433 transitions. [2019-09-20 13:04:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:26,318 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,319 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] [2019-09-20 13:04:26,319 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1027621750, now seen corresponding path program 1 times [2019-09-20 13:04:26,319 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,408 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 13:04:26,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:26,409 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:26,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:26,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:26,410 INFO L87 Difference]: Start difference. First operand 381 states and 433 transitions. Second operand 4 states. [2019-09-20 13:04:26,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,642 INFO L93 Difference]: Finished difference Result 1123 states and 1346 transitions. [2019-09-20 13:04:26,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:26,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-09-20 13:04:26,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,648 INFO L225 Difference]: With dead ends: 1123 [2019-09-20 13:04:26,649 INFO L226 Difference]: Without dead ends: 766 [2019-09-20 13:04:26,651 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 13:04:26,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2019-09-20 13:04:26,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 751. [2019-09-20 13:04:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2019-09-20 13:04:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 881 transitions. [2019-09-20 13:04:26,704 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 881 transitions. Word has length 98 [2019-09-20 13:04:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,707 INFO L475 AbstractCegarLoop]: Abstraction has 751 states and 881 transitions. [2019-09-20 13:04:26,707 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 881 transitions. [2019-09-20 13:04:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-20 13:04:26,710 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,710 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] [2019-09-20 13:04:26,711 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1865521988, now seen corresponding path program 1 times [2019-09-20 13:04:26,711 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,883 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 13:04:26,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:26,883 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 13:04:26,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:27,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:27,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:27,351 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:27,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:27,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:27,353 INFO L87 Difference]: Start difference. First operand 751 states and 881 transitions. Second operand 19 states. [2019-09-20 13:04:28,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:28,915 INFO L93 Difference]: Finished difference Result 1448 states and 1719 transitions. [2019-09-20 13:04:28,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:28,915 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2019-09-20 13:04:28,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:28,920 INFO L225 Difference]: With dead ends: 1448 [2019-09-20 13:04:28,921 INFO L226 Difference]: Without dead ends: 721 [2019-09-20 13:04:28,924 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 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 13:04:28,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-09-20 13:04:28,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2019-09-20 13:04:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2019-09-20 13:04:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 832 transitions. [2019-09-20 13:04:28,966 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 832 transitions. Word has length 102 [2019-09-20 13:04:28,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,966 INFO L475 AbstractCegarLoop]: Abstraction has 721 states and 832 transitions. [2019-09-20 13:04:28,966 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 832 transitions. [2019-09-20 13:04:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-20 13:04:28,970 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,970 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:04:28,971 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,971 INFO L82 PathProgramCache]: Analyzing trace with hash 530473352, now seen corresponding path program 1 times [2019-09-20 13:04:28,971 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:04:29,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:29,077 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 13:04:29,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:04:29,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:04:29,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:29,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:04:29,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:29,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:29,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:29,376 INFO L87 Difference]: Start difference. First operand 721 states and 832 transitions. Second operand 6 states. [2019-09-20 13:04:30,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,112 INFO L93 Difference]: Finished difference Result 1565 states and 1898 transitions. [2019-09-20 13:04:30,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:30,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2019-09-20 13:04:30,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,121 INFO L225 Difference]: With dead ends: 1565 [2019-09-20 13:04:30,123 INFO L226 Difference]: Without dead ends: 988 [2019-09-20 13:04:30,125 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 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 13:04:30,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2019-09-20 13:04:30,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 893. [2019-09-20 13:04:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2019-09-20 13:04:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1048 transitions. [2019-09-20 13:04:30,199 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1048 transitions. Word has length 157 [2019-09-20 13:04:30,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,200 INFO L475 AbstractCegarLoop]: Abstraction has 893 states and 1048 transitions. [2019-09-20 13:04:30,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1048 transitions. [2019-09-20 13:04:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-20 13:04:30,204 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,204 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,205 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1153565628, now seen corresponding path program 1 times [2019-09-20 13:04:30,205 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-20 13:04:30,407 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:30,407 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 13:04:30,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:30,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:04:30,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:30,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:30,816 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:30,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:30,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:30,817 INFO L87 Difference]: Start difference. First operand 893 states and 1048 transitions. Second operand 19 states. [2019-09-20 13:04:32,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,229 INFO L93 Difference]: Finished difference Result 1526 states and 1823 transitions. [2019-09-20 13:04:32,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:32,230 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 153 [2019-09-20 13:04:32,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,231 INFO L225 Difference]: With dead ends: 1526 [2019-09-20 13:04:32,232 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:32,236 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 150 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 13:04:32,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:32,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2019-09-20 13:04:32,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,238 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:32,238 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:32,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:32,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:32,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:33,048 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 16 [2019-09-20 13:04:33,809 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-20 13:04:34,209 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2019-09-20 13:04:34,457 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2019-09-20 13:04:34,628 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2019-09-20 13:04:35,186 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-09-20 13:04:35,457 