/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 13:56:58,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 13:56:58,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 13:56:58,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 13:56:58,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 13:56:58,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 13:56:58,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 13:56:58,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 13:56:58,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 13:56:58,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 13:56:58,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 13:56:58,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 13:56:58,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 13:56:58,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 13:56:58,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 13:56:58,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 13:56:58,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 13:56:58,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 13:56:58,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 13:56:58,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 13:56:58,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 13:56:58,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 13:56:58,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 13:56:58,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 13:56:58,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 13:56:58,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 13:56:58,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 13:56:58,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 13:56:58,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 13:56:58,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 13:56:58,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 13:56:58,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 13:56:58,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 13:56:58,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 13:56:58,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 13:56:58,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 13:56:58,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 13:56:58,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 13:56:58,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 13:56:58,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 13:56:58,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 13:56:58,292 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 [2020-07-10 13:56:58,305 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 13:56:58,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 13:56:58,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 13:56:58,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 13:56:58,307 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 13:56:58,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 13:56:58,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 13:56:58,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 13:56:58,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 13:56:58,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 13:56:58,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 13:56:58,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 13:56:58,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 13:56:58,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 13:56:58,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 13:56:58,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 13:56:58,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 13:56:58,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 13:56:58,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 13:56:58,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 13:56:58,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 13:56:58,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 13:56:58,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 13:56:58,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 13:56:58,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 13:56:58,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 13:56:58,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 13:56:58,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 13:56:58,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 13:56:58,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 13:56:58,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 13:56:58,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 13:56:58,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 13:56:58,701 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 13:56:58,702 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 13:56:58,703 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2020-07-10 13:56:58,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d292403b/d3a841882cc944bf8f963b23570145fb/FLAG6cd37c333 [2020-07-10 13:56:59,261 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 13:56:59,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2020-07-10 13:56:59,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d292403b/d3a841882cc944bf8f963b23570145fb/FLAG6cd37c333 [2020-07-10 13:56:59,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d292403b/d3a841882cc944bf8f963b23570145fb [2020-07-10 13:56:59,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 13:56:59,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 13:56:59,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 13:56:59,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 13:56:59,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 13:56:59,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:56:59" (1/1) ... [2020-07-10 13:56:59,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2689c120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:59, skipping insertion in model container [2020-07-10 13:56:59,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:56:59" (1/1) ... [2020-07-10 13:56:59,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 13:56:59,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 13:57:00,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:57:00,022 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 13:57:00,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:57:00,265 INFO L208 MainTranslator]: Completed translation [2020-07-10 13:57:00,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00 WrapperNode [2020-07-10 13:57:00,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 13:57:00,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 13:57:00,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 13:57:00,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 13:57:00,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (1/1) ... [2020-07-10 13:57:00,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (1/1) ... [2020-07-10 13:57:00,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (1/1) ... [2020-07-10 13:57:00,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (1/1) ... [2020-07-10 13:57:00,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (1/1) ... [2020-07-10 13:57:00,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (1/1) ... [2020-07-10 13:57:00,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (1/1) ... [2020-07-10 13:57:00,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 13:57:00,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 13:57:00,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 13:57:00,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 13:57:00,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (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 [2020-07-10 13:57:00,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-10 13:57:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-10 13:57:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-10 13:57:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-10 13:57:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-10 13:57:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-10 13:57:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-10 13:57:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-10 13:57:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-10 13:57:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-10 13:57:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-10 13:57:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-10 13:57:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-10 13:57:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-10 13:57:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-10 13:57:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-10 13:57:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-10 13:57:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-10 13:57:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-10 13:57:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-10 13:57:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-10 13:57:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-10 13:57:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:57:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-10 13:57:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-10 13:57:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-10 13:57:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-10 13:57:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 13:57:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 13:57:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 13:57:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-10 13:57:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-10 13:57:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-10 13:57:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 13:57:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-10 13:57:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-10 13:57:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 13:57:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 13:57:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-10 13:57:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 13:57:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 13:57:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 13:57:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 13:57:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-10 13:57:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 13:57:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-10 13:57:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-10 13:57:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 13:57:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-10 13:57:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-10 13:57:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-10 13:57:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-10 13:57:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-10 13:57:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-10 13:57:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-10 13:57:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-10 13:57:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-10 13:57:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-10 13:57:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-10 13:57:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:57:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-10 13:57:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-10 13:57:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-10 13:57:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-10 13:57:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-10 13:57:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-10 13:57:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 13:57:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 13:57:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 13:57:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 13:57:01,993 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 13:57:01,993 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-10 13:57:01,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:57:01 BoogieIcfgContainer [2020-07-10 13:57:01,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 13:57:02,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 13:57:02,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 13:57:02,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 13:57:02,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:56:59" (1/3) ... [2020-07-10 13:57:02,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c83d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:57:02, skipping insertion in model container [2020-07-10 13:57:02,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:57:00" (2/3) ... [2020-07-10 13:57:02,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c83d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:57:02, skipping insertion in