/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:20:21,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:20:21,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:20:21,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:20:21,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:20:21,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:20:21,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:20:21,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:20:21,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:20:21,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:20:21,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:20:21,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:20:21,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:20:21,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:20:21,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:20:21,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:20:21,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:20:21,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:20:21,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:20:21,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:20:21,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:20:21,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:20:21,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:20:21,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:20:21,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:20:21,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:20:21,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:20:21,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:20:21,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:20:21,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:20:21,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:20:21,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:20:21,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:20:21,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:20:21,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:20:21,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:20:21,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:20:21,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:20:21,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:20:21,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:20:21,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:20:21,292 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 [2020-07-17 21:20:21,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:20:21,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:20:21,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:20:21,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:20:21,328 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:20:21,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:20:21,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:20:21,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:20:21,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:20:21,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:20:21,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:20:21,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:20:21,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:20:21,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:20:21,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:20:21,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:20:21,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:20:21,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:20:21,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:20:21,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:20:21,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:20:21,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:20:21,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:20:21,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:20:21,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:20:21,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:20:21,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:20:21,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:20:21,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:20:21,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:20:21,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:20:21,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:20:21,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:20:21,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:20:21,641 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:20:21,642 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-07-17 21:20:21,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21d93f2d/0ea7f4af5fcb4557bae68c52fa4e833d/FLAG20b007916 [2020-07-17 21:20:22,226 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:20:22,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-07-17 21:20:22,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21d93f2d/0ea7f4af5fcb4557bae68c52fa4e833d/FLAG20b007916 [2020-07-17 21:20:22,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21d93f2d/0ea7f4af5fcb4557bae68c52fa4e833d [2020-07-17 21:20:22,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:20:22,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:20:22,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:20:22,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:20:22,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:20:22,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:20:22" (1/1) ... [2020-07-17 21:20:22,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332c4c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:22, skipping insertion in model container [2020-07-17 21:20:22,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:20:22" (1/1) ... [2020-07-17 21:20:22,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:20:22,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:20:22,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:20:23,017 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:20:23,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:20:23,159 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:20:23,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23 WrapperNode [2020-07-17 21:20:23,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:20:23,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:20:23,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:20:23,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:20:23,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (1/1) ... [2020-07-17 21:20:23,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (1/1) ... [2020-07-17 21:20:23,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (1/1) ... [2020-07-17 21:20:23,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (1/1) ... [2020-07-17 21:20:23,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (1/1) ... [2020-07-17 21:20:23,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (1/1) ... [2020-07-17 21:20:23,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (1/1) ... [2020-07-17 21:20:23,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:20:23,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:20:23,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:20:23,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:20:23,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (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 [2020-07-17 21:20:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:20:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:20:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:20:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:20:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:20:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:20:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:20:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:20:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:20:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:20:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:20:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:20:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:20:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:20:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:20:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:20:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:20:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:20:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:20:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 21:20:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:20:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:20:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:20:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:20:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:20:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:20:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 21:20:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 21:20:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:20:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:20:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:20:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:20:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:20:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:20:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:20:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:20:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:20:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:20:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:20:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:20:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:20:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:20:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:20:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:20:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:20:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:20:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:20:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:20:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:20:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:20:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:20:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:20:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:20:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:20:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:20:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:20:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:20:23,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:20:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:20:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:20:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:20:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:20:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:20:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:20:23,381 