/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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:19:32,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:19:32,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:19:32,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:19:32,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:19:32,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:19:32,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:19:32,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:19:32,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:19:32,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:19:32,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:19:32,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:19:32,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:19:32,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:19:32,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:19:32,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:19:32,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:19:32,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:19:32,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:19:32,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:19:32,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:19:32,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:19:32,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:19:32,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:19:32,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:19:32,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:19:32,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:19:32,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:19:32,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:19:32,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:19:32,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:19:32,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:19:32,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:19:32,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:19:32,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:19:32,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:19:32,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:19:33,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:19:33,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:19:33,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:19:33,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:19:33,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 21:19:33,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:19:33,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:19:33,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:19:33,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:19:33,034 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:19:33,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:19:33,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:19:33,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:19:33,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:19:33,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:19:33,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:19:33,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:19:33,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:19:33,035 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:19:33,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:19:33,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:19:33,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:19:33,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:19:33,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:19:33,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:19:33,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:19:33,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:19:33,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:19:33,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:19:33,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:19:33,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:19:33,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:19:33,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:19:33,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:19:33,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:19:33,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:19:33,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:19:33,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:19:33,388 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:19:33,388 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:19:33,388 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c [2020-07-17 21:19:33,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ff4e392/7d3dbacc40ec451d88b374bdaa904355/FLAGa2ccb7937 [2020-07-17 21:19:33,978 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:19:33,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product04.cil.c [2020-07-17 21:19:33,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ff4e392/7d3dbacc40ec451d88b374bdaa904355/FLAGa2ccb7937 [2020-07-17 21:19:34,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ff4e392/7d3dbacc40ec451d88b374bdaa904355 [2020-07-17 21:19:34,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:19:34,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:19:34,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:19:34,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:19:34,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:19:34,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:34,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47589c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34, skipping insertion in model container [2020-07-17 21:19:34,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:34,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:19:34,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:19:34,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:19:34,792 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:19:34,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:19:34,957 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:19:34,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34 WrapperNode [2020-07-17 21:19:34,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:19:34,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:19:34,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:19:34,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:19:34,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:34,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:34,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:34,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:35,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:35,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:35,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... [2020-07-17 