model container [2020-07-10 13:57:02,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:57:01" (3/3) ... [2020-07-10 13:57:02,008 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2020-07-10 13:57:02,020 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 13:57:02,029 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 13:57:02,046 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 13:57:02,074 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 13:57:02,075 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 13:57:02,075 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 13:57:02,076 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 13:57:02,076 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 13:57:02,076 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 13:57:02,076 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 13:57:02,077 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 13:57:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-07-10 13:57:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-10 13:57:02,109 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:02,111 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] [2020-07-10 13:57:02,111 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:02,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:02,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1414244218, now seen corresponding path program 1 times [2020-07-10 13:57:02,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:02,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772609621] [2020-07-10 13:57:02,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:02,845 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:57:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:02,968 INFO L280 TraceCheckUtils]: 0: Hoare triple {171#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {148#true} is VALID [2020-07-10 13:57:02,968 INFO L280 TraceCheckUtils]: 1: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:02,969 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {148#true} {148#true} #462#return; {148#true} is VALID [2020-07-10 13:57:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:02,982 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:02,982 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {148#true} {148#true} #380#return; {148#true} is VALID [2020-07-10 13:57:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:02,986 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:02,986 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {148#true} {148#true} #382#return; {148#true} is VALID [2020-07-10 13:57:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:02,998 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {148#true} is VALID [2020-07-10 13:57:02,998 INFO L280 TraceCheckUtils]: 1: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:02,999 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {148#true} {148#true} #384#return; {148#true} is VALID [2020-07-10 13:57:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:03,003 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,004 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {148#true} {148#true} #386#return; {148#true} is VALID [2020-07-10 13:57:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:03,009 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {148#true} is VALID [2020-07-10 13:57:03,010 INFO L280 TraceCheckUtils]: 1: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,010 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {148#true} {149#false} #454#return; {149#false} is VALID [2020-07-10 13:57:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:03,014 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {148#true} is VALID [2020-07-10 13:57:03,014 INFO L280 TraceCheckUtils]: 1: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,015 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {148#true} {149#false} #456#return; {149#false} is VALID [2020-07-10 13:57:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:03,019 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {148#true} is VALID [2020-07-10 13:57:03,019 INFO L280 TraceCheckUtils]: 1: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,019 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {148#true} {149#false} #458#return; {149#false} is VALID [2020-07-10 13:57:03,025 INFO L263 TraceCheckUtils]: 0: Hoare triple {148#true} call ULTIMATE.init(); {171#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:57:03,026 INFO L280 TraceCheckUtils]: 1: Hoare triple {171#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {148#true} is VALID [2020-07-10 13:57:03,026 INFO L280 TraceCheckUtils]: 2: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,027 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {148#true} {148#true} #462#return; {148#true} is VALID [2020-07-10 13:57:03,027 INFO L263 TraceCheckUtils]: 4: Hoare triple {148#true} call #t~ret72 := main(); {148#true} is VALID [2020-07-10 13:57:03,027 INFO L280 TraceCheckUtils]: 5: Hoare triple {148#true} havoc ~retValue_acc~9;havoc ~tmp~6; {148#true} is VALID [2020-07-10 13:57:03,028 INFO L263 TraceCheckUtils]: 6: Hoare triple {148#true} call select_helpers(); {148#true} is VALID [2020-07-10 13:57:03,028 INFO L280 TraceCheckUtils]: 7: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,028 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {148#true} {148#true} #380#return; {148#true} is VALID [2020-07-10 13:57:03,029 INFO L263 TraceCheckUtils]: 9: Hoare triple {148#true} call select_features(); {148#true} is VALID [2020-07-10 13:57:03,029 INFO L280 TraceCheckUtils]: 10: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,030 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {148#true} {148#true} #382#return; {148#true} is VALID [2020-07-10 13:57:03,030 INFO L263 TraceCheckUtils]: 12: Hoare triple {148#true} call #t~ret71 := valid_product(); {148#true} is VALID [2020-07-10 13:57:03,030 INFO L280 TraceCheckUtils]: 13: Hoare triple {148#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {148#true} is VALID [2020-07-10 13:57:03,031 INFO L280 TraceCheckUtils]: 14: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,031 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {148#true} {148#true} #384#return; {148#true} is VALID [2020-07-10 13:57:03,031 INFO L280 TraceCheckUtils]: 16: Hoare triple {148#true} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {148#true} is VALID [2020-07-10 13:57:03,032 INFO L280 TraceCheckUtils]: 17: Hoare triple {148#true} assume 0 != ~tmp~6; {148#true} is VALID [2020-07-10 13:57:03,032 INFO L263 TraceCheckUtils]: 18: Hoare triple {148#true} call setup(); {148#true} is VALID [2020-07-10 13:57:03,032 INFO L280 TraceCheckUtils]: 19: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,033 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {148#true} {148#true} #386#return; {148#true} is VALID [2020-07-10 13:57:03,033 INFO L263 TraceCheckUtils]: 21: Hoare triple {148#true} call runTest(); {148#true} is VALID [2020-07-10 13:57:03,033 INFO L263 TraceCheckUtils]: 22: Hoare triple {148#true} call test(); {148#true} is VALID [2020-07-10 13:57:03,034 INFO L280 TraceCheckUtils]: 23: Hoare triple {148#true} havoc ~splverifierCounter~0;havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {148#true} is VALID [2020-07-10 13:57:03,035 INFO L280 TraceCheckUtils]: 24: Hoare triple {148#true} assume !true; {149#false} is VALID [2020-07-10 13:57:03,035 INFO L263 TraceCheckUtils]: 25: Hoare triple {149#false} call cleanup(); {149#false} is VALID [2020-07-10 13:57:03,035 INFO L280 TraceCheckUtils]: 26: Hoare triple {149#false} havoc ~i~0;havoc ~__cil_tmp2~0; {149#false} is VALID [2020-07-10 13:57:03,036 INFO L263 TraceCheckUtils]: 27: Hoare triple {149#false} call timeShift(); {149#false} is VALID [2020-07-10 13:57:03,036 INFO L280 TraceCheckUtils]: 28: Hoare triple {149#false} assume !(0 != ~pumpRunning~0); {149#false} is VALID [2020-07-10 13:57:03,036 INFO L280 TraceCheckUtils]: 29: Hoare triple {149#false} assume !(0 != ~systemActive~0); {149#false} is VALID [2020-07-10 13:57:03,037 INFO L263 TraceCheckUtils]: 30: Hoare triple {149#false} call __utac_acc__Specification3_spec__1(); {149#false} is VALID [2020-07-10 13:57:03,037 INFO L280 TraceCheckUtils]: 31: Hoare triple {149#false} havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1; {149#false} is VALID [2020-07-10 13:57:03,037 INFO L263 TraceCheckUtils]: 32: Hoare triple {149#false} call #t~ret68 := isMethaneLevelCritical(); {148#true} is VALID [2020-07-10 13:57:03,037 INFO L280 TraceCheckUtils]: 33: Hoare triple {148#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {148#true} is VALID [2020-07-10 13:57:03,038 INFO L280 TraceCheckUtils]: 34: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,038 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {148#true} {149#false} #454#return; {149#false} is VALID [2020-07-10 13:57:03,038 INFO L280 TraceCheckUtils]: 36: Hoare triple {149#false} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~5 := #t~ret68;havoc #t~ret68; {149#false} is VALID [2020-07-10 13:57:03,039 INFO L280 TraceCheckUtils]: 37: Hoare triple {149#false} assume !(0 != ~tmp~5); {149#false} is VALID [2020-07-10 13:57:03,039 INFO L263 TraceCheckUtils]: 38: Hoare triple {149#false} call #t~ret69 := getWaterLevel(); {148#true} is VALID [2020-07-10 13:57:03,039 INFO L280 TraceCheckUtils]: 39: Hoare triple {148#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {148#true} is VALID [2020-07-10 13:57:03,040 INFO L280 TraceCheckUtils]: 40: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,040 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {148#true} {149#false} #456#return; {149#false} is VALID [2020-07-10 13:57:03,040 INFO L280 TraceCheckUtils]: 42: Hoare triple {149#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp___0~1 := #t~ret69;havoc #t~ret69; {149#false} is VALID [2020-07-10 13:57:03,041 INFO L280 TraceCheckUtils]: 43: Hoare triple {149#false} assume 2 == ~tmp___0~1; {149#false} is VALID [2020-07-10 13:57:03,041 INFO L263 TraceCheckUtils]: 44: Hoare triple {149#false} call #t~ret70 := isPumpRunning(); {148#true} is VALID [2020-07-10 13:57:03,041 INFO L280 TraceCheckUtils]: 45: Hoare triple {148#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {148#true} is VALID [2020-07-10 13:57:03,042 INFO L280 TraceCheckUtils]: 46: Hoare triple {148#true} assume true; {148#true} is VALID [2020-07-10 13:57:03,042 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {148#true} {149#false} #458#return; {149#false} is VALID [2020-07-10 13:57:03,042 INFO L280 TraceCheckUtils]: 48: Hoare triple {149#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___1~1 := #t~ret70;havoc #t~ret70; {149#false} is VALID [2020-07-10 13:57:03,043 INFO L280 TraceCheckUtils]: 49: Hoare triple {149#false} assume !(0 != ~tmp___1~1); {149#false} is VALID [2020-07-10 13:57:03,043 INFO L263 TraceCheckUtils]: 50: Hoare triple {149#false} call __automaton_fail(); {149#false} is VALID [2020-07-10 13:57:03,043 INFO L280 TraceCheckUtils]: 51: Hoare triple {149#false} assume !false; {149#false} is VALID [2020-07-10 13:57:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:57:03,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772609621] [2020-07-10 13:57:03,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:57:03,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 13:57:03,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610300976] [2020-07-10 13:57:03,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:57:03,064 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:57:03,068 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 13:57:03,146 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:03,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 13:57:03,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:57:03,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 13:57:03,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:57:03,158 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 3 states. [2020-07-10 13:57:06,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:06,582 INFO L93 Difference]: Finished difference Result 220 states and 294 transitions. [2020-07-10 13:57:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 13:57:06,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:57:06,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:57:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:57:06,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2020-07-10 13:57:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:57:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2020-07-10 13:57:06,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 294 transitions. [2020-07-10 13:57:07,618 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 294 edges. 