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:20:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:20:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 21:20:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 21:20:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:20:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:20:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 21:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:20:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:20:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:20:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:20:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:20:25,077 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:20:25,078 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:20:25,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:20:25 BoogieIcfgContainer [2020-07-17 21:20:25,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:20:25,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:20:25,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:20:25,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:20:25,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:20:22" (1/3) ... [2020-07-17 21:20:25,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29413cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:20:25, skipping insertion in model container [2020-07-17 21:20:25,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:23" (2/3) ... [2020-07-17 21:20:25,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29413cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:20:25, skipping insertion in model container [2020-07-17 21:20:25,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:20:25" (3/3) ... [2020-07-17 21:20:25,093 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2020-07-17 21:20:25,104 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:20:25,112 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:20:25,126 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:20:25,152 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:20:25,152 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:20:25,152 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:20:25,152 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:20:25,153 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:20:25,153 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:20:25,153 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:20:25,153 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:20:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-17 21:20:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:20:25,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:25,189 INFO L422 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] [2020-07-17 21:20:25,190 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:25,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:25,196 INFO L82 PathProgramCache]: Analyzing trace with hash 2078323826, now seen corresponding path program 1 times [2020-07-17 21:20:25,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:25,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5911449] [2020-07-17 21:20:25,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,114 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,212 INFO L280 TraceCheckUtils]: 0: Hoare triple {184#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {161#true} is VALID [2020-07-17 21:20:26,213 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,213 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {161#true} #488#return; {161#true} is VALID [2020-07-17 21:20:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,219 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,219 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {161#true} {161#true} #398#return; {161#true} is VALID [2020-07-17 21:20:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,223 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {161#true} {161#true} #400#return; {161#true} is VALID [2020-07-17 21:20:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,228 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {161#true} is VALID [2020-07-17 21:20:26,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,229 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {161#true} #402#return; {161#true} is VALID [2020-07-17 21:20:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,232 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,233 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {161#true} {161#true} #404#return; {161#true} is VALID [2020-07-17 21:20:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,237 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {161#true} is VALID [2020-07-17 21:20:26,238 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,238 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {162#false} #480#return; {162#false} is VALID [2020-07-17 21:20:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,243 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {161#true} is VALID [2020-07-17 21:20:26,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,243 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {162#false} #482#return; {162#false} is VALID [2020-07-17 21:20:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:26,248 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {161#true} is VALID [2020-07-17 21:20:26,248 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,249 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {162#false} #484#return; {162#false} is VALID [2020-07-17 21:20:26,255 INFO L263 TraceCheckUtils]: 0: Hoare triple {161#true} call ULTIMATE.init(); {184#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:20:26,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {184#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {161#true} is VALID [2020-07-17 21:20:26,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,257 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {161#true} {161#true} #488#return; {161#true} is VALID [2020-07-17 21:20:26,257 INFO L263 TraceCheckUtils]: 4: Hoare triple {161#true} call #t~ret72 := main(); {161#true} is VALID [2020-07-17 21:20:26,257 INFO L280 TraceCheckUtils]: 5: Hoare triple {161#true} havoc ~retValue_acc~9;havoc ~tmp~6; {161#true} is VALID [2020-07-17 21:20:26,258 INFO L263 TraceCheckUtils]: 6: Hoare triple {161#true} call select_helpers(); {161#true} is VALID [2020-07-17 21:20:26,258 INFO L280 TraceCheckUtils]: 7: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,259 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {161#true} {161#true} #398#return; {161#true} is VALID [2020-07-17 21:20:26,259 INFO L263 TraceCheckUtils]: 9: Hoare triple {161#true} call select_features(); {161#true} is VALID [2020-07-17 21:20:26,260 INFO L280 TraceCheckUtils]: 10: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,260 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {161#true} {161#true} #400#return; {161#true} is VALID [2020-07-17 21:20:26,260 INFO L263 TraceCheckUtils]: 12: Hoare triple {161#true} call #t~ret71 := valid_product(); {161#true} is VALID [2020-07-17 21:20:26,261 INFO L280 TraceCheckUtils]: 13: Hoare triple {161#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {161#true} is VALID [2020-07-17 21:20:26,261 INFO L280 TraceCheckUtils]: 14: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,261 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {161#true} {161#true} #402#return; {161#true} is VALID [2020-07-17 21:20:26,261 INFO L280 TraceCheckUtils]: 16: Hoare triple {161#true} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {161#true} is VALID [2020-07-17 21:20:26,262 INFO L280 TraceCheckUtils]: 17: Hoare triple {161#true} assume 0 != ~tmp~6; {161#true} is VALID [2020-07-17 21:20:26,262 INFO L263 TraceCheckUtils]: 18: Hoare triple {161#true} call setup(); {161#true} is VALID [2020-07-17 21:20:26,262 INFO L280 TraceCheckUtils]: 19: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,263 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {161#true} {161#true} #404#return; {161#true} is VALID [2020-07-17 21:20:26,263 INFO L263 TraceCheckUtils]: 21: Hoare triple {161#true} call runTest(); {161#true} is VALID [2020-07-17 21:20:26,263 INFO L263 TraceCheckUtils]: 22: Hoare triple {161#true} call test(); {161#true} is VALID [2020-07-17 21:20:26,264 INFO L280 TraceCheckUtils]: 23: Hoare triple {161#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {161#true} is VALID [2020-07-17 21:20:26,265 INFO L280 TraceCheckUtils]: 24: Hoare triple {161#true} assume !true; {162#false} is VALID [2020-07-17 21:20:26,265 INFO L263 TraceCheckUtils]: 25: Hoare triple {162#false} call cleanup(); {162#false} is VALID [2020-07-17 21:20:26,265 INFO L280 TraceCheckUtils]: 26: Hoare triple {162#false} havoc ~i~0;havoc ~__cil_tmp2~0; {162#false} is VALID [2020-07-17 21:20:26,266 INFO L263 TraceCheckUtils]: 27: Hoare triple {162#false} call timeShift(); {162#false} is VALID [2020-07-17 21:20:26,266 INFO L280 TraceCheckUtils]: 28: Hoare triple {162#false} assume !(0 != ~pumpRunning~0); {162#false} is VALID [2020-07-17 21:20:26,266 INFO L280 TraceCheckUtils]: 29: Hoare triple {162#false} assume !