21:19:35,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:19:35,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:19:35,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:19:35,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:19:35,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:19:35,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:19:35,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:19:35,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:19:35,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:19:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:19:35,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:19:35,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:19:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:19:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:19:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:19:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:19:35,133 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:19:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:19:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:19:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:19:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:19:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:19:35,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:19:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:19:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:19:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:19:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:19:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:19:35,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:19:35,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:19:35,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:19:35,136 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 21:19:35,136 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 21:19:35,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:19:35,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:19:35,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:19:35,136 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:19:35,136 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:19:35,137 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:19:35,137 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:19:35,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:19:35,137 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:19:35,137 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:19:35,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:19:35,137 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:19:35,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:19:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:19:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:19:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:19:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:19:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:19:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:19:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:19:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:19:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:19:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:19:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:19:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:19:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:19:35,140 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:19:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:19:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:19:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:19:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:19:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:19:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:19:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:19:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 21:19:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 21:19:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:19:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:19:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:19:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:19:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:19:36,703 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:19:36,703 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:19:36,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:19:36 BoogieIcfgContainer [2020-07-17 21:19:36,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:19:36,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:19:36,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:19:36,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:19:36,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:19:34" (1/3) ... [2020-07-17 21:19:36,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8436ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:19:36, skipping insertion in model container [2020-07-17 21:19:36,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:34" (2/3) ... [2020-07-17 21:19:36,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8436ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:19:36, skipping insertion in model container [2020-07-17 21:19:36,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:19:36" (3/3) ... [2020-07-17 21:19:36,717 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2020-07-17 21:19:36,728 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:19:36,736 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:19:36,751 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:19:36,776 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:19:36,777 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:19:36,777 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:19:36,777 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:19:36,778 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:19:36,778 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:19:36,778 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:19:36,779 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:19:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-07-17 21:19:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:19:36,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:36,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:19:36,832 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:36,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:36,840 INFO L82 PathProgramCache]: Analyzing trace with hash -403347124, now seen corresponding path program 1 times [2020-07-17 21:19:36,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:36,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48322865] [2020-07-17 21:19:36,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,629 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,747 INFO L280 TraceCheckUtils]: 0: Hoare triple {172#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {149#true} is VALID [2020-07-17 21:19:37,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,748 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {149#true} {149#true} #461#return; {149#true} is VALID [2020-07-17 21:19:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,761 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,762 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {149#true} {149#true} #379#return; {149#true} is VALID [2020-07-17 21:19:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,766 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,766 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {149#true} {149#true} #381#return; {149#true} is VALID [2020-07-17 21:19:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {149#true} is VALID [2020-07-17 21:19:37,773 INFO L280 TraceCheckUtils]: 1: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,774 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {149#true} {149#true} #383#return; {149#true} is VALID [2020-07-17 21:19:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,781 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,781 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {149#true} {149#true} #385#return; {149#true} is VALID [2020-07-17 21:19:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,791 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {149#true} is VALID [2020-07-17 21:19:37,791 INFO L280 TraceCheckUtils]: 1: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,792 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {149#true} {150#false} #453#return; {150#false} is VALID [2020-07-17 21:19:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,803 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {149#true} is VALID [2020-07-17 21:19:37,803 INFO L280 TraceCheckUtils]: 1: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,804 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {149#true} {150#false} #455#return; {150#false} is VALID [2020-07-17 21:19:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:37,808 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {149#true} is VALID [2020-07-17 21:19:37,808 INFO L280 TraceCheckUtils]: 1: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,809 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {149#true} {150#false} #457#return; {150#false} is VALID [2020-07-17 21:19:37,815 INFO L263 TraceCheckUtils]: 0: Hoare triple {149#true} call ULTIMATE.init(); {172#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:19:37,816 INFO L280 TraceCheckUtils]: 1: Hoare triple {172#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {149#true} is VALID [2020-07-17 21:19:37,816 INFO L280 TraceCheckUtils]: 2: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,816 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {149#true} {149#true} #461#return; {149#true} is VALID [2020-07-17 21:19:37,817 INFO L263 TraceCheckUtils]: 4: Hoare triple {149#true} call #t~ret71 := main(); {149#true} is VALID [2020-07-17 21:19:37,817 INFO L280 TraceCheckUtils]: 5: Hoare triple {149#true} havoc ~retValue_acc~7;havoc ~tmp~3; {149#true} is VALID [2020-07-17 21:19:37,817 INFO L263 TraceCheckUtils]: 6: Hoare triple {149#true} call select_helpers(); {149#true} is VALID [2020-07-17 21:19:37,817 INFO L280 TraceCheckUtils]: 7: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,818 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {149#true} {149#true} #379#return; {149#true} is VALID [2020-07-17 21:19:37,818 INFO L263 TraceCheckUtils]: 9: Hoare triple {149#true} call select_features(); {149#true} is VALID [2020-07-17 21:19:37,818 INFO L280 TraceCheckUtils]: 10: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,819 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {149#true} {149#true} #381#return; {149#true} is VALID [2020-07-17 21:19:37,819 INFO L263 TraceCheckUtils]: 12: Hoare triple {149#true} call #t~ret46 := valid_product(); {149#true} is VALID [2020-07-17 21:19:37,819 INFO L280 TraceCheckUtils]: 13: Hoare triple {149#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {149#true} is VALID [2020-07-17 21:19:37,820 INFO L280 TraceCheckUtils]: 14: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,820 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {149#true} {149#true} #383#return; {149#true} is VALID [2020-07-17 21:19:37,820 INFO L280 TraceCheckUtils]: 16: Hoare triple {149#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46; {149#true} is VALID [2020-07-17 21:19:37,821 INFO L280 TraceCheckUtils]: 17: Hoare triple {149#true} assume 0 != ~tmp~3; {149#true} is VALID [2020-07-17 21:19:37,821 INFO L263 TraceCheckUtils]: 18: Hoare triple {149#true} call setup(); {149#true} is VALID [2020-07-17 21:19:37,821 INFO L280 TraceCheckUtils]: 19: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,822 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {149#true} {149#true} #385#return; {149#true} is VALID [2020-07-17 21:19:37,822 INFO L263 TraceCheckUtils]: 21: Hoare triple {149#true} call runTest(); {149#true} is VALID [2020-07-17 21:19:37,822 INFO L263 TraceCheckUtils]: 22: Hoare triple {149#true} call test(); {149#true} is VALID [2020-07-17 21:19:37,822 INFO L280 TraceCheckUtils]: 23: Hoare triple {149#true} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {149#true} is VALID [2020-07-17 21:19:37,823 INFO L280 TraceCheckUtils]: 24: Hoare triple {149#true} assume false; {150#false} is VALID [2020-07-17 21:19:37,824 INFO L263 TraceCheckUtils]: 25: Hoare triple {150#false} call cleanup(); {150#false} is VALID [2020-07-17 21:19:37,824 INFO L280 TraceCheckUtils]: 26: Hoare triple {150#false} havoc ~i~0;havoc ~__cil_tmp2~0; {150#false} is VALID [2020-07-17 21:19:37,825 INFO L263 TraceCheckUtils]: 27: Hoare triple {150#false} call timeShift(); {150#false} is VALID [2020-07-17 21:19:37,825 INFO L280 TraceCheckUtils]: 28: Hoare triple {150#false} assume !(0 != ~pumpRunning~0); {150#false} is VALID [2020-07-17 21:19:37,825 INFO L280 TraceCheckUtils]: 29: Hoare triple {150#false} assume !(0 != ~systemActive~0); {150#false} is VALID [2020-07-17 21:19:37,826 INFO L263 TraceCheckUtils]: 30: Hoare triple {150#false} call __utac_acc__Specification3_spec__1(); {150#false} is VALID [2020-07-17 21:19:37,826 INFO L280 TraceCheckUtils]: 31: Hoare triple {150#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {150#false} is VALID [2020-07-17 21:19:37,826 INFO L263 TraceCheckUtils]: 32: Hoare triple {150#false} call #t~ret47 := isMethaneLevelCritical(); {149#true} is VALID [2020-07-17 21:19:37,827 INFO L280 TraceCheckUtils]: 33: Hoare triple {149#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {149#true} is VALID [2020-07-17 21:19:37,827 INFO L280 TraceCheckUtils]: 34: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,827 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {149#true} {150#false} #453#return; {150#false} is VALID [2020-07-17 21:19:37,827 INFO L280 TraceCheckUtils]: 36: Hoare triple {150#false} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {150#false} is VALID [2020-07-17 21:19:37,828 INFO L280 TraceCheckUtils]: 37: Hoare triple {150#false} assume !