294 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:07,637 INFO L225 Difference]: With dead ends: 220 [2020-07-10 13:57:07,637 INFO L226 Difference]: Without dead ends: 120 [2020-07-10 13:57:07,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:57:07,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-10 13:57:08,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 91. [2020-07-10 13:57:08,555 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:57:08,556 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 91 states. [2020-07-10 13:57:08,557 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 91 states. [2020-07-10 13:57:08,557 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 91 states. [2020-07-10 13:57:08,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:08,578 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2020-07-10 13:57:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2020-07-10 13:57:08,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:08,588 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:08,588 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 120 states. [2020-07-10 13:57:08,588 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 120 states. [2020-07-10 13:57:08,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:08,609 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2020-07-10 13:57:08,609 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2020-07-10 13:57:08,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:08,613 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:08,613 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:57:08,614 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:57:08,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-10 13:57:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2020-07-10 13:57:08,621 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52 [2020-07-10 13:57:08,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:57:08,622 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2020-07-10 13:57:08,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 13:57:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2020-07-10 13:57:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-10 13:57:08,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:08,624 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] [2020-07-10 13:57:08,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 13:57:08,624 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:08,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:08,625 INFO L82 PathProgramCache]: Analyzing trace with hash -803860910, now seen corresponding path program 1 times [2020-07-10 13:57:08,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:08,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973409609] [2020-07-10 13:57:08,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:08,963 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:57:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,035 INFO L280 TraceCheckUtils]: 0: Hoare triple {876#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {852#true} is VALID [2020-07-10 13:57:09,036 INFO L280 TraceCheckUtils]: 1: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,036 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {852#true} {852#true} #462#return; {852#true} is VALID [2020-07-10 13:57:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,039 INFO L280 TraceCheckUtils]: 0: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,040 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {852#true} {852#true} #380#return; {852#true} is VALID [2020-07-10 13:57:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,042 INFO L280 TraceCheckUtils]: 0: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,042 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {852#true} {852#true} #382#return; {852#true} is VALID [2020-07-10 13:57:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,046 INFO L280 TraceCheckUtils]: 0: Hoare triple {852#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {852#true} is VALID [2020-07-10 13:57:09,046 INFO L280 TraceCheckUtils]: 1: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,047 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {852#true} {852#true} #384#return; {852#true} is VALID [2020-07-10 13:57:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,049 INFO L280 TraceCheckUtils]: 0: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,050 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {852#true} {852#true} #386#return; {852#true} is VALID [2020-07-10 13:57:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,053 INFO L280 TraceCheckUtils]: 0: Hoare triple {852#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {852#true} is VALID [2020-07-10 13:57:09,053 INFO L280 TraceCheckUtils]: 1: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,054 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {852#true} {853#false} #454#return; {853#false} is VALID [2020-07-10 13:57:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {852#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {852#true} is VALID [2020-07-10 13:57:09,057 INFO L280 TraceCheckUtils]: 1: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,058 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {852#true} {853#false} #456#return; {853#false} is VALID [2020-07-10 13:57:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:09,061 INFO L280 TraceCheckUtils]: 0: Hoare triple {852#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {852#true} is VALID [2020-07-10 13:57:09,061 INFO L280 TraceCheckUtils]: 1: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,061 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {852#true} {853#false} #458#return; {853#false} is VALID [2020-07-10 13:57:09,066 INFO L263 TraceCheckUtils]: 0: Hoare triple {852#true} call ULTIMATE.init(); {876#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:57:09,066 INFO L280 TraceCheckUtils]: 1: Hoare triple {876#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {852#true} is VALID [2020-07-10 13:57:09,066 INFO L280 TraceCheckUtils]: 2: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,067 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {852#true} {852#true} #462#return; {852#true} is VALID [2020-07-10 13:57:09,067 INFO L263 TraceCheckUtils]: 4: Hoare triple {852#true} call #t~ret72 := main(); {852#true} is VALID [2020-07-10 13:57:09,067 INFO L280 TraceCheckUtils]: 5: Hoare triple {852#true} havoc ~retValue_acc~9;havoc ~tmp~6; {852#true} is VALID [2020-07-10 13:57:09,068 INFO L263 TraceCheckUtils]: 6: Hoare triple {852#true} call select_helpers(); {852#true} is VALID [2020-07-10 13:57:09,068 INFO L280 TraceCheckUtils]: 7: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,068 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {852#true} {852#true} #380#return; {852#true} is VALID [2020-07-10 13:57:09,068 INFO L263 TraceCheckUtils]: 9: Hoare triple {852#true} call select_features(); {852#true} is VALID [2020-07-10 13:57:09,069 INFO L280 TraceCheckUtils]: 10: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,069 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {852#true} {852#true} #382#return; {852#true} is VALID [2020-07-10 13:57:09,069 INFO L263 TraceCheckUtils]: 12: Hoare triple {852#true} call #t~ret71 := valid_product(); {852#true} is VALID [2020-07-10 13:57:09,070 INFO L280 TraceCheckUtils]: 13: Hoare triple {852#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {852#true} is VALID [2020-07-10 13:57:09,070 INFO L280 TraceCheckUtils]: 14: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,070 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {852#true} {852#true} #384#return; {852#true} is VALID [2020-07-10 13:57:09,070 INFO L280 TraceCheckUtils]: 16: Hoare triple {852#true} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {852#true} is VALID [2020-07-10 13:57:09,071 INFO L280 TraceCheckUtils]: 17: Hoare triple {852#true} assume 0 != ~tmp~6; {852#true} is VALID [2020-07-10 13:57:09,071 INFO L263 TraceCheckUtils]: 18: Hoare triple {852#true} call setup(); {852#true} is VALID [2020-07-10 13:57:09,071 INFO L280 TraceCheckUtils]: 19: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,072 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {852#true} {852#true} #386#return; {852#true} is VALID [2020-07-10 13:57:09,072 INFO L263 TraceCheckUtils]: 21: Hoare triple {852#true} call runTest(); {852#true} is VALID [2020-07-10 13:57:09,072 INFO L263 TraceCheckUtils]: 22: Hoare triple {852#true} call test(); {852#true} is VALID [2020-07-10 13:57:09,073 INFO L280 TraceCheckUtils]: 23: Hoare triple {852#true} havoc ~splverifierCounter~0;havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {866#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:57:09,074 INFO L280 TraceCheckUtils]: 24: Hoare triple {866#(= 0 test_~splverifierCounter~0)} assume !false; {866#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:57:09,075 INFO L280 TraceCheckUtils]: 25: Hoare triple {866#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {853#false} is VALID [2020-07-10 13:57:09,075 INFO L263 TraceCheckUtils]: 26: Hoare triple {853#false} call cleanup(); {853#false} is VALID [2020-07-10 13:57:09,075 INFO L280 TraceCheckUtils]: 27: Hoare triple {853#false} havoc ~i~0;havoc ~__cil_tmp2~0; {853#false} is VALID [2020-07-10 13:57:09,076 INFO L263 TraceCheckUtils]: 28: Hoare triple {853#false} call timeShift(); {853#false} is VALID [2020-07-10 13:57:09,076 INFO L280 TraceCheckUtils]: 29: Hoare triple {853#false} assume !(0 != ~pumpRunning~0); {853#false} is VALID [2020-07-10 13:57:09,076 INFO L280 TraceCheckUtils]: 30: Hoare triple {853#false} assume !(0 != ~systemActive~0); {853#false} is VALID [2020-07-10 13:57:09,076 INFO L263 TraceCheckUtils]: 31: Hoare triple {853#false} call __utac_acc__Specification3_spec__1(); {853#false} is VALID [2020-07-10 13:57:09,077 INFO L280 TraceCheckUtils]: 32: Hoare triple {853#false} havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1; {853#false} is VALID [2020-07-10 13:57:09,077 INFO L263 TraceCheckUtils]: 33: Hoare triple {853#false} call #t~ret68 := isMethaneLevelCritical(); {852#true} is VALID [2020-07-10 13:57:09,077 INFO L280 TraceCheckUtils]: 34: Hoare triple {852#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {852#true} is VALID [2020-07-10 13:57:09,078 INFO L280 TraceCheckUtils]: 35: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,078 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {852#true} {853#false} #454#return; {853#false} is VALID [2020-07-10 13:57:09,078 INFO L280 TraceCheckUtils]: 37: Hoare triple {853#false} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~5 := #t~ret68;havoc #t~ret68; {853#false} is VALID [2020-07-10 13:57:09,079 INFO L280 TraceCheckUtils]: 38: Hoare triple {853#false} assume !(0 != ~tmp~5); {853#false} is VALID [2020-07-10 13:57:09,079 INFO L263 TraceCheckUtils]: 39: Hoare triple {853#false} call #t~ret69 := getWaterLevel(); {852#true} is VALID [2020-07-10 13:57:09,079 INFO L280 TraceCheckUtils]: 40: Hoare triple {852#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {852#true} is VALID [2020-07-10 13:57:09,079 INFO L280 TraceCheckUtils]: 41: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,080 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {852#true} {853#false} #456#return; {853#false} is VALID [2020-07-10 13:57:09,080 INFO L280 TraceCheckUtils]: 43: Hoare triple {853#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp___0~1 := #t~ret69;havoc #t~ret69; {853#false} is VALID [2020-07-10 13:57:09,080 INFO L280 TraceCheckUtils]: 44: Hoare triple {853#false} assume 2 == ~tmp___0~1; {853#false} is VALID [2020-07-10 13:57:09,081 INFO L263 TraceCheckUtils]: 45: Hoare triple {853#false} call #t~ret70 := isPumpRunning(); {852#true} is VALID [2020-07-10 13:57:09,081 INFO L280 TraceCheckUtils]: 46: Hoare triple {852#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {852#true} is VALID [2020-07-10 13:57:09,081 INFO L280 TraceCheckUtils]: 47: Hoare triple {852#true} assume true; {852#true} is VALID [2020-07-10 13:57:09,081 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {852#true} {853#false} #458#return; {853#false} is VALID [2020-07-10 13:57:09,082 INFO L280 TraceCheckUtils]: 49: Hoare triple {853#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___1~1 := #t~ret70;havoc #t~ret70; {853#false} is VALID [2020-07-10 13:57:09,082 INFO L280 TraceCheckUtils]: 50: Hoare triple {853#false} assume !