(0 != ~systemActive~0); {162#false} is VALID [2020-07-17 21:20:26,267 INFO L263 TraceCheckUtils]: 30: Hoare triple {162#false} call __utac_acc__Specification3_spec__1(); {162#false} is VALID [2020-07-17 21:20:26,267 INFO L280 TraceCheckUtils]: 31: Hoare triple {162#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {162#false} is VALID [2020-07-17 21:20:26,267 INFO L263 TraceCheckUtils]: 32: Hoare triple {162#false} call #t~ret0 := isMethaneLevelCritical(); {161#true} is VALID [2020-07-17 21:20:26,268 INFO L280 TraceCheckUtils]: 33: Hoare triple {161#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {161#true} is VALID [2020-07-17 21:20:26,268 INFO L280 TraceCheckUtils]: 34: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,268 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {161#true} {162#false} #480#return; {162#false} is VALID [2020-07-17 21:20:26,269 INFO L280 TraceCheckUtils]: 36: Hoare triple {162#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {162#false} is VALID [2020-07-17 21:20:26,269 INFO L280 TraceCheckUtils]: 37: Hoare triple {162#false} assume !(0 != ~tmp~0); {162#false} is VALID [2020-07-17 21:20:26,269 INFO L263 TraceCheckUtils]: 38: Hoare triple {162#false} call #t~ret1 := getWaterLevel(); {161#true} is VALID [2020-07-17 21:20:26,270 INFO L280 TraceCheckUtils]: 39: Hoare triple {161#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {161#true} is VALID [2020-07-17 21:20:26,270 INFO L280 TraceCheckUtils]: 40: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,270 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {161#true} {162#false} #482#return; {162#false} is VALID [2020-07-17 21:20:26,271 INFO L280 TraceCheckUtils]: 42: Hoare triple {162#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {162#false} is VALID [2020-07-17 21:20:26,271 INFO L280 TraceCheckUtils]: 43: Hoare triple {162#false} assume 2 == ~tmp___0~0; {162#false} is VALID [2020-07-17 21:20:26,271 INFO L263 TraceCheckUtils]: 44: Hoare triple {162#false} call #t~ret2 := isPumpRunning(); {161#true} is VALID [2020-07-17 21:20:26,272 INFO L280 TraceCheckUtils]: 45: Hoare triple {161#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {161#true} is VALID [2020-07-17 21:20:26,272 INFO L280 TraceCheckUtils]: 46: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-17 21:20:26,272 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {161#true} {162#false} #484#return; {162#false} is VALID [2020-07-17 21:20:26,273 INFO L280 TraceCheckUtils]: 48: Hoare triple {162#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {162#false} is VALID [2020-07-17 21:20:26,273 INFO L280 TraceCheckUtils]: 49: Hoare triple {162#false} assume !(0 != ~tmp___1~0); {162#false} is VALID [2020-07-17 21:20:26,273 INFO L263 TraceCheckUtils]: 50: Hoare triple {162#false} call __automaton_fail(); {162#false} is VALID [2020-07-17 21:20:26,273 INFO L280 TraceCheckUtils]: 51: Hoare triple {162#false} assume !false; {162#false} is VALID [2020-07-17 21:20:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:26,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5911449] [2020-07-17 21:20:26,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:26,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:20:26,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636273405] [2020-07-17 21:20:26,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:20:26,297 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:26,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:20:26,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:26,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:20:26,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:26,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:20:26,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:20:26,406 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-07-17 21:20:30,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:30,656 INFO L93 Difference]: Finished difference Result 272 states and 360 transitions. [2020-07-17 21:20:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:20:30,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:20:30,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:30,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:20:30,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-17 21:20:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:20:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-17 21:20:30,702 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2020-07-17 21:20:31,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:31,964 INFO L225 Difference]: With dead ends: 272 [2020-07-17 21:20:31,964 INFO L226 Difference]: Without dead ends: 148 [2020-07-17 21:20:31,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:20:31,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-17 21:20:33,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2020-07-17 21:20:33,212 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:33,214 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand 115 states. [2020-07-17 21:20:33,214 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 115 states. [2020-07-17 21:20:33,214 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 115 states. [2020-07-17 21:20:33,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:33,247 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2020-07-17 21:20:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2020-07-17 21:20:33,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:33,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:33,256 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 148 states. [2020-07-17 21:20:33,256 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 148 states. [2020-07-17 21:20:33,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:33,277 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2020-07-17 21:20:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2020-07-17 21:20:33,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:33,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:33,287 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:33,287 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-17 21:20:33,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-17 21:20:33,297 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-07-17 21:20:33,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:33,298 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-17 21:20:33,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:20:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-17 21:20:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:20:33,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:33,300 INFO L422 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] [2020-07-17 21:20:33,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:20:33,300 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:33,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:33,302 INFO L82 PathProgramCache]: Analyzing trace with hash 883286197, now seen corresponding path program 1 times [2020-07-17 21:20:33,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:33,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557452095] [2020-07-17 21:20:33,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,759 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,817 INFO L280 TraceCheckUtils]: 0: Hoare triple {1055#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1031#true} is VALID [2020-07-17 21:20:33,817 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,818 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1031#true} #488#return; {1031#true} is VALID [2020-07-17 21:20:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,822 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,822 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1031#true} {1031#true} #398#return; {1031#true} is VALID [2020-07-17 21:20:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,827 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,828 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1031#true} {1031#true} #400#return; {1031#true} is VALID [2020-07-17 21:20:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,834 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1031#true} is VALID [2020-07-17 21:20:33,835 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,835 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1031#true} #402#return; {1031#true} is VALID [2020-07-17 21:20:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,838 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,838 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1031#true} {1031#true} #404#return; {1031#true} is VALID [2020-07-17 21:20:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,842 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1031#true} is VALID [2020-07-17 21:20:33,842 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,843 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1032#false} #480#return; {1032#false} is VALID [2020-07-17 21:20:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,846 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1031#true} is VALID [2020-07-17 21:20:33,847 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,847 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1032#false} #482#return; {1032#false} is VALID [2020-07-17 21:20:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:33,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1031#true} is VALID [2020-07-17 21:20:33,851 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,851 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1032#false} #484#return; {1032#false} is VALID [2020-07-17 21:20:33,857 INFO L263 TraceCheckUtils]: 0: Hoare triple {1031#true} call ULTIMATE.init(); {1055#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:20:33,857 INFO L280 TraceCheckUtils]: 1: Hoare triple {1055#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1031#true} is VALID [2020-07-17 21:20:33,858 INFO L280 TraceCheckUtils]: 2: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,858 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1031#true} {1031#true} #488#return; {1031#true} is VALID [2020-07-17 21:20:33,858 INFO L263 TraceCheckUtils]: 4: Hoare triple {1031#true} call #t~ret72 := main(); {1031#true} is VALID [2020-07-17 21:20:33,858 INFO L280 TraceCheckUtils]: 5: Hoare triple {1031#true} havoc ~retValue_acc~9;havoc ~tmp~6; {1031#true} is VALID [2020-07-17 21:20:33,859 INFO L263 TraceCheckUtils]: 6: Hoare triple {1031#true} call select_helpers(); {1031#true} is VALID [2020-07-17 21:20:33,859 INFO L280 TraceCheckUtils]: 7: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,859 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1031#true} {1031#true} #398#return; {1031#true} is VALID [2020-07-17 21:20:33,860 INFO L263 TraceCheckUtils]: 9: Hoare triple {1031#true} call