(0 != ~tmp~4); {150#false} is VALID [2020-07-17 21:19:37,828 INFO L263 TraceCheckUtils]: 38: Hoare triple {150#false} call #t~ret48 := getWaterLevel(); {149#true} is VALID [2020-07-17 21:19:37,828 INFO L280 TraceCheckUtils]: 39: Hoare triple {149#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {149#true} is VALID [2020-07-17 21:19:37,829 INFO L280 TraceCheckUtils]: 40: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,829 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {149#true} {150#false} #455#return; {150#false} is VALID [2020-07-17 21:19:37,829 INFO L280 TraceCheckUtils]: 42: Hoare triple {150#false} assume -2147483648 <= #t~ret48 && #t~ret48 <= 2147483647;~tmp___0~0 := #t~ret48;havoc #t~ret48; {150#false} is VALID [2020-07-17 21:19:37,830 INFO L280 TraceCheckUtils]: 43: Hoare triple {150#false} assume 2 == ~tmp___0~0; {150#false} is VALID [2020-07-17 21:19:37,830 INFO L263 TraceCheckUtils]: 44: Hoare triple {150#false} call #t~ret49 := isPumpRunning(); {149#true} is VALID [2020-07-17 21:19:37,830 INFO L280 TraceCheckUtils]: 45: Hoare triple {149#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {149#true} is VALID [2020-07-17 21:19:37,831 INFO L280 TraceCheckUtils]: 46: Hoare triple {149#true} assume true; {149#true} is VALID [2020-07-17 21:19:37,831 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {149#true} {150#false} #457#return; {150#false} is VALID [2020-07-17 21:19:37,831 INFO L280 TraceCheckUtils]: 48: Hoare triple {150#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647;~tmp___1~0 := #t~ret49;havoc #t~ret49; {150#false} is VALID [2020-07-17 21:19:37,832 INFO L280 TraceCheckUtils]: 49: Hoare triple {150#false} assume !(0 != ~tmp___1~0); {150#false} is VALID [2020-07-17 21:19:37,832 INFO L263 TraceCheckUtils]: 50: Hoare triple {150#false} call __automaton_fail(); {150#false} is VALID [2020-07-17 21:19:37,832 INFO L280 TraceCheckUtils]: 51: Hoare triple {150#false} assume !false; {150#false} is VALID [2020-07-17 21:19:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:19:37,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48322865] [2020-07-17 21:19:37,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:37,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:19:37,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664690394] [2020-07-17 21:19:37,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:19:37,854 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:37,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:19:37,948 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:37,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:19:37,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:37,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:19:37,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:19:37,961 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 3 states. [2020-07-17 21:19:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:42,240 INFO L93 Difference]: Finished difference Result 240 states and 317 transitions. [2020-07-17 21:19:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:19:42,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:19:42,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:19:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2020-07-17 21:19:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:19:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2020-07-17 21:19:42,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 317 transitions. [2020-07-17 21:19:43,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 317 edges. 317 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:43,479 INFO L225 Difference]: With dead ends: 240 [2020-07-17 21:19:43,479 INFO L226 Difference]: Without dead ends: 131 [2020-07-17 21:19:43,486 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 [2020-07-17 21:19:43,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-17 21:19:44,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 100. [2020-07-17 21:19:44,667 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:44,667 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 100 states. [2020-07-17 21:19:44,668 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 100 states. [2020-07-17 21:19:44,668 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 100 states. [2020-07-17 21:19:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:44,683 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2020-07-17 21:19:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 165 transitions. [2020-07-17 21:19:44,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:44,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:44,687 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 131 states. [2020-07-17 21:19:44,687 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 131 states. [2020-07-17 21:19:44,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:44,699 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2020-07-17 21:19:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 165 transitions. [2020-07-17 21:19:44,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:44,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:44,702 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:44,703 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-17 21:19:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-07-17 21:19:44,711 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2020-07-17 21:19:44,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:44,711 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-07-17 21:19:44,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:19:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-07-17 21:19:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:19:44,716 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:44,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:19:44,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:19:44,717 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:44,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:44,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1720191538, now seen corresponding path program 1 times [2020-07-17 21:19:44,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:44,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419102862] [2020-07-17 21:19:44,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,157 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,230 INFO L280 TraceCheckUtils]: 0: Hoare triple {941#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {917#true} is VALID [2020-07-17 21:19:45,230 INFO L280 TraceCheckUtils]: 1: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,230 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {917#true} {917#true} #461#return; {917#true} is VALID [2020-07-17 21:19:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,233 INFO L280 