(0 != ~tmp___1~1); {853#false} is VALID [2020-07-10 13:57:09,082 INFO L263 TraceCheckUtils]: 51: Hoare triple {853#false} call __automaton_fail(); {853#false} is VALID [2020-07-10 13:57:09,082 INFO L280 TraceCheckUtils]: 52: Hoare triple {853#false} assume !false; {853#false} is VALID [2020-07-10 13:57:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:57:09,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973409609] [2020-07-10 13:57:09,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:57:09,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 13:57:09,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822952102] [2020-07-10 13:57:09,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:57:09,092 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:57:09,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 13:57:09,189 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:09,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 13:57:09,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:57:09,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 13:57:09,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 13:57:09,190 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 4 states. [2020-07-10 13:57:10,429 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-10 13:57:12,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:12,558 INFO L93 Difference]: Finished difference Result 149 states and 181 transitions. [2020-07-10 13:57:12,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 13:57:12,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:57:12,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:57:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:57:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-10 13:57:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:57:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-10 13:57:12,571 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 181 transitions. [2020-07-10 13:57:13,214 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:13,219 INFO L225 Difference]: With dead ends: 149 [2020-07-10 13:57:13,219 INFO L226 Difference]: Without dead ends: 104 [2020-07-10 13:57:13,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 13:57:13,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-10 13:57:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2020-07-10 13:57:14,093 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:57:14,093 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 82 states. [2020-07-10 13:57:14,093 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 82 states. [2020-07-10 13:57:14,093 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 82 states. [2020-07-10 13:57:14,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:14,100 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2020-07-10 13:57:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-07-10 13:57:14,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:14,101 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:14,101 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 104 states. [2020-07-10 13:57:14,101 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 104 states. [2020-07-10 13:57:14,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:14,107 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2020-07-10 13:57:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-07-10 13:57:14,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:14,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:14,109 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:57:14,109 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:57:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-10 13:57:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2020-07-10 13:57:14,112 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2020-07-10 13:57:14,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:57:14,113 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2020-07-10 13:57:14,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 13:57:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2020-07-10 13:57:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-10 13:57:14,114 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:14,115 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] [2020-07-10 13:57:14,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 13:57:14,115 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:14,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:14,115 INFO L82 PathProgramCache]: Analyzing trace with hash 9396391, now seen corresponding path program 1 times [2020-07-10 13:57:14,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:14,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031980101] [2020-07-10 13:57:14,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,546 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:57:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {1450#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,646 INFO L280 TraceCheckUtils]: 1: Hoare triple {1428#(= 1 ~systemActive~0)} assume true; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,647 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1428#(= 1 ~systemActive~0)} {1423#true} #462#return; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,651 INFO L280 TraceCheckUtils]: 0: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,652 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1423#true} {1428#(= 1 ~systemActive~0)} #380#return; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,657 INFO L280 TraceCheckUtils]: 0: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,658 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1423#true} {1428#(= 1 ~systemActive~0)} #382#return; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,706 INFO L280 TraceCheckUtils]: 0: Hoare triple {1423#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:57:14,707 INFO L280 TraceCheckUtils]: 1: Hoare triple {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:57:14,708 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1428#(= 1 ~systemActive~0)} #384#return; {1436#(= |main_#t~ret71| ~systemActive~0)} is VALID [2020-07-10 13:57:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,712 INFO L280 TraceCheckUtils]: 0: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,713 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1423#true} {1438#(not (= 0 ~systemActive~0))} #386#return; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,716 INFO L280 TraceCheckUtils]: 0: Hoare triple {1423#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1423#true} is VALID [2020-07-10 13:57:14,716 INFO L280 TraceCheckUtils]: 1: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,717 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1423#true} {1424#false} #454#return; {1424#false} is VALID [2020-07-10 13:57:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,720 INFO L280 TraceCheckUtils]: 0: Hoare triple {1423#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {1423#true} is VALID [2020-07-10 13:57:14,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,720 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1423#true} {1424#false} #456#return; {1424#false} is VALID [2020-07-10 13:57:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:14,723 INFO L280 TraceCheckUtils]: 0: Hoare triple {1423#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {1423#true} is VALID [2020-07-10 13:57:14,723 INFO L280 TraceCheckUtils]: 1: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,724 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1423#true} {1424#false} #458#return; {1424#false} is VALID [2020-07-10 13:57:14,728 INFO L263 TraceCheckUtils]: 0: Hoare triple {1423#true} call ULTIMATE.init(); {1450#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:57:14,733 INFO L280 TraceCheckUtils]: 1: Hoare triple {1450#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,734 INFO L280 TraceCheckUtils]: 2: Hoare triple {1428#(= 1 ~systemActive~0)} assume true; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,735 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1428#(= 1 ~systemActive~0)} {1423#true} #462#return; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,736 INFO L263 TraceCheckUtils]: 4: Hoare triple {1428#(= 1 ~systemActive~0)} call #t~ret72 := main(); {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,737 INFO L280 TraceCheckUtils]: 5: Hoare triple {1428#(= 1 ~systemActive~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,737 INFO L263 TraceCheckUtils]: 6: Hoare triple {1428#(= 1 ~systemActive~0)} call select_helpers(); {1423#true} is VALID [2020-07-10 13:57:14,737 INFO L280 TraceCheckUtils]: 7: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,738 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1423#true} {1428#(= 1 ~systemActive~0)} #380#return; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,738 INFO L263 TraceCheckUtils]: 9: Hoare triple {1428#(= 1 ~systemActive~0)} call select_features(); {1423#true} is VALID [2020-07-10 13:57:14,738 INFO L280 TraceCheckUtils]: 10: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,739 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1423#true} {1428#(= 1 ~systemActive~0)} #382#return; {1428#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:57:14,739 INFO L263 TraceCheckUtils]: 12: Hoare triple {1428#(= 1 ~systemActive~0)} call #t~ret71 := valid_product(); {1423#true} is VALID [2020-07-10 13:57:14,740 INFO L280 TraceCheckUtils]: 13: Hoare triple {1423#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:57:14,741 INFO L280 TraceCheckUtils]: 14: Hoare triple {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:57:14,742 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1451#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1428#(= 1 ~systemActive~0)} #384#return; {1436#(= |main_#t~ret71| ~systemActive~0)} is VALID [2020-07-10 13:57:14,742 INFO L280 TraceCheckUtils]: 16: Hoare triple {1436#(= |main_#t~ret71| ~systemActive~0)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {1437#(= main_~tmp~6 ~systemActive~0)} is VALID [2020-07-10 13:57:14,743 INFO L280 TraceCheckUtils]: 17: Hoare triple {1437#(= main_~tmp~6 ~systemActive~0)} assume 0 != ~tmp~6; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,743 INFO L263 TraceCheckUtils]: 18: Hoare triple {1438#(not (= 0 ~systemActive~0))} call setup(); {1423#true} is VALID [2020-07-10 13:57:14,744 INFO L280 TraceCheckUtils]: 19: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,744 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1423#true} {1438#(not (= 0 ~systemActive~0))} #386#return; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,745 INFO L263 TraceCheckUtils]: 21: Hoare triple {1438#(not (= 0 ~systemActive~0))} call runTest(); {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,746 INFO L263 TraceCheckUtils]: 22: Hoare triple {1438#(not (= 0 ~systemActive~0))} call test(); {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,746 INFO L280 TraceCheckUtils]: 23: Hoare triple {1438#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,747 INFO L280 TraceCheckUtils]: 24: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume !false; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,747 INFO L280 TraceCheckUtils]: 25: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,748 INFO L280 TraceCheckUtils]: 26: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet46 && #t~nondet46 <= 2147483647;~tmp~3 := #t~nondet46;havoc #t~nondet46; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,749 INFO L280 TraceCheckUtils]: 27: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~3); {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,749 INFO L280 TraceCheckUtils]: 28: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet47 && #t~nondet47 <= 2147483647;~tmp___0~0 := #t~nondet47;havoc #t~nondet47; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,750 INFO L280 TraceCheckUtils]: 29: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,750 INFO L280 TraceCheckUtils]: 30: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp___2~0 := #t~nondet48;havoc #t~nondet48; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,751 INFO L280 TraceCheckUtils]: 31: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet49 && #t~nondet49 <= 2147483647;~tmp___1~0 := #t~nondet49;havoc #t~nondet49; {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,752 INFO L280 TraceCheckUtils]: 32: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~0); {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,752 INFO L263 TraceCheckUtils]: 33: Hoare triple {1438#(not (= 0 ~systemActive~0))} call timeShift(); {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,753 INFO L280 TraceCheckUtils]: 34: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1438#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:57:14,753 INFO L280 TraceCheckUtils]: 35: Hoare triple {1438#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1424#false} is VALID [2020-07-10 13:57:14,754 INFO L263 TraceCheckUtils]: 36: Hoare triple {1424#false} call __utac_acc__Specification3_spec__1(); {1424#false} is VALID [2020-07-10 13:57:14,754 INFO L280 TraceCheckUtils]: 37: Hoare triple {1424#false} havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1; {1424#false} is VALID [2020-07-10 13:57:14,754 INFO L263 TraceCheckUtils]: 38: Hoare triple {1424#false} call #t~ret68 := isMethaneLevelCritical(); {1423#true} is VALID [2020-07-10 13:57:14,754 INFO L280 TraceCheckUtils]: 39: Hoare triple {1423#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {1423#true} is VALID [2020-07-10 13:57:14,754 INFO L280 TraceCheckUtils]: 40: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,755 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1423#true} {1424#false} #454#return; {1424#false} is VALID [2020-07-10 13:57:14,755 INFO L280 TraceCheckUtils]: 42: Hoare triple {1424#false} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~5 := #t~ret68;havoc #t~ret68; {1424#false} is VALID [2020-07-10 13:57:14,755 INFO L280 TraceCheckUtils]: 43: Hoare triple {1424#false} assume !