select_features(); {1031#true} is VALID [2020-07-17 21:20:33,860 INFO L280 TraceCheckUtils]: 10: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,860 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1031#true} {1031#true} #400#return; {1031#true} is VALID [2020-07-17 21:20:33,861 INFO L263 TraceCheckUtils]: 12: Hoare triple {1031#true} call #t~ret71 := valid_product(); {1031#true} is VALID [2020-07-17 21:20:33,861 INFO L280 TraceCheckUtils]: 13: Hoare triple {1031#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1031#true} is VALID [2020-07-17 21:20:33,862 INFO L280 TraceCheckUtils]: 14: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,862 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1031#true} {1031#true} #402#return; {1031#true} is VALID [2020-07-17 21:20:33,862 INFO L280 TraceCheckUtils]: 16: Hoare triple {1031#true} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {1031#true} is VALID [2020-07-17 21:20:33,862 INFO L280 TraceCheckUtils]: 17: Hoare triple {1031#true} assume 0 != ~tmp~6; {1031#true} is VALID [2020-07-17 21:20:33,863 INFO L263 TraceCheckUtils]: 18: Hoare triple {1031#true} call setup(); {1031#true} is VALID [2020-07-17 21:20:33,863 INFO L280 TraceCheckUtils]: 19: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,864 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1031#true} {1031#true} #404#return; {1031#true} is VALID [2020-07-17 21:20:33,865 INFO L263 TraceCheckUtils]: 21: Hoare triple {1031#true} call runTest(); {1031#true} is VALID [2020-07-17 21:20:33,865 INFO L263 TraceCheckUtils]: 22: Hoare triple {1031#true} call test(); {1031#true} is VALID [2020-07-17 21:20:33,866 INFO L280 TraceCheckUtils]: 23: Hoare triple {1031#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1045#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:20:33,866 INFO L280 TraceCheckUtils]: 24: Hoare triple {1045#(= 0 test_~splverifierCounter~0)} assume !false; {1045#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:20:33,867 INFO L280 TraceCheckUtils]: 25: Hoare triple {1045#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1032#false} is VALID [2020-07-17 21:20:33,867 INFO L263 TraceCheckUtils]: 26: Hoare triple {1032#false} call cleanup(); {1032#false} is VALID [2020-07-17 21:20:33,868 INFO L280 TraceCheckUtils]: 27: Hoare triple {1032#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1032#false} is VALID [2020-07-17 21:20:33,868 INFO L263 TraceCheckUtils]: 28: Hoare triple {1032#false} call timeShift(); {1032#false} is VALID [2020-07-17 21:20:33,870 INFO L280 TraceCheckUtils]: 29: Hoare triple {1032#false} assume !(0 != ~pumpRunning~0); {1032#false} is VALID [2020-07-17 21:20:33,871 INFO L280 TraceCheckUtils]: 30: Hoare triple {1032#false} assume !(0 != ~systemActive~0); {1032#false} is VALID [2020-07-17 21:20:33,871 INFO L263 TraceCheckUtils]: 31: Hoare triple {1032#false} call __utac_acc__Specification3_spec__1(); {1032#false} is VALID [2020-07-17 21:20:33,871 INFO L280 TraceCheckUtils]: 32: Hoare triple {1032#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {1032#false} is VALID [2020-07-17 21:20:33,871 INFO L263 TraceCheckUtils]: 33: Hoare triple {1032#false} call #t~ret0 := isMethaneLevelCritical(); {1031#true} is VALID [2020-07-17 21:20:33,872 INFO L280 TraceCheckUtils]: 34: Hoare triple {1031#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1031#true} is VALID [2020-07-17 21:20:33,872 INFO L280 TraceCheckUtils]: 35: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,872 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1031#true} {1032#false} #480#return; {1032#false} is VALID [2020-07-17 21:20:33,873 INFO L280 TraceCheckUtils]: 37: Hoare triple {1032#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1032#false} is VALID [2020-07-17 21:20:33,873 INFO L280 TraceCheckUtils]: 38: Hoare triple {1032#false} assume !(0 != ~tmp~0); {1032#false} is VALID [2020-07-17 21:20:33,873 INFO L263 TraceCheckUtils]: 39: Hoare triple {1032#false} call #t~ret1 := getWaterLevel(); {1031#true} is VALID [2020-07-17 21:20:33,873 INFO L280 TraceCheckUtils]: 40: Hoare triple {1031#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1031#true} is VALID [2020-07-17 21:20:33,874 INFO L280 TraceCheckUtils]: 41: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,874 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1031#true} {1032#false} #482#return; {1032#false} is VALID [2020-07-17 21:20:33,874 INFO L280 TraceCheckUtils]: 43: Hoare triple {1032#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {1032#false} is VALID [2020-07-17 21:20:33,879 INFO L280 TraceCheckUtils]: 44: Hoare triple {1032#false} assume 2 == ~tmp___0~0; {1032#false} is VALID [2020-07-17 21:20:33,879 INFO L263 TraceCheckUtils]: 45: Hoare triple {1032#false} call #t~ret2 := isPumpRunning(); {1031#true} is VALID [2020-07-17 21:20:33,879 INFO L280 TraceCheckUtils]: 46: Hoare triple {1031#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1031#true} is VALID [2020-07-17 21:20:33,879 INFO L280 TraceCheckUtils]: 47: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-17 21:20:33,880 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1031#true} {1032#false} #484#return; {1032#false} is VALID [2020-07-17 21:20:33,880 INFO L280 TraceCheckUtils]: 49: Hoare triple {1032#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {1032#false} is VALID [2020-07-17 21:20:33,880 INFO L280 TraceCheckUtils]: 50: Hoare triple {1032#false} assume !(0 != ~tmp___1~0); {1032#false} is VALID [2020-07-17 21:20:33,881 INFO L263 TraceCheckUtils]: 51: Hoare triple {1032#false} call __automaton_fail(); {1032#false} is VALID [2020-07-17 21:20:33,881 INFO L280 TraceCheckUtils]: 52: Hoare triple {1032#false} assume !false; {1032#false} is VALID [2020-07-17 21:20:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:33,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557452095] [2020-07-17 21:20:33,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:33,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:20:33,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606081915] [2020-07-17 21:20:33,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:20:33,897 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:33,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:20:33,973 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:33,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:20:33,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:33,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:20:33,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:20:33,974 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 4 states. [2020-07-17 21:20:35,212 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:20:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:38,346 INFO L93 Difference]: Finished difference Result 195 states and 239 transitions. [2020-07-17 21:20:38,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:20:38,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:20:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:20:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 239 transitions. [2020-07-17 21:20:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:20:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 239 transitions. [2020-07-17 21:20:38,362 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 239 transitions. [2020-07-17 21:20:39,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 239 edges. 239 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:39,239 INFO L225 Difference]: With dead ends: 195 [2020-07-17 21:20:39,239 INFO L226 Difference]: Without dead ends: 132 [2020-07-17 21:20:39,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:20:39,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-17 21:20:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 106. [2020-07-17 21:20:40,440 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:40,440 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand 106 states. [2020-07-17 21:20:40,440 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 106 states. [2020-07-17 21:20:40,440 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 106 states. [2020-07-17 21:20:40,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:40,449 INFO L93 Difference]: Finished difference Result 132 states and 164 transitions. [2020-07-17 21:20:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2020-07-17 21:20:40,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:40,451 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:40,457 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 132 states. [2020-07-17 21:20:40,457 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 132 states. [2020-07-17 21:20:40,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:40,466 INFO L93 Difference]: Finished difference Result 132 states and 164 transitions. [2020-07-17 21:20:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2020-07-17 21:20:40,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:40,472 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:40,473 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:40,473 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 21:20:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-07-17 21:20:40,481 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2020-07-17 21:20:40,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:40,483 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-07-17 21:20:40,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:20:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-07-17 21:20:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 21:20:40,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:40,488 INFO L422 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] [2020-07-17 21:20:40,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:20:40,488 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:40,489 INFO L82 PathProgramCache]: Analyzing trace with hash -2055351283, now seen corresponding path program 1 times [2020-07-17 21:20:40,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:40,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240157758] [2020-07-17 21:20:40,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:40,894 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:40,971 INFO L280 TraceCheckUtils]: 0: Hoare triple {1786#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:40,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {1764#(= 