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2019-09-20 13:04:35,761 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2019-09-20 13:04:36,121 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-20 13:04:36,125 INFO L443 ceAbstractionStarter]: For program point L413(lines 390 414) no Hoare annotation was computed. [2019-09-20 13:04:36,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2019-09-20 13:04:36,125 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2019-09-20 13:04:36,125 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2019-09-20 13:04:36,125 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-09-20 13:04:36,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point L474(lines 447 475) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-09-20 13:04:36,126 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-09-20 13:04:36,127 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2019-09-20 13:04:36,127 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2019-09-20 13:04:36,127 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-09-20 13:04:36,127 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2019-09-20 13:04:36,127 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2019-09-20 13:04:36,127 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2019-09-20 13:04:36,128 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2019-09-20 13:04:36,128 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2019-09-20 13:04:36,128 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2019-09-20 13:04:36,128 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,128 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2019-09-20 13:04:36,128 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2019-09-20 13:04:36,129 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,129 INFO L439 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,129 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-09-20 13:04:36,129 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2019-09-20 13:04:36,129 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-09-20 13:04:36,129 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,129 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,130 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,130 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-09-20 13:04:36,130 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-09-20 13:04:36,130 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2019-09-20 13:04:36,130 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-09-20 13:04:36,130 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-09-20 13:04:36,130 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-09-20 13:04:36,131 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-09-20 13:04:36,132 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-09-20 13:04:36,132 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-09-20 13:04:36,132 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-09-20 13:04:36,132 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:04:36,132 INFO L443 ceAbstractionStarter]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2019-09-20 13:04:36,132 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~6 0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0) (or .cse0 .cse1 .cse3))) [2019-09-20 13:04:36,133 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1)))) [2019-09-20 13:04:36,133 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 798) no Hoare annotation was computed. [2019-09-20 13:04:36,133 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3))) [2019-09-20 13:04:36,133 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-09-20 13:04:36,133 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 803) no Hoare annotation was computed. [2019-09-20 13:04:36,133 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2019-09-20 13:04:36,134 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 901) no Hoare annotation was computed. [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point L893-2(lines 893 901) no Hoare annotation was computed. [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-09-20 13:04:36,134 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 886 921) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 913) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point L905-2(lines 905 913) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2019-09-20 13:04:36,135 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 660) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 667) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2019-09-20 13:04:36,136 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2019-09-20 13:04:36,137 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2019-09-20 13:04:36,137 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2019-09-20 13:04:36,137 INFO L446 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2019-09-20 13:04:36,137 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2019-09-20 13:04:36,137 INFO L443 ceAbstractionStarter]: For program point L871-1(line 871) no Hoare annotation was computed. [2019-09-20 13:04:36,137 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-20 13:04:36,137 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2019-09-20 13:04:36,137 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2019-09-20 13:04:36,138 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-09-20 13:04:36,138 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-09-20 13:04:36,138 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-09-20 13:04:36,138 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-09-20 13:04:36,138 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse4 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2019-09-20 13:04:36,138 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2019-09-20 13:04:36,138 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2019-09-20 13:04:36,139 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-20 13:04:36,139 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:36,139 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:36,139 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-09-20 13:04:36,139 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2))) [2019-09-20 13:04:36,139 INFO L443 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2019-09-20 13:04:36,139 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-09-20 13:04:36,140 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2019-09-20 13:04:36,140 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2019-09-20 13:04:36,140 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,140 INFO L439 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (and (and .cse0 (= ~pumpRunning~0 0)) (= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:36,140 INFO L439 ceAbstractionStarter]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:36,140 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 706) no Hoare annotation was computed. [2019-09-20 13:04:36,140 INFO L443 ceAbstractionStarter]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2019-09-20 13:04:36,141 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2019-09-20 13:04:36,141 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-09-20 13:04:36,141 INFO L439 ceAbstractionStarter]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:36,141 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 730) no Hoare annotation was computed. [2019-09-20 13:04:36,141 INFO L439 ceAbstractionStarter]: At program point L726-2(lines 720 731) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (and .cse0 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:36,141 INFO L443 ceAbstractionStarter]: For program point L691(lines 690 735) no Hoare annotation was computed. [2019-09-20 13:04:36,141 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 731) no Hoare annotation was computed. [2019-09-20 13:04:36,142 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:36,142 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-09-20 13:04:36,142 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2019-09-20 13:04:36,142 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2019-09-20 13:04:36,142 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 614) no Hoare annotation was computed. [2019-09-20 13:04:36,142 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2019-09-20 13:04:36,142 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 621) no Hoare annotation was computed. [2019-09-20 13:04:36,142 INFO L443 ceAbstractionStarter]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2019-09-20 13:04:36,143 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2019-09-20 13:04:36,143 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2019-09-20 13:04:36,143 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-09-20 13:04:36,143 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2019-09-20 13:04:36,143 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2019-09-20 13:04:36,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-09-20 13:04:36,143 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-09-20 13:04:36,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 280 289) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 583) no Hoare annotation was computed. [2019-09-20 13:04:36,144 INFO L443 