(0 != ~tmp~5); {1424#false} is VALID [2020-07-10 13:57:14,755 INFO L263 TraceCheckUtils]: 44: Hoare triple {1424#false} call #t~ret69 := getWaterLevel(); {1423#true} is VALID [2020-07-10 13:57:14,756 INFO L280 TraceCheckUtils]: 45: Hoare triple {1423#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {1423#true} is VALID [2020-07-10 13:57:14,756 INFO L280 TraceCheckUtils]: 46: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,756 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1423#true} {1424#false} #456#return; {1424#false} is VALID [2020-07-10 13:57:14,756 INFO L280 TraceCheckUtils]: 48: Hoare triple {1424#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp___0~1 := #t~ret69;havoc #t~ret69; {1424#false} is VALID [2020-07-10 13:57:14,757 INFO L280 TraceCheckUtils]: 49: Hoare triple {1424#false} assume 2 == ~tmp___0~1; {1424#false} is VALID [2020-07-10 13:57:14,757 INFO L263 TraceCheckUtils]: 50: Hoare triple {1424#false} call #t~ret70 := isPumpRunning(); {1423#true} is VALID [2020-07-10 13:57:14,757 INFO L280 TraceCheckUtils]: 51: Hoare triple {1423#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {1423#true} is VALID [2020-07-10 13:57:14,757 INFO L280 TraceCheckUtils]: 52: Hoare triple {1423#true} assume true; {1423#true} is VALID [2020-07-10 13:57:14,757 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1423#true} {1424#false} #458#return; {1424#false} is VALID [2020-07-10 13:57:14,758 INFO L280 TraceCheckUtils]: 54: Hoare triple {1424#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___1~1 := #t~ret70;havoc #t~ret70; {1424#false} is VALID [2020-07-10 13:57:14,758 INFO L280 TraceCheckUtils]: 55: Hoare triple {1424#false} assume !(0 != ~tmp___1~1); {1424#false} is VALID [2020-07-10 13:57:14,758 INFO L263 TraceCheckUtils]: 56: Hoare triple {1424#false} call __automaton_fail(); {1424#false} is VALID [2020-07-10 13:57:14,758 INFO L280 TraceCheckUtils]: 57: Hoare triple {1424#false} assume !false; {1424#false} is VALID [2020-07-10 13:57:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:57:14,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031980101] [2020-07-10 13:57:14,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:57:14,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 13:57:14,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356483402] [2020-07-10 13:57:14,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-10 13:57:14,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:57:14,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 13:57:14,839 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:14,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 13:57:14,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:57:14,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 13:57:14,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 13:57:14,840 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 8 states. [2020-07-10 13:57:15,631 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:57:16,510 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-10 13:57:16,873 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:17,183 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:21,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:21,570 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2020-07-10 13:57:21,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 13:57:21,571 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-10 13:57:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:57:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:57:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 199 transitions. [2020-07-10 13:57:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:57:21,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 199 transitions. [2020-07-10 13:57:21,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 199 transitions. [2020-07-10 13:57:22,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:22,243 INFO L225 Difference]: With dead ends: 162 [2020-07-10 13:57:22,243 INFO L226 Difference]: Without dead ends: 104 [2020-07-10 13:57:22,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-10 13:57:22,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-10 13:57:23,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2020-07-10 13:57:23,161 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:57:23,161 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 82 states. [2020-07-10 13:57:23,161 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 82 states. [2020-07-10 13:57:23,161 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 82 states. [2020-07-10 13:57:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:23,172 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2020-07-10 13:57:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2020-07-10 13:57:23,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:23,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:23,174 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 104 states. [2020-07-10 13:57:23,174 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 104 states. [2020-07-10 13:57:23,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:23,179 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2020-07-10 13:57:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2020-07-10 13:57:23,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:23,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:23,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:57:23,180 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:57:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-10 13:57:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2020-07-10 13:57:23,184 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2020-07-10 13:57:23,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:57:23,184 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2020-07-10 13:57:23,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 13:57:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2020-07-10 13:57:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-10 13:57:23,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:23,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:57:23,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 13:57:23,189 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:23,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:23,189 INFO L82 PathProgramCache]: Analyzing trace with hash 446188768, now seen corresponding path program 1 times [2020-07-10 13:57:23,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:23,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694220812] [2020-07-10 13:57:23,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,635 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:57:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,698 INFO L280 TraceCheckUtils]: 0: Hoare triple {2049#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,699 INFO L280 TraceCheckUtils]: 1: Hoare triple {2026#(= 1 ~waterLevel~0)} assume true; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,699 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2026#(= 1 ~waterLevel~0)} {2021#true} #462#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,703 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,704 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #380#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,706 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,707 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #382#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,711 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2021#true} is VALID [2020-07-10 13:57:23,711 INFO L280 TraceCheckUtils]: 1: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,712 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #384#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,715 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,716 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #386#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,720 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,720 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #436#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,724 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {2021#true} is VALID [2020-07-10 13:57:23,725 INFO L280 TraceCheckUtils]: 1: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,725 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #454#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,741 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {2050#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:57:23,742 INFO L280 TraceCheckUtils]: 1: Hoare triple {2050#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2050#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:57:23,743 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2050#(= |getWaterLevel_#res| ~waterLevel~0)} {2026#(= 1 ~waterLevel~0)} #456#return; {2044#(= 1 |__utac_acc__Specification3_spec__1_#t~ret69|)} is VALID [2020-07-10 13:57:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:23,746 INFO L280 TraceCheckUtils]: 0: Hoare triple {2021#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {2021#true} is VALID [2020-07-10 13:57:23,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,747 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2021#true} {2022#false} #458#return; {2022#false} is VALID [2020-07-10 13:57:23,751 INFO L263 TraceCheckUtils]: 0: Hoare triple {2021#true} call ULTIMATE.init(); {2049#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:57:23,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {2049#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,758 INFO L280 TraceCheckUtils]: 2: Hoare triple {2026#(= 1 ~waterLevel~0)} assume true; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,759 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2026#(= 1 ~waterLevel~0)} {2021#true} #462#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,760 INFO L263 TraceCheckUtils]: 4: Hoare triple {2026#(= 1 ~waterLevel~0)} call #t~ret72 := main(); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,760 INFO L280 TraceCheckUtils]: 5: Hoare triple {2026#(= 1 ~waterLevel~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,761 INFO L263 TraceCheckUtils]: 6: Hoare triple {2026#(= 1 ~waterLevel~0)} call select_helpers(); {2021#true} is VALID [2020-07-10 13:57:23,761 INFO L280 TraceCheckUtils]: 7: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,762 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #380#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,762 INFO L263 TraceCheckUtils]: 9: Hoare triple {2026#(= 1 ~waterLevel~0)} call select_features(); {2021#true} is VALID [2020-07-10 13:57:23,762 INFO L280 TraceCheckUtils]: 10: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,763 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #382#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,763 INFO L263 TraceCheckUtils]: 12: Hoare triple {2026#(= 1 ~waterLevel~0)} call #t~ret71 := valid_product(); {2021#true} is VALID [2020-07-10 13:57:23,763 INFO L280 TraceCheckUtils]: 13: Hoare triple {2021#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2021#true} is VALID [2020-07-10 13:57:23,764 INFO L280 TraceCheckUtils]: 14: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,764 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #384#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,765 INFO L280 TraceCheckUtils]: 16: Hoare triple {2026#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,766 INFO L280 TraceCheckUtils]: 17: Hoare triple {2026#(= 1 ~waterLevel~0)} assume 0 != ~tmp~6; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,766 INFO L263 TraceCheckUtils]: 18: Hoare triple {2026#(= 1 ~waterLevel~0)} call setup(); {2021#true} is VALID [2020-07-10 13:57:23,766 INFO L280 TraceCheckUtils]: 19: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,767 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #386#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,768 INFO L263 TraceCheckUtils]: 21: Hoare triple {2026#(= 1 ~waterLevel~0)} call runTest(); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,768 INFO L263 TraceCheckUtils]: 22: Hoare triple {2026#(= 1 ~waterLevel~0)} call test(); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,769 INFO L280 TraceCheckUtils]: 23: Hoare triple {2026#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,769 INFO L280 TraceCheckUtils]: 24: Hoare triple {2026#(= 1 ~waterLevel~0)} assume !false; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,770 INFO L280 TraceCheckUtils]: 25: Hoare triple {2026#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,770 INFO L280 TraceCheckUtils]: 26: Hoare triple {2026#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet46 && #t~nondet46 <= 2147483647;~tmp~3 := #t~nondet46;havoc #t~nondet46; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,771 INFO L280 TraceCheckUtils]: 27: Hoare triple {2026#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~3); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,772 