1 ~systemActive~0)} assume true; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:40,973 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1764#(= 1 ~systemActive~0)} {1759#true} #488#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:40,984 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:40,985 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #398#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:40,989 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:40,990 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #400#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:41,008 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:20:41,009 INFO L280 TraceCheckUtils]: 1: Hoare triple {1787#(= 1 |valid_product_#res|)} assume true; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:20:41,010 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1787#(= 1 |valid_product_#res|)} {1764#(= 1 ~systemActive~0)} #402#return; {1772#(= |main_#t~ret71| ~systemActive~0)} is VALID [2020-07-17 21:20:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:41,014 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,015 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1759#true} {1774#(not (= 0 ~systemActive~0))} #404#return; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:41,018 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1759#true} is VALID [2020-07-17 21:20:41,019 INFO L280 TraceCheckUtils]: 1: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,019 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1759#true} {1760#false} #480#return; {1760#false} is VALID [2020-07-17 21:20:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:41,022 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1759#true} is VALID [2020-07-17 21:20:41,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,022 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1759#true} {1760#false} #482#return; {1760#false} is VALID [2020-07-17 21:20:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:41,025 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1759#true} is VALID [2020-07-17 21:20:41,026 INFO L280 TraceCheckUtils]: 1: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,026 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1759#true} {1760#false} #484#return; {1760#false} is VALID [2020-07-17 21:20:41,031 INFO L263 TraceCheckUtils]: 0: Hoare triple {1759#true} call ULTIMATE.init(); {1786#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:20:41,038 INFO L280 TraceCheckUtils]: 1: Hoare triple {1786#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:41,038 INFO L280 TraceCheckUtils]: 2: Hoare triple {1764#(= 1 ~systemActive~0)} assume true; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:41,039 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1764#(= 1 ~systemActive~0)} {1759#true} #488#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:41,040 INFO L263 TraceCheckUtils]: 4: Hoare triple {1764#(= 1 ~systemActive~0)} call #t~ret72 := main(); {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:41,041 INFO L280 TraceCheckUtils]: 5: Hoare triple {1764#(= 1 ~systemActive~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:41,041 INFO L263 TraceCheckUtils]: 6: Hoare triple {1764#(= 1 ~systemActive~0)} call select_helpers(); {1759#true} is VALID [2020-07-17 21:20:41,041 INFO L280 TraceCheckUtils]: 7: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,042 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #398#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:41,042 INFO L263 TraceCheckUtils]: 9: Hoare triple {1764#(= 1 ~systemActive~0)} call select_features(); {1759#true} is VALID [2020-07-17 21:20:41,043 INFO L280 TraceCheckUtils]: 10: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,043 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #400#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:41,043 INFO L263 TraceCheckUtils]: 12: Hoare triple {1764#(= 1 ~systemActive~0)} call #t~ret71 := valid_product(); {1759#true} is VALID [2020-07-17 21:20:41,044 INFO L280 TraceCheckUtils]: 13: Hoare triple {1759#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:20:41,045 INFO L280 TraceCheckUtils]: 14: Hoare triple {1787#(= 1 |valid_product_#res|)} assume true; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:20:41,046 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1787#(= 1 |valid_product_#res|)} {1764#(= 1 ~systemActive~0)} #402#return; {1772#(= |main_#t~ret71| ~systemActive~0)} is VALID [2020-07-17 21:20:41,046 INFO L280 TraceCheckUtils]: 16: Hoare triple {1772#(= |main_#t~ret71| ~systemActive~0)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {1773#(= main_~tmp~6 ~systemActive~0)} is VALID [2020-07-17 21:20:41,047 INFO L280 TraceCheckUtils]: 17: Hoare triple {1773#(= main_~tmp~6 ~systemActive~0)} assume 0 != ~tmp~6; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,047 INFO L263 TraceCheckUtils]: 18: Hoare triple {1774#(not (= 0 ~systemActive~0))} call setup(); {1759#true} is VALID [2020-07-17 21:20:41,048 INFO L280 TraceCheckUtils]: 19: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,048 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1759#true} {1774#(not (= 0 ~systemActive~0))} #404#return; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,049 INFO L263 TraceCheckUtils]: 21: Hoare triple {1774#(not (= 0 ~systemActive~0))} call runTest(); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,050 INFO L263 TraceCheckUtils]: 22: Hoare triple {1774#(not (= 0 ~systemActive~0))} call test(); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,050 INFO L280 TraceCheckUtils]: 23: Hoare triple {1774#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,051 INFO L280 TraceCheckUtils]: 24: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !false; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,052 INFO L280 TraceCheckUtils]: 25: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,052 INFO L280 TraceCheckUtils]: 26: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp~4 := #t~nondet48;havoc #t~nondet48; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,053 INFO L280 TraceCheckUtils]: 27: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~4); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,053 INFO L280 TraceCheckUtils]: 28: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet49 && #t~nondet49 <= 2147483647;~tmp___0~1 := #t~nondet49;havoc #t~nondet49; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,054 INFO L280 TraceCheckUtils]: 29: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,055 INFO L280 TraceCheckUtils]: 30: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___2~0 := #t~nondet50;havoc #t~nondet50; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,055 INFO L280 TraceCheckUtils]: 31: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet51 && #t~nondet51 <= 2147483647;~tmp___1~1 := #t~nondet51;havoc #t~nondet51; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,056 INFO L280 TraceCheckUtils]: 32: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~1); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,057 INFO L263 TraceCheckUtils]: 33: Hoare triple {1774#(not (= 0 ~systemActive~0))} call timeShift(); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,057 INFO L280 TraceCheckUtils]: 34: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:41,058 INFO L280 TraceCheckUtils]: 35: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1760#false} is VALID [2020-07-17 21:20:41,058 INFO L263 TraceCheckUtils]: 36: Hoare triple {1760#false} call __utac_acc__Specification3_spec__1(); {1760#false} is VALID [2020-07-17 21:20:41,058 INFO L280 TraceCheckUtils]: 37: Hoare triple {1760#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {1760#false} is VALID [2020-07-17 21:20:41,059 INFO L263 TraceCheckUtils]: 38: Hoare triple {1760#false} call #t~ret0 := isMethaneLevelCritical(); {1759#true} is VALID [2020-07-17 21:20:41,059 INFO L280 TraceCheckUtils]: 39: Hoare triple {1759#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1759#true} is VALID [2020-07-17 21:20:41,059 INFO L280 TraceCheckUtils]: 40: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,059 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1759#true} {1760#false} #480#return; {1760#false} is VALID [2020-07-17 21:20:41,059 INFO L280 TraceCheckUtils]: 42: Hoare triple {1760#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1760#false} is VALID [2020-07-17 21:20:41,060 INFO L280 TraceCheckUtils]: 43: Hoare triple {1760#false} assume !(0 != ~tmp~0); {1760#false} is VALID [2020-07-17 21:20:41,060 INFO L263 TraceCheckUtils]: 44: Hoare triple {1760#false} call #t~ret1 := getWaterLevel(); {1759#true} is VALID [2020-07-17 21:20:41,060 INFO L280 TraceCheckUtils]: 45: Hoare triple {1759#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1759#true} is VALID [2020-07-17 21:20:41,061 INFO L280 TraceCheckUtils]: 46: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,061 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1759#true} {1760#false} #482#return; {1760#false} is VALID [2020-07-17 21:20:41,061 INFO L280 TraceCheckUtils]: 48: Hoare triple {1760#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {1760#false} is VALID [2020-07-17 21:20:41,061 INFO L280 TraceCheckUtils]: 49: Hoare triple {1760#false} assume 2 == ~tmp___0~0; {1760#false} is VALID [2020-07-17 21:20:41,062 INFO L263 TraceCheckUtils]: 50: Hoare triple {1760#false} call #t~ret2 := isPumpRunning(); {1759#true} is VALID [2020-07-17 21:20:41,062 INFO L280 TraceCheckUtils]: 51: Hoare triple {1759#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1759#true} is VALID [2020-07-17 21:20:41,062 INFO L280 TraceCheckUtils]: 52: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-17 21:20:41,062 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1759#true} {1760#false} #484#return; {1760#false} is VALID [2020-07-17 21:20:41,063 INFO L280 TraceCheckUtils]: 54: Hoare triple {1760#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {1760#false} is VALID [2020-07-17 21:20:41,063 INFO L280 TraceCheckUtils]: 55: Hoare triple {1760#false} assume !