ceAbstractionStarter]: For program point L535(lines 535 539) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L554(lines 532 555) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 529) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 580) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L534(lines 533 553) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 571) no Hoare annotation was computed. [2019-09-20 13:04:36,145 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2019-09-20 13:04:36,146 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-09-20 13:04:36,146 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-09-20 13:04:36,146 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:36,146 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 13:04:36,146 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:36,146 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-09-20 13:04:36,146 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:36,147 INFO L443 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2019-09-20 13:04:36,147 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2019-09-20 13:04:36,147 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:36,147 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~8)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:36,147 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2019-09-20 13:04:36,147 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-09-20 13:04:36,147 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-09-20 13:04:36,147 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-09-20 13:04:36,148 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-09-20 13:04:36,148 INFO L443 ceAbstractionStarter]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2019-09-20 13:04:36,148 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2019-09-20 13:04:36,148 INFO L443 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2019-09-20 13:04:36,148 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2019-09-20 13:04:36,148 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2019-09-20 13:04:36,148 INFO L443 ceAbstractionStarter]: For program point L931(lines 931 935) no Hoare annotation was computed. [2019-09-20 13:04:36,148 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-09-20 13:04:36,149 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (= 1 ~methaneLevelCritical~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-09-20 13:04:36,149 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-09-20 13:04:36,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:36,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:36,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:36,149 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-09-20 13:04:36,149 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-09-20 13:04:36,150 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-09-20 13:04:36,150 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (and .cse2 .cse3) .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse2)) (or .cse3 (or .cse0 .cse4 .cse1)))) [2019-09-20 13:04:36,150 INFO L439 ceAbstractionStarter]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1) .cse2 (and .cse3 .cse1))) (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse4))))) [2019-09-20 13:04:36,150 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (and .cse4 .cse1 .cse2) .cse0))) [2019-09-20 13:04:36,150 INFO L443 ceAbstractionStarter]: For program point L754(lines 753 772) no Hoare annotation was computed. [2019-09-20 13:04:36,150 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2019-09-20 13:04:36,151 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2019-09-20 13:04:36,151 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2019-09-20 13:04:36,151 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-09-20 13:04:36,151 INFO L446 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2019-09-20 13:04:36,151 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2019-09-20 13:04:36,151 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-09-20 13:04:36,151 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2019-09-20 13:04:36,151 INFO L446 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2019-09-20 13:04:36,152 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-09-20 13:04:36,152 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-09-20 13:04:36,152 INFO L446 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2019-09-20 13:04:36,152 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-09-20 13:04:36,152 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or .cse1 .cse2)) (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2019-09-20 13:04:36,152 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-09-20 13:04:36,152 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-09-20 13:04:36,152 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2019-09-20 13:04:36,153 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2019-09-20 13:04:36,153 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:36,153 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:04:36,153 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:36,153 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:36,153 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-09-20 13:04:36,153 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-09-20 13:04:36,154 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:36,154 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-09-20 13:04:36,154 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2019-09-20 13:04:36,154 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2019-09-20 13:04:36,154 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2019-09-20 13:04:36,154 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:04:36,154 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-09-20 13:04:36,154 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 172) no Hoare annotation was computed. [2019-09-20 13:04:36,155 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2019-09-20 13:04:36,155 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-09-20 13:04:36,155 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2019-09-20 13:04:36,155 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-09-20 13:04:36,155 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2019-09-20 13:04:36,155 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:36,155 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-09-20 13:04:36,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:36 BoogieIcfgContainer [2019-09-20 13:04:36,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:36,171 INFO L168 Benchmark]: Toolchain (without parser) took 15757.48 ms. Allocated memory was 138.9 MB in the beginning and 455.1 MB in the end (delta: 316.1 MB). Free memory was 85.1 MB in the beginning and 161.9 MB in the end (delta: -76.8 MB). Peak memory consumption was 330.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:36,172 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:36,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.80 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 84.9 MB in the beginning and 165.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:36,173 INFO L168 Benchmark]: Boogie Preprocessor took 109.52 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:36,174 INFO L168 Benchmark]: RCFGBuilder took 1265.93 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 161.2 MB in the beginning and 192.7 MB in the end (delta: -31.5 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:36,175 INFO L168 Benchmark]: TraceAbstraction took 13697.36 ms. Allocated memory was 221.8 MB in the beginning and 455.1 MB in the end (delta: 233.3 MB). Free memory was 192.7 MB in the beginning and 161.9 MB in the end (delta: 30.8 MB). Peak memory consumption was 355.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:36,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.80 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 84.9 MB in the beginning and 165.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.52 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1265.93 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 161.2 MB in the beginning and 192.7 MB in the end (delta: -31.5 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13697.36 ms. Allocated memory was 221.8 MB in the beginning and 455.1 MB in the end (delta: 233.3 MB). Free memory was 192.7 MB in the beginning and 161.9 MB in the end (delta: 30.8 MB). Peak memory consumption was 355.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2071 SDtfs, 1684 SDslu, 6876 SDs, 0 SdLazy, 3329 SolverSat, 591 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 451 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=893occurred in iteration=11, 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 174 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1876 PreInvPairs, 1997 NumberOfFragments, 1291 HoareAnnotationTreeSize, 1876 FomulaSimplifications, 4412 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 11824 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1471 ConstructedInterpolants, 0 QuantifiedInterpolants, 260076 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2528 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/215 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...