TraceCheckUtils]: 0: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,234 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {917#true} {917#true} #379#return; {917#true} is VALID [2020-07-17 21:19:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,237 INFO L280 TraceCheckUtils]: 0: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,237 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {917#true} {917#true} #381#return; {917#true} is VALID [2020-07-17 21:19:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,242 INFO L280 TraceCheckUtils]: 0: Hoare triple {917#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {917#true} is VALID [2020-07-17 21:19:45,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,243 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {917#true} {917#true} #383#return; {917#true} is VALID [2020-07-17 21:19:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,252 INFO L280 TraceCheckUtils]: 0: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,252 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {917#true} {917#true} #385#return; {917#true} is VALID [2020-07-17 21:19:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,256 INFO L280 TraceCheckUtils]: 0: Hoare triple {917#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {917#true} is VALID [2020-07-17 21:19:45,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,257 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {917#true} {918#false} #453#return; {918#false} is VALID [2020-07-17 21:19:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,260 INFO L280 TraceCheckUtils]: 0: Hoare triple {917#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {917#true} is VALID [2020-07-17 21:19:45,261 INFO L280 TraceCheckUtils]: 1: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,261 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {917#true} {918#false} #455#return; {918#false} is VALID [2020-07-17 21:19:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:45,265 INFO L280 TraceCheckUtils]: 0: Hoare triple {917#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {917#true} is VALID [2020-07-17 21:19:45,265 INFO L280 TraceCheckUtils]: 1: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,266 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {917#true} {918#false} #457#return; {918#false} is VALID [2020-07-17 21:19:45,270 INFO L263 TraceCheckUtils]: 0: Hoare triple {917#true} call ULTIMATE.init(); {941#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:19:45,270 INFO L280 TraceCheckUtils]: 1: Hoare triple {941#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {917#true} is VALID [2020-07-17 21:19:45,271 INFO L280 TraceCheckUtils]: 2: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,271 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {917#true} {917#true} #461#return; {917#true} is VALID [2020-07-17 21:19:45,271 INFO L263 TraceCheckUtils]: 4: Hoare triple {917#true} call #t~ret71 := main(); {917#true} is VALID [2020-07-17 21:19:45,271 INFO L280 TraceCheckUtils]: 5: Hoare triple {917#true} havoc ~retValue_acc~7;havoc ~tmp~3; {917#true} is VALID [2020-07-17 21:19:45,272 INFO L263 TraceCheckUtils]: 6: Hoare triple {917#true} call select_helpers(); {917#true} is VALID [2020-07-17 21:19:45,272 INFO L280 TraceCheckUtils]: 7: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,272 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {917#true} {917#true} #379#return; {917#true} is VALID [2020-07-17 21:19:45,272 INFO L263 TraceCheckUtils]: 9: Hoare triple {917#true} call select_features(); {917#true} is VALID [2020-07-17 21:19:45,273 INFO L280 TraceCheckUtils]: 10: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,273 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {917#true} {917#true} #381#return; {917#true} is VALID [2020-07-17 21:19:45,273 INFO L263 TraceCheckUtils]: 12: Hoare triple {917#true} call #t~ret46 := valid_product(); {917#true} is VALID [2020-07-17 21:19:45,273 INFO L280 TraceCheckUtils]: 13: Hoare triple {917#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {917#true} is VALID [2020-07-17 21:19:45,273 INFO L280 TraceCheckUtils]: 14: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,274 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {917#true} {917#true} #383#return; {917#true} is VALID [2020-07-17 21:19:45,274 INFO L280 TraceCheckUtils]: 16: Hoare triple {917#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46; {917#true} is VALID [2020-07-17 21:19:45,274 INFO L280 TraceCheckUtils]: 17: Hoare triple {917#true} assume 0 != ~tmp~3; {917#true} is VALID [2020-07-17 21:19:45,275 INFO L263 TraceCheckUtils]: 18: Hoare triple {917#true} call setup(); {917#true} is VALID [2020-07-17 21:19:45,275 INFO L280 TraceCheckUtils]: 19: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,275 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {917#true} {917#true} #385#return; {917#true} is VALID [2020-07-17 21:19:45,275 INFO L263 TraceCheckUtils]: 21: Hoare triple {917#true} call runTest(); {917#true} is VALID [2020-07-17 21:19:45,276 INFO L263 TraceCheckUtils]: 22: Hoare triple {917#true} call test(); {917#true} is VALID [2020-07-17 21:19:45,278 INFO L280 TraceCheckUtils]: 23: Hoare triple {917#true} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {931#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:19:45,279 INFO L280 TraceCheckUtils]: 24: Hoare triple {931#(= 0 test_~splverifierCounter~0)} assume !false; {931#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:19:45,279 INFO L280 TraceCheckUtils]: 25: Hoare triple {931#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {918#false} is VALID [2020-07-17 21:19:45,280 INFO L263 TraceCheckUtils]: 26: Hoare triple {918#false} call cleanup(); {918#false} is VALID [2020-07-17 21:19:45,280 INFO L280 TraceCheckUtils]: 27: Hoare triple {918#false} havoc ~i~0;havoc ~__cil_tmp2~0; {918#false} is VALID [2020-07-17 21:19:45,280 INFO L263 TraceCheckUtils]: 28: Hoare triple {918#false} call timeShift(); {918#false} is VALID [2020-07-17 21:19:45,282 INFO L280 TraceCheckUtils]: 29: Hoare triple {918#false} assume !(0 != ~pumpRunning~0); {918#false} is VALID [2020-07-17 21:19:45,283 INFO L280 TraceCheckUtils]: 30: Hoare triple {918#false} assume !(0 != ~systemActive~0); {918#false} is VALID [2020-07-17 21:19:45,283 INFO L263 TraceCheckUtils]: 31: Hoare triple {918#false} call __utac_acc__Specification3_spec__1(); {918#false} is VALID [2020-07-17 21:19:45,283 INFO L280 TraceCheckUtils]: 32: Hoare triple {918#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {918#false} is VALID [2020-07-17 21:19:45,284 INFO L263 TraceCheckUtils]: 33: Hoare triple {918#false} call #t~ret47 := isMethaneLevelCritical(); {917#true} is VALID [2020-07-17 21:19:45,284 INFO L280 TraceCheckUtils]: 34: Hoare triple {917#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {917#true} is VALID [2020-07-17 21:19:45,284 INFO L280 TraceCheckUtils]: 35: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,284 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {917#true} {918#false} #453#return; {918#false} is VALID [2020-07-17 21:19:45,285 INFO L280 TraceCheckUtils]: 37: Hoare triple {918#false} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {918#false} is VALID [2020-07-17 21:19:45,285 INFO L280 TraceCheckUtils]: 38: Hoare triple {918#false} assume !