(0 != ~tmp___1~0); {1760#false} is VALID [2020-07-17 21:20:41,063 INFO L263 TraceCheckUtils]: 56: Hoare triple {1760#false} call __automaton_fail(); {1760#false} is VALID [2020-07-17 21:20:41,063 INFO L280 TraceCheckUtils]: 57: Hoare triple {1760#false} assume !false; {1760#false} is VALID [2020-07-17 21:20:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:41,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240157758] [2020-07-17 21:20:41,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:41,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:20:41,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301338521] [2020-07-17 21:20:41,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:20:41,074 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:41,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:20:41,146 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:41,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:20:41,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:41,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:20:41,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:20:41,148 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 8 states. [2020-07-17 21:20:41,904 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:20:42,833 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:43,220 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:43,528 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:47,365 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:20:56,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:56,619 INFO L93 Difference]: Finished difference Result 375 states and 467 transitions. [2020-07-17 21:20:56,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:20:56,619 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:20:56,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 467 transitions. [2020-07-17 21:20:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 467 transitions. [2020-07-17 21:20:56,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 467 transitions. [2020-07-17 21:20:58,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 467 edges. 467 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:58,353 INFO L225 Difference]: With dead ends: 375 [2020-07-17 21:20:58,353 INFO L226 Difference]: Without dead ends: 293 [2020-07-17 21:20:58,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 21:20:58,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-17 21:21:01,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 232. [2020-07-17 21:21:01,014 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:01,014 INFO L82 GeneralOperation]: Start isEquivalent. First operand 293 states. Second operand 232 states. [2020-07-17 21:21:01,014 INFO L74 IsIncluded]: Start isIncluded. First operand 293 states. Second operand 232 states. [2020-07-17 21:21:01,014 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 232 states. [2020-07-17 21:21:01,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:01,031 INFO L93 Difference]: Finished difference Result 293 states and 361 transitions. [2020-07-17 21:21:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 361 transitions. [2020-07-17 21:21:01,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:01,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:01,035 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand 293 states. [2020-07-17 21:21:01,035 INFO L87 Difference]: Start difference. First operand 232 states. Second operand 293 states. [2020-07-17 21:21:01,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:01,052 INFO L93 Difference]: Finished difference Result 293 states and 361 transitions. [2020-07-17 21:21:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 361 transitions. [2020-07-17 21:21:01,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:01,054 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:01,054 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:01,054 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-07-17 21:21:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2020-07-17 21:21:01,065 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 58 [2020-07-17 21:21:01,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:01,066 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2020-07-17 21:21:01,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:21:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2020-07-17 21:21:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 21:21:01,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:01,068 INFO L422 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] [2020-07-17 21:21:01,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:21:01,068 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:01,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:01,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1417899682, now seen corresponding path program 1 times [2020-07-17 21:21:01,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:01,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331018127] [2020-07-17 21:21:01,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,492 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,576 INFO L280 TraceCheckUtils]: 0: Hoare triple {3278#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,577 INFO L280 TraceCheckUtils]: 1: Hoare triple {3253#(= 1 ~waterLevel~0)} assume true; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,578 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3253#(= 1 ~waterLevel~0)} {3248#true} #488#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,584 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,587 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #398#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,590 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,591 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #400#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,595 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {3248#true} is VALID [2020-07-17 21:21:01,595 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,596 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #402#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,600 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,601 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #404#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,621 INFO L280 TraceCheckUtils]: 0: Hoare triple {3279#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3248#true} is VALID [2020-07-17 21:21:01,621 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} ~systemActive~0 := 0; {3248#true} is VALID [2020-07-17 21:21:01,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,622 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #454#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,626 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {3248#true} is VALID [2020-07-17 21:21:01,627 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,628 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #480#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:01,646 INFO L280 TraceCheckUtils]: 1: Hoare triple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:01,648 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} {3253#(= 1 ~waterLevel~0)} #482#return; {3273#(= 1 |__utac_acc__Specification3_spec__1_#t~ret1|)} is VALID [2020-07-17 21:21:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:01,651 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {3248#true} is VALID [2020-07-17 21:21:01,651 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,652 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3248#true} {3249#false} #484#return; {3249#false} is VALID [2020-07-17 21:21:01,657 INFO L263 TraceCheckUtils]: 0: Hoare triple {3248#true} call ULTIMATE.init(); {3278#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:01,662 INFO L280 TraceCheckUtils]: 1: Hoare triple {3278#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,663 INFO L280 TraceCheckUtils]: 2: Hoare triple {3253#(= 1 ~waterLevel~0)} assume true; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,664 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3253#(= 1 ~waterLevel~0)} {3248#true} #488#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,665 INFO L263 TraceCheckUtils]: 4: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret72 := main(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,665 INFO L280 TraceCheckUtils]: 5: Hoare triple {3253#(= 1 ~waterLevel~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,666 INFO L263 TraceCheckUtils]: 6: Hoare triple {3253#(= 1 ~waterLevel~0)} call select_helpers(); {3248#true} is VALID [2020-07-17 21:21:01,666 INFO L280 TraceCheckUtils]: 7: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,667 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #398#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,667 INFO L263 TraceCheckUtils]: 9: Hoare triple {3253#(= 1 ~waterLevel~0)} call select_features(); {3248#true} is VALID [2020-07-17 21:21:01,667 INFO L280 TraceCheckUtils]: 10: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,668 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #400#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,668 INFO L263 TraceCheckUtils]: 12: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret71 := valid_product(); {3248#true} is VALID [2020-07-17 21:21:01,668 INFO L280 TraceCheckUtils]: 13: Hoare triple {3248#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {3248#true} is VALID [2020-07-17 21:21:01,669 INFO L280 TraceCheckUtils]: 14: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,670 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #402#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,670 INFO L280 TraceCheckUtils]: 16: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,671 INFO L280 TraceCheckUtils]: 17: Hoare triple {3253#(= 1 ~waterLevel~0)} assume 0 != ~tmp~6; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,671 INFO L263 TraceCheckUtils]: 18: Hoare triple {3253#(= 1 ~waterLevel~0)} call setup(); {3248#true} is VALID [2020-07-17 21:21:01,671 INFO L280 TraceCheckUtils]: 19: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,672 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #404#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,673 INFO L263 TraceCheckUtils]: 21: Hoare triple {3253#(= 1 ~waterLevel~0)} call runTest(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,674 INFO L263 TraceCheckUtils]: 22: Hoare triple {3253#(= 1 ~waterLevel~0)} call test(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,674 INFO L280 TraceCheckUtils]: 23: Hoare triple {3253#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,675 INFO L280 