INFO L280 TraceCheckUtils]: 28: Hoare triple {2026#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet47 && #t~nondet47 <= 2147483647;~tmp___0~0 := #t~nondet47;havoc #t~nondet47; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,772 INFO L280 TraceCheckUtils]: 29: Hoare triple {2026#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~0); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,773 INFO L280 TraceCheckUtils]: 30: Hoare triple {2026#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp___2~0 := #t~nondet48;havoc #t~nondet48; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,773 INFO L280 TraceCheckUtils]: 31: Hoare triple {2026#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet49 && #t~nondet49 <= 2147483647;~tmp___1~0 := #t~nondet49;havoc #t~nondet49; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,774 INFO L280 TraceCheckUtils]: 32: Hoare triple {2026#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___1~0); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,774 INFO L263 TraceCheckUtils]: 33: Hoare triple {2026#(= 1 ~waterLevel~0)} call timeShift(); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,775 INFO L280 TraceCheckUtils]: 34: Hoare triple {2026#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,776 INFO L280 TraceCheckUtils]: 35: Hoare triple {2026#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,776 INFO L263 TraceCheckUtils]: 36: Hoare triple {2026#(= 1 ~waterLevel~0)} call processEnvironment(); {2021#true} is VALID [2020-07-10 13:57:23,776 INFO L280 TraceCheckUtils]: 37: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,777 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #436#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,777 INFO L263 TraceCheckUtils]: 39: Hoare triple {2026#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,778 INFO L280 TraceCheckUtils]: 40: Hoare triple {2026#(= 1 ~waterLevel~0)} havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,778 INFO L263 TraceCheckUtils]: 41: Hoare triple {2026#(= 1 ~waterLevel~0)} call #t~ret68 := isMethaneLevelCritical(); {2021#true} is VALID [2020-07-10 13:57:23,778 INFO L280 TraceCheckUtils]: 42: Hoare triple {2021#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {2021#true} is VALID [2020-07-10 13:57:23,778 INFO L280 TraceCheckUtils]: 43: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,779 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2021#true} {2026#(= 1 ~waterLevel~0)} #454#return; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,780 INFO L280 TraceCheckUtils]: 45: Hoare triple {2026#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~5 := #t~ret68;havoc #t~ret68; {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,780 INFO L280 TraceCheckUtils]: 46: Hoare triple {2026#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~5); {2026#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:57:23,781 INFO L263 TraceCheckUtils]: 47: Hoare triple {2026#(= 1 ~waterLevel~0)} call #t~ret69 := getWaterLevel(); {2021#true} is VALID [2020-07-10 13:57:23,781 INFO L280 TraceCheckUtils]: 48: Hoare triple {2021#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {2050#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:57:23,782 INFO L280 TraceCheckUtils]: 49: Hoare triple {2050#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2050#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:57:23,783 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2050#(= |getWaterLevel_#res| ~waterLevel~0)} {2026#(= 1 ~waterLevel~0)} #456#return; {2044#(= 1 |__utac_acc__Specification3_spec__1_#t~ret69|)} is VALID [2020-07-10 13:57:23,783 INFO L280 TraceCheckUtils]: 51: Hoare triple {2044#(= 1 |__utac_acc__Specification3_spec__1_#t~ret69|)} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp___0~1 := #t~ret69;havoc #t~ret69; {2045#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-10 13:57:23,784 INFO L280 TraceCheckUtils]: 52: Hoare triple {2045#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == ~tmp___0~1; {2022#false} is VALID [2020-07-10 13:57:23,784 INFO L263 TraceCheckUtils]: 53: Hoare triple {2022#false} call #t~ret70 := isPumpRunning(); {2021#true} is VALID [2020-07-10 13:57:23,785 INFO L280 TraceCheckUtils]: 54: Hoare triple {2021#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {2021#true} is VALID [2020-07-10 13:57:23,785 INFO L280 TraceCheckUtils]: 55: Hoare triple {2021#true} assume true; {2021#true} is VALID [2020-07-10 13:57:23,785 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2021#true} {2022#false} #458#return; {2022#false} is VALID [2020-07-10 13:57:23,785 INFO L280 TraceCheckUtils]: 57: Hoare triple {2022#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___1~1 := #t~ret70;havoc #t~ret70; {2022#false} is VALID [2020-07-10 13:57:23,785 INFO L280 TraceCheckUtils]: 58: Hoare triple {2022#false} assume !(0 != ~tmp___1~1); {2022#false} is VALID [2020-07-10 13:57:23,786 INFO L263 TraceCheckUtils]: 59: Hoare triple {2022#false} call __automaton_fail(); {2022#false} is VALID [2020-07-10 13:57:23,786 INFO L280 TraceCheckUtils]: 60: Hoare triple {2022#false} assume !false; {2022#false} is VALID [2020-07-10 13:57:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:57:23,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694220812] [2020-07-10 13:57:23,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:57:23,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 13:57:23,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769419679] [2020-07-10 13:57:23,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-10 13:57:23,796 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:57:23,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 13:57:23,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:23,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 13:57:23,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:57:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 13:57:23,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-10 13:57:23,873 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2020-07-10 13:57:24,705 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:57:29,091 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:29,631 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:30,083 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:30,376 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:57:31,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:31,726 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2020-07-10 13:57:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 13:57:31,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-10 13:57:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:57:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 13:57:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 259 transitions. [2020-07-10 13:57:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 13:57:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 259 transitions. [2020-07-10 13:57:31,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 259 transitions. [2020-07-10 13:57:32,603 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 259 edges. 259 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:32,609 INFO L225 Difference]: With dead ends: 209 [2020-07-10 13:57:32,609 INFO L226 Difference]: Without dead ends: 151 [2020-07-10 13:57:32,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-10 13:57:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-10 13:57:34,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 136. [2020-07-10 13:57:34,015 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:57:34,016 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 136 states. [2020-07-10 13:57:34,016 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 136 states. [2020-07-10 13:57:34,016 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 136 states. [2020-07-10 13:57:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:34,025 INFO L93 Difference]: Finished difference Result 151 states and 182 transitions. [2020-07-10 13:57:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2020-07-10 13:57:34,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:34,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:34,026 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 151 states. [2020-07-10 13:57:34,026 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 151 states. [2020-07-10 13:57:34,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:34,034 INFO L93 Difference]: Finished difference Result 151 states and 182 transitions. [2020-07-10 13:57:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2020-07-10 13:57:34,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:34,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:34,035 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:57:34,035 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:57:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-10 13:57:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2020-07-10 13:57:34,041 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 61 [2020-07-10 13:57:34,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:57:34,041 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2020-07-10 13:57:34,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 13:57:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2020-07-10 13:57:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-10 13:57:34,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:34,043 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] [2020-07-10 13:57:34,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 13:57:34,043 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:34,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:34,044 INFO L82 PathProgramCache]: Analyzing trace with hash 236169914, now seen corresponding path program 1 times [2020-07-10 13:57:34,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:34,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471552318] [2020-07-10 13:57:34,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,358 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:57:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,428 INFO L280 TraceCheckUtils]: 0: Hoare triple {2886#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,429 INFO L280 TraceCheckUtils]: 1: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume true; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,430 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2862#(= 0 ~pumpRunning~0)} {2857#true} #462#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,433 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,433 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #380#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,437 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #382#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,441 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2857#true} is VALID [2020-07-10 13:57:34,441 INFO L280 TraceCheckUtils]: 1: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,442 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #384#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,450 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #386#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,462 INFO L280 TraceCheckUtils]: 0: Hoare triple {2887#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2857#true} is VALID [2020-07-10 13:57:34,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,463 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2857#true} {2858#false} #434#return; {2858#false} is VALID [2020-07-10 13:57:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,465 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2857#true} {2858#false} #436#return; {2858#false} is VALID [2020-07-10 13:57:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,468 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {2857#true} is VALID [2020-07-10 13:57:34,469 INFO L280 TraceCheckUtils]: 1: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,469 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2857#true} {2858#false} #454#return; {2858#false} is VALID [2020-07-10 13:57:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,472 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {2857#true} is VALID [2020-07-10 13:57:34,472 INFO L280 TraceCheckUtils]: 1: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,472 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2857#true} {2858#false} #456#return; {2858#false} is VALID [2020-07-10 13:57:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:57:34,475 INFO L280 TraceCheckUtils]: 0: Hoare triple {2857#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {2857#true} is VALID [2020-07-10 13:57:34,475 INFO L280 TraceCheckUtils]: 1: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,475 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2857#true} {2858#false} #458#return; {2858#false} is VALID [2020-07-10 13:57:34,480 INFO L263 TraceCheckUtils]: 0: Hoare triple {2857#true} call ULTIMATE.init(); {2886#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:57:34,485 INFO L280 TraceCheckUtils]: 1: Hoare triple {2886#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.