TraceCheckUtils]: 24: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !false; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,675 INFO L280 TraceCheckUtils]: 25: Hoare triple {3253#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,676 INFO L280 TraceCheckUtils]: 26: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp~4 := #t~nondet48;havoc #t~nondet48; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,677 INFO L280 TraceCheckUtils]: 27: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~4); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,677 INFO L280 TraceCheckUtils]: 28: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet49 && #t~nondet49 <= 2147483647;~tmp___0~1 := #t~nondet49;havoc #t~nondet49; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,678 INFO L280 TraceCheckUtils]: 29: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,679 INFO L280 TraceCheckUtils]: 30: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___2~0 := #t~nondet50;havoc #t~nondet50; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,679 INFO L280 TraceCheckUtils]: 31: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet51 && #t~nondet51 <= 2147483647;~tmp___1~1 := #t~nondet51;havoc #t~nondet51; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,680 INFO L280 TraceCheckUtils]: 32: Hoare triple {3253#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~1; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,681 INFO L263 TraceCheckUtils]: 33: Hoare triple {3253#(= 1 ~waterLevel~0)} call stopSystem(); {3279#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-17 21:21:01,682 INFO L280 TraceCheckUtils]: 34: Hoare triple {3279#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3248#true} is VALID [2020-07-17 21:21:01,682 INFO L280 TraceCheckUtils]: 35: Hoare triple {3248#true} ~systemActive~0 := 0; {3248#true} is VALID [2020-07-17 21:21:01,682 INFO L280 TraceCheckUtils]: 36: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,683 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #454#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,684 INFO L263 TraceCheckUtils]: 38: Hoare triple {3253#(= 1 ~waterLevel~0)} call timeShift(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,685 INFO L280 TraceCheckUtils]: 39: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,685 INFO L280 TraceCheckUtils]: 40: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,686 INFO L263 TraceCheckUtils]: 41: Hoare triple {3253#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,687 INFO L280 TraceCheckUtils]: 42: Hoare triple {3253#(= 1 ~waterLevel~0)} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,687 INFO L263 TraceCheckUtils]: 43: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret0 := isMethaneLevelCritical(); {3248#true} is VALID [2020-07-17 21:21:01,687 INFO L280 TraceCheckUtils]: 44: Hoare triple {3248#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {3248#true} is VALID [2020-07-17 21:21:01,688 INFO L280 TraceCheckUtils]: 45: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,689 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #480#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,689 INFO L280 TraceCheckUtils]: 47: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,690 INFO L280 TraceCheckUtils]: 48: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~0); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:01,690 INFO L263 TraceCheckUtils]: 49: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret1 := getWaterLevel(); {3248#true} is VALID [2020-07-17 21:21:01,691 INFO L280 TraceCheckUtils]: 50: Hoare triple {3248#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:01,691 INFO L280 TraceCheckUtils]: 51: Hoare triple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:01,692 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} {3253#(= 1 ~waterLevel~0)} #482#return; {3273#(= 1 |__utac_acc__Specification3_spec__1_#t~ret1|)} is VALID [2020-07-17 21:21:01,693 INFO L280 TraceCheckUtils]: 53: Hoare triple {3273#(= 1 |__utac_acc__Specification3_spec__1_#t~ret1|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {3274#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-17 21:21:01,694 INFO L280 TraceCheckUtils]: 54: Hoare triple {3274#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == ~tmp___0~0; {3249#false} is VALID [2020-07-17 21:21:01,694 INFO L263 TraceCheckUtils]: 55: Hoare triple {3249#false} call #t~ret2 := isPumpRunning(); {3248#true} is VALID [2020-07-17 21:21:01,694 INFO L280 TraceCheckUtils]: 56: Hoare triple {3248#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {3248#true} is VALID [2020-07-17 21:21:01,694 INFO L280 TraceCheckUtils]: 57: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-17 21:21:01,695 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3248#true} {3249#false} #484#return; {3249#false} is VALID [2020-07-17 21:21:01,695 INFO L280 TraceCheckUtils]: 59: Hoare triple {3249#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {3249#false} is VALID [2020-07-17 21:21:01,695 INFO L280 TraceCheckUtils]: 60: Hoare triple {3249#false} assume !(0 != ~tmp___1~0); {3249#false} is VALID [2020-07-17 21:21:01,695 INFO L263 TraceCheckUtils]: 61: Hoare triple {3249#false} call __automaton_fail(); {3249#false} is VALID [2020-07-17 21:21:01,696 INFO L280 TraceCheckUtils]: 62: Hoare triple {3249#false} assume !false; {3249#false} is VALID [2020-07-17 21:21:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:21:01,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331018127] [2020-07-17 21:21:01,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:01,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:21:01,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690351471] [2020-07-17 21:21:01,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:21:01,708 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:01,708 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:21:01,795 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:01,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:21:01,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:01,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:21:01,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:21:01,796 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand 8 states. [2020-07-17 21:21:02,578 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:10,628 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:11,453 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:11,928 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:12,360 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:16,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:16,930 INFO L93 Difference]: Finished difference Result 711 states and 941 transitions. [2020-07-17 21:21:16,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 21:21:16,931 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:21:16,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:21:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 429 transitions. [2020-07-17 21:21:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:21:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 429 transitions. [2020-07-17 21:21:16,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 429 transitions. [2020-07-17 21:21:18,359 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 429 edges. 429 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:18,386 INFO L225 Difference]: With dead ends: 711 [2020-07-17 21:21:18,386 INFO L226 Difference]: Without dead ends: 503 [2020-07-17 21:21:18,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-17 21:21:18,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-07-17 21:21:23,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 437. [2020-07-17 21:21:23,160 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:23,160 INFO L82 GeneralOperation]: Start isEquivalent. First operand 503 states. Second operand 437 states. [2020-07-17 21:21:23,160 INFO L74 IsIncluded]: Start isIncluded. First operand 503 states. Second operand 437 states. [2020-07-17 21:21:23,160 INFO L87 Difference]: Start difference. First operand 503 states. Second operand 437 states. [2020-07-17 21:21:23,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:23,191 INFO L93 Difference]: Finished difference Result 503 states and 656 transitions. [2020-07-17 21:21:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 656 transitions. [2020-07-17 21:21:23,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:23,194 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:23,194 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 503 states. [2020-07-17 21:21:23,194 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 503 states. [2020-07-17 21:21:23,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:23,223 INFO L93 Difference]: Finished difference Result 503 states and 656 transitions. [2020-07-17 21:21:23,223 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 656 transitions. [2020-07-17 21:21:23,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:23,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:23,226 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:23,226 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-17 21:21:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 543 transitions. [2020-07-17 21:21:23,261 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 543 transitions. Word has length 63 [2020-07-17 21:21:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:23,261 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 543 transitions. [2020-07-17 21:21:23,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:21:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 543 transitions. [2020-07-17 21:21:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-17 21:21:23,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:23,264 INFO L422 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] [2020-07-17 21:21:23,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:21:23,264 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:23,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:23,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1714463836, now seen corresponding path program 1 times [2020-07-17 21:21:23,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:23,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806561102] [2020-07-17 21:21:23,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:21:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:21:23,465 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:21:23,465 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:21:23,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:21:23,608 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:21:23,608 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:21:23,608 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:21:23,608 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:21:23,608 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:21:23,608 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:21:23,608 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:21:23,609 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:21:23,610 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:21:23,610 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-17 21:21:23,610 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:21:23,610 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:21:23,610 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:21:23,610 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:21:23,611 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:21:23,612 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:21:23,613 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-17 21:21:23,614 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L885 has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L885 has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L843 has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L843 has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:21:23,615 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: L694 has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: L694 has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:21:23,616 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:21:23,617 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: L478-1 has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 21:21:23,618 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L622 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L622 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L454-1 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:21:23,619 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L466-1 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L885-1 has no Hoare annotation [2020-07-17 21:21:23,620 WARN L170 areAnnotationChecker]: L885-1 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L844 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L844 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L716-2 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-17 21:21:23,621 WARN L170 areAnnotationChecker]: L411-1 has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: L694-1 has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2020-07-17 21:21:23,622 WARN L170 areAnnotationChecker]: L667-1 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L371 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L371 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L365-1 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-17 21:21:23,623 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: L503-2 has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-17 21:21:23,624 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: L814-1 has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: L891-1 has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: L891-1 has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:21:23,625 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: L218 has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: L218 has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-17 21:21:23,626 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: L889-1 has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: L654-1 has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:21:23,627 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L231-1 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L571-1 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-17 21:21:23,628 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation [2020-07-17 21:21:23,629 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: L218-1 has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: L846 has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: L846 has no Hoare annotation [2020-07-17 21:21:23,630 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L728-2 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-17 21:21:23,631 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-17 21:21:23,632 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,633 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: L833 has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-17 21:21:23,634 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L313-1 has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L329-1 has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:21:23,636 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-17 21:21:23,637 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L739-1 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:21:23,638 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:21:23,639 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L848 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L848 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:21:23,640 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L852 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L852 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L822-1 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L822-1 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-17 21:21:23,641 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-17 21:21:23,642 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:23,642 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:23,642 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:23,642 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:23,642 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:23,642 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:23,642 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:23,642 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 21:21:23,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:21:23 BoogieIcfgContainer [2020-07-17 21:21:23,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:21:23,655 INFO L168 Benchmark]: Toolchain (without parser) took 61165.59 ms. Allocated memory was 136.8 MB in the beginning and 803.7 MB in the end (delta: 666.9 MB). Free memory was 100.2 MB in the beginning and 164.2 MB in the end (delta: -63.9 MB). Peak memory consumption was 603.0 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:23,656 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 21:21:23,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.24 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 170.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:23,657 INFO L168 Benchmark]: Boogie Preprocessor took 140.70 ms. Allocated memory is still 201.3 MB. Free memory was 170.2 MB in the beginning and 163.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:23,658 INFO L168 Benchmark]: RCFGBuilder took 1782.09 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.9 MB in the beginning and 96.7 MB in the end (delta: 67.2 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:23,659 INFO L168 Benchmark]: TraceAbstraction took 58568.27 ms. Allocated memory was 231.2 MB in the beginning and 803.7 MB in the end (delta: 572.5 MB). Free memory was 96.7 MB in the beginning and 164.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 505.0 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:23,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.24 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 170.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.70 ms. Allocated memory is still 201.3 MB. Free memory was 170.2 MB in the beginning and 163.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1782.09 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 163.9 MB in the beginning and 96.7 MB in the end (delta: 67.2 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58568.27 ms. Allocated memory was 231.2 MB in the beginning and 803.7 MB in the end (delta: 572.5 MB). Free memory was 96.7 MB in the beginning and 164.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 505.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 532]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=170, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] int retValue_acc ; [L881] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L885] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L886] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L887] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L887] tmp = valid_product() [L889] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L891] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L892] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L551] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L553] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L559] tmp = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L563] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L466] COND TRUE waterLevel < 2 [L467] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___2)) [L587] tmp___1 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L591] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L749] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L591] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L598] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L620] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L627] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L635] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L701] int retValue_acc ; [L704] retValue_acc = pumpRunning [L705] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L532] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 58.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 44.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 444 SDtfs, 588 SDslu, 377 SDs, 0 SdLazy, 1731 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=437occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...