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~string29.offset| |old(#t~string29.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#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~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,486 INFO L280 TraceCheckUtils]: 2: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume true; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,486 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2862#(= 0 ~pumpRunning~0)} {2857#true} #462#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,487 INFO L263 TraceCheckUtils]: 4: Hoare triple {2862#(= 0 ~pumpRunning~0)} call #t~ret72 := main(); {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,487 INFO L280 TraceCheckUtils]: 5: Hoare triple {2862#(= 0 ~pumpRunning~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,488 INFO L263 TraceCheckUtils]: 6: Hoare triple {2862#(= 0 ~pumpRunning~0)} call select_helpers(); {2857#true} is VALID [2020-07-10 13:57:34,488 INFO L280 TraceCheckUtils]: 7: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,488 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #380#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,489 INFO L263 TraceCheckUtils]: 9: Hoare triple {2862#(= 0 ~pumpRunning~0)} call select_features(); {2857#true} is VALID [2020-07-10 13:57:34,489 INFO L280 TraceCheckUtils]: 10: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,489 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #382#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,490 INFO L263 TraceCheckUtils]: 12: Hoare triple {2862#(= 0 ~pumpRunning~0)} call #t~ret71 := valid_product(); {2857#true} is VALID [2020-07-10 13:57:34,490 INFO L280 TraceCheckUtils]: 13: Hoare triple {2857#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2857#true} is VALID [2020-07-10 13:57:34,490 INFO L280 TraceCheckUtils]: 14: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,491 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #384#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,491 INFO L280 TraceCheckUtils]: 16: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,492 INFO L280 TraceCheckUtils]: 17: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume 0 != ~tmp~6; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,492 INFO L263 TraceCheckUtils]: 18: Hoare triple {2862#(= 0 ~pumpRunning~0)} call setup(); {2857#true} is VALID [2020-07-10 13:57:34,492 INFO L280 TraceCheckUtils]: 19: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,493 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2857#true} {2862#(= 0 ~pumpRunning~0)} #386#return; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,494 INFO L263 TraceCheckUtils]: 21: Hoare triple {2862#(= 0 ~pumpRunning~0)} call runTest(); {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,494 INFO L263 TraceCheckUtils]: 22: Hoare triple {2862#(= 0 ~pumpRunning~0)} call test(); {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,495 INFO L280 TraceCheckUtils]: 23: Hoare triple {2862#(= 0 ~pumpRunning~0)} havoc ~splverifierCounter~0;havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,495 INFO L280 TraceCheckUtils]: 24: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume !false; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,496 INFO L280 TraceCheckUtils]: 25: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume ~splverifierCounter~0 < 4; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,497 INFO L280 TraceCheckUtils]: 26: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet46 && #t~nondet46 <= 2147483647;~tmp~3 := #t~nondet46;havoc #t~nondet46; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,497 INFO L280 TraceCheckUtils]: 27: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp~3); {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,498 INFO L280 TraceCheckUtils]: 28: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet47 && #t~nondet47 <= 2147483647;~tmp___0~0 := #t~nondet47;havoc #t~nondet47; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,498 INFO L280 TraceCheckUtils]: 29: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___0~0); {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,499 INFO L280 TraceCheckUtils]: 30: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp___2~0 := #t~nondet48;havoc #t~nondet48; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,500 INFO L280 TraceCheckUtils]: 31: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet49 && #t~nondet49 <= 2147483647;~tmp___1~0 := #t~nondet49;havoc #t~nondet49; {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,500 INFO L280 TraceCheckUtils]: 32: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___1~0); {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,501 INFO L263 TraceCheckUtils]: 33: Hoare triple {2862#(= 0 ~pumpRunning~0)} call timeShift(); {2862#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:57:34,501 INFO L280 TraceCheckUtils]: 34: Hoare triple {2862#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2858#false} is VALID [2020-07-10 13:57:34,502 INFO L263 TraceCheckUtils]: 35: Hoare triple {2858#false} call lowerWaterLevel(); {2887#(= ~waterLevel~0 |old(~waterLevel~0)|)} is VALID [2020-07-10 13:57:34,502 INFO L280 TraceCheckUtils]: 36: Hoare triple {2887#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2857#true} is VALID [2020-07-10 13:57:34,502 INFO L280 TraceCheckUtils]: 37: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,502 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2857#true} {2858#false} #434#return; {2858#false} is VALID [2020-07-10 13:57:34,503 INFO L280 TraceCheckUtils]: 39: Hoare triple {2858#false} assume 0 != ~systemActive~0; {2858#false} is VALID [2020-07-10 13:57:34,503 INFO L263 TraceCheckUtils]: 40: Hoare triple {2858#false} call processEnvironment(); {2857#true} is VALID [2020-07-10 13:57:34,503 INFO L280 TraceCheckUtils]: 41: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,503 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2857#true} {2858#false} #436#return; {2858#false} is VALID [2020-07-10 13:57:34,503 INFO L263 TraceCheckUtils]: 43: Hoare triple {2858#false} call __utac_acc__Specification3_spec__1(); {2858#false} is VALID [2020-07-10 13:57:34,504 INFO L280 TraceCheckUtils]: 44: Hoare triple {2858#false} havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1; {2858#false} is VALID [2020-07-10 13:57:34,504 INFO L263 TraceCheckUtils]: 45: Hoare triple {2858#false} call #t~ret68 := isMethaneLevelCritical(); {2857#true} is VALID [2020-07-10 13:57:34,504 INFO L280 TraceCheckUtils]: 46: Hoare triple {2857#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~methaneLevelCritical~0;#res := ~retValue_acc~2; {2857#true} is VALID [2020-07-10 13:57:34,504 INFO L280 TraceCheckUtils]: 47: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,505 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2857#true} {2858#false} #454#return; {2858#false} is VALID [2020-07-10 13:57:34,505 INFO L280 TraceCheckUtils]: 49: Hoare triple {2858#false} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~5 := #t~ret68;havoc #t~ret68; {2858#false} is VALID [2020-07-10 13:57:34,505 INFO L280 TraceCheckUtils]: 50: Hoare triple {2858#false} assume !(0 != ~tmp~5); {2858#false} is VALID [2020-07-10 13:57:34,505 INFO L263 TraceCheckUtils]: 51: Hoare triple {2858#false} call #t~ret69 := getWaterLevel(); {2857#true} is VALID [2020-07-10 13:57:34,505 INFO L280 TraceCheckUtils]: 52: Hoare triple {2857#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~waterLevel~0;#res := ~retValue_acc~3; {2857#true} is VALID [2020-07-10 13:57:34,506 INFO L280 TraceCheckUtils]: 53: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,506 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {2857#true} {2858#false} #456#return; {2858#false} is VALID [2020-07-10 13:57:34,506 INFO L280 TraceCheckUtils]: 55: Hoare triple {2858#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp___0~1 := #t~ret69;havoc #t~ret69; {2858#false} is VALID [2020-07-10 13:57:34,506 INFO L280 TraceCheckUtils]: 56: Hoare triple {2858#false} assume 2 == ~tmp___0~1; {2858#false} is VALID [2020-07-10 13:57:34,506 INFO L263 TraceCheckUtils]: 57: Hoare triple {2858#false} call #t~ret70 := isPumpRunning(); {2857#true} is VALID [2020-07-10 13:57:34,507 INFO L280 TraceCheckUtils]: 58: Hoare triple {2857#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~pumpRunning~0;#res := ~retValue_acc~8; {2857#true} is VALID [2020-07-10 13:57:34,507 INFO L280 TraceCheckUtils]: 59: Hoare triple {2857#true} assume true; {2857#true} is VALID [2020-07-10 13:57:34,507 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {2857#true} {2858#false} #458#return; {2858#false} is VALID [2020-07-10 13:57:34,507 INFO L280 TraceCheckUtils]: 61: Hoare triple {2858#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___1~1 := #t~ret70;havoc #t~ret70; {2858#false} is VALID [2020-07-10 13:57:34,507 INFO L280 TraceCheckUtils]: 62: Hoare triple {2858#false} assume !(0 != ~tmp___1~1); {2858#false} is VALID [2020-07-10 13:57:34,508 INFO L263 TraceCheckUtils]: 63: Hoare triple {2858#false} call __automaton_fail(); {2858#false} is VALID [2020-07-10 13:57:34,508 INFO L280 TraceCheckUtils]: 64: Hoare triple {2858#false} assume !false; {2858#false} is VALID [2020-07-10 13:57:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:57:34,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471552318] [2020-07-10 13:57:34,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:57:34,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 13:57:34,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109565199] [2020-07-10 13:57:34,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-10 13:57:34,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:57:34,517 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 13:57:34,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:34,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 13:57:34,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:57:34,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 13:57:34,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-10 13:57:34,602 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 5 states. [2020-07-10 13:57:35,181 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:57:38,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:38,239 INFO L93 Difference]: Finished difference Result 205 states and 247 transitions. [2020-07-10 13:57:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 13:57:38,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-10 13:57:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:57:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 13:57:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-10 13:57:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 13:57:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-10 13:57:38,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 202 transitions. [2020-07-10 13:57:38,842 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:38,846 INFO L225 Difference]: With dead ends: 205 [2020-07-10 13:57:38,847 INFO L226 Difference]: Without dead ends: 136 [2020-07-10 13:57:38,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-10 13:57:38,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-10 13:57:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2020-07-10 13:57:40,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:57:40,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 136 states. Second operand 123 states. [2020-07-10 13:57:40,104 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 123 states. [2020-07-10 13:57:40,104 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 123 states. [2020-07-10 13:57:40,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:40,110 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2020-07-10 13:57:40,110 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-10 13:57:40,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:40,111 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:40,112 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 136 states. [2020-07-10 13:57:40,112 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 136 states. [2020-07-10 13:57:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:40,117 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2020-07-10 13:57:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-10 13:57:40,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:40,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:40,118 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:57:40,118 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:57:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-10 13:57:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2020-07-10 13:57:40,123 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 65 [2020-07-10 13:57:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:57:40,123 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2020-07-10 13:57:40,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 13:57:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2020-07-10 13:57:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-10 13:57:40,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:40,124 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] [2020-07-10 13:57:40,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 13:57:40,125 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:40,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:40,125 INFO L82 PathProgramCache]: Analyzing trace with hash 993675046, now seen corresponding path program 1 times [2020-07-10 13:57:40,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:40,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622439367] [2020-07-10 13:57:40,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:57:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:57:40,300 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 13:57:40,300 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 13:57:40,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-10 13:57:40,424 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-10 13:57:40,424 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-10 13:57:40,424 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-10 13:57:40,424 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-10 13:57:40,424 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 13:57:40,424 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:57:40,424 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:57:40,425 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: processEnvironmentFINAL has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-10 13:57:40,426 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-10 13:57:40,427 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:57:40,428 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L250-2 has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L250-2 has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L250-2 has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L307-2 has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L307-2 has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L307-2 has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-10 13:57:40,429 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseFINAL has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-10 13:57:40,430 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: L687 has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: L687 has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-10 13:57:40,431 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: L367 has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: L367 has no Hoare annotation [2020-07-10 13:57:40,432 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: L114-1 has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: L621 has no Hoare annotation [2020-07-10 13:57:40,433 WARN L170 areAnnotationChecker]: L621 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-10 13:57:40,434 WARN L170 areAnnotationChecker]: L102-1 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L333 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L333 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L859-1 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L859-1 has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-10 13:57:40,435 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseEXIT has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: L709-2 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: L512 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: L512 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-10 13:57:40,436 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L687-1 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L600 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L600 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2020-07-10 13:57:40,437 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: L139-2 has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: L662-1 has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:57:40,438 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: L630 has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: L630 has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: L754-1 has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: L788-1 has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: L865-1 has no Hoare annotation [2020-07-10 13:57:40,439 WARN L170 areAnnotationChecker]: L865-1 has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: L256 has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: L256 has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-10 13:57:40,440 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L668-1 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L764-1 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: L863-1 has no Hoare annotation [2020-07-10 13:57:40,441 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: L389 has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: L389 has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: L664 has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: L664 has no Hoare annotation [2020-07-10 13:57:40,442 WARN L170 areAnnotationChecker]: L326-1 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L760-1 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-10 13:57:40,443 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L562-1 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L762-1 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L256-1 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L313-1 has no Hoare annotation [2020-07-10 13:57:40,444 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: L820 has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: L721-2 has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,445 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-10 13:57:40,446 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L392-2 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L392-2 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L392-2 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L668 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L668 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-10 13:57:40,447 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L760 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L760 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L793 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L824 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L824 has no Hoare annotation [2020-07-10 13:57:40,448 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L408-1 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L424-1 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L326 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L326 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-10 13:57:40,449 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L825 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L825 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-10 13:57:40,450 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L803 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L732-1 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L393 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L393 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-10 13:57:40,451 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L590 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L590 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-10 13:57:40,452 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L826 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L826 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L424 has no Hoare annotation [2020-07-10 13:57:40,453 WARN L170 areAnnotationChecker]: L424 has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:40,454 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:40,455 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:40,455 WARN L170 areAnnotationChecker]: L408 has no Hoare annotation [2020-07-10 13:57:40,455 WARN L170 areAnnotationChecker]: L408 has no Hoare annotation [2020-07-10 13:57:40,455 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. [2020-07-10 13:57:40,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:57:40 BoogieIcfgContainer [2020-07-10 13:57:40,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 13:57:40,460 INFO L168 Benchmark]: Toolchain (without parser) took 40888.95 ms. Allocated memory was 146.3 MB in the beginning and 567.8 MB in the end (delta: 421.5 MB). Free memory was 103.5 MB in the beginning and 112.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 412.6 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:40,461 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 13:57:40,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.52 ms. Allocated memory was 146.3 MB in the beginning and 199.8 MB in the end (delta: 53.5 MB). Free memory was 103.3 MB in the beginning and 168.5 MB in the end (delta: -65.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:40,462 INFO L168 Benchmark]: Boogie Preprocessor took 152.74 ms. Allocated memory is still 199.8 MB. Free memory was 168.5 MB in the beginning and 163.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:40,463 INFO L168 Benchmark]: RCFGBuilder took 1579.36 ms. Allocated memory was 199.8 MB in the beginning and 235.4 MB in the end (delta: 35.7 MB). Free memory was 163.1 MB in the beginning and 99.1 MB in the end (delta: 64.0 MB). Peak memory consumption was 99.7 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:40,463 INFO L168 Benchmark]: TraceAbstraction took 38458.07 ms. Allocated memory was 235.4 MB in the beginning and 567.8 MB in the end (delta: 332.4 MB). Free memory was 99.1 MB in the beginning and 112.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 319.0 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:40,467 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 0.47 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.52 ms. Allocated memory was 146.3 MB in the beginning and 199.8 MB in the end (delta: 53.5 MB). Free memory was 103.3 MB in the beginning and 168.5 MB in the end (delta: -65.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.74 ms. Allocated memory is still 199.8 MB. Free memory was 168.5 MB in the beginning and 163.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1579.36 ms. Allocated memory was 199.8 MB in the beginning and 235.4 MB in the end (delta: 35.7 MB). Free memory was 163.1 MB in the beginning and 99.1 MB in the end (delta: 64.0 MB). Peak memory consumption was 99.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38458.07 ms. Allocated memory was 235.4 MB in the beginning and 567.8 MB in the end (delta: 332.4 MB). Free memory was 99.1 MB in the beginning and 112.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 319.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L781] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=142, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int retValue_acc ; [L855] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L861] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L861] tmp = valid_product() [L863] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L865] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L866] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L848] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L552] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L554] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L560] tmp = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L564] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=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] [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___2)) [L588] tmp___1 = __VERIFIER_nondet_int() [L590] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=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=0, tmp___2=0, waterLevel=2] [L597] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L754] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] tmp = isMethaneLevelCritical() [L756] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L760] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] tmp___0 = getWaterLevel() [L762] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L764] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L764] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L764] tmp___1 = isPumpRunning() [L766] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L770] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 38.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 28.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 474 SDslu, 215 SDs, 0 SdLazy, 1003 SolverSat, 274 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 101 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 80396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...