(0 != ~tmp~4); {918#false} is VALID [2020-07-17 21:19:45,287 INFO L263 TraceCheckUtils]: 39: Hoare triple {918#false} call #t~ret48 := getWaterLevel(); {917#true} is VALID [2020-07-17 21:19:45,287 INFO L280 TraceCheckUtils]: 40: Hoare triple {917#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {917#true} is VALID [2020-07-17 21:19:45,288 INFO L280 TraceCheckUtils]: 41: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,288 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {917#true} {918#false} #455#return; {918#false} is VALID [2020-07-17 21:19:45,288 INFO L280 TraceCheckUtils]: 43: Hoare triple {918#false} assume -2147483648 <= #t~ret48 && #t~ret48 <= 2147483647;~tmp___0~0 := #t~ret48;havoc #t~ret48; {918#false} is VALID [2020-07-17 21:19:45,288 INFO L280 TraceCheckUtils]: 44: Hoare triple {918#false} assume 2 == ~tmp___0~0; {918#false} is VALID [2020-07-17 21:19:45,289 INFO L263 TraceCheckUtils]: 45: Hoare triple {918#false} call #t~ret49 := isPumpRunning(); {917#true} is VALID [2020-07-17 21:19:45,289 INFO L280 TraceCheckUtils]: 46: Hoare triple {917#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {917#true} is VALID [2020-07-17 21:19:45,289 INFO L280 TraceCheckUtils]: 47: Hoare triple {917#true} assume true; {917#true} is VALID [2020-07-17 21:19:45,289 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {917#true} {918#false} #457#return; {918#false} is VALID [2020-07-17 21:19:45,290 INFO L280 TraceCheckUtils]: 49: Hoare triple {918#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647;~tmp___1~0 := #t~ret49;havoc #t~ret49; {918#false} is VALID [2020-07-17 21:19:45,290 INFO L280 TraceCheckUtils]: 50: Hoare triple {918#false} assume !(0 != ~tmp___1~0); {918#false} is VALID [2020-07-17 21:19:45,290 INFO L263 TraceCheckUtils]: 51: Hoare triple {918#false} call __automaton_fail(); {918#false} is VALID [2020-07-17 21:19:45,291 INFO L280 TraceCheckUtils]: 52: Hoare triple {918#false} assume !false; {918#false} is VALID [2020-07-17 21:19:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:19:45,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419102862] [2020-07-17 21:19:45,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:45,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:19:45,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15377727] [2020-07-17 21:19:45,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:19:45,301 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:45,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:19:45,392 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:45,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:19:45,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:45,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:19:45,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:19:45,394 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 4 states. [2020-07-17 21:19:46,814 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:19:49,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:49,617 INFO L93 Difference]: Finished difference Result 160 states and 194 transitions. [2020-07-17 21:19:49,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:19:49,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:19:49,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:19:49,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2020-07-17 21:19:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:19:49,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 194 transitions. [2020-07-17 21:19:49,630 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 194 transitions. [2020-07-17 21:19:50,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 194 edges. 194 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:50,375 INFO L225 Difference]: With dead ends: 160 [2020-07-17 21:19:50,375 INFO L226 Difference]: Without dead ends: 115 [2020-07-17 21:19:50,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:19:50,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-17 21:19:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2020-07-17 21:19:51,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:51,590 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 91 states. [2020-07-17 21:19:51,590 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 91 states. [2020-07-17 21:19:51,590 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 91 states. [2020-07-17 21:19:51,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:51,598 INFO L93 Difference]: Finished difference Result 115 states and 141 transitions. [2020-07-17 21:19:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2020-07-17 21:19:51,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:51,600 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:51,600 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 115 states. [2020-07-17 21:19:51,600 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 115 states. [2020-07-17 21:19:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:51,607 INFO L93 Difference]: Finished difference Result 115 states and 141 transitions. [2020-07-17 21:19:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2020-07-17 21:19:51,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:51,609 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:51,609 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:51,610 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-17 21:19:51,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2020-07-17 21:19:51,614 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 53 [2020-07-17 21:19:51,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:51,614 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2020-07-17 21:19:51,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:19:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2020-07-17 21:19:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 21:19:51,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:51,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:19:51,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:19:51,617 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:51,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:51,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1933430427, now seen corresponding path program 1 times [2020-07-17 21:19:51,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:51,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574858702] [2020-07-17 21:19:51,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,097 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,211 INFO L280 TraceCheckUtils]: 0: Hoare triple {1566#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,212 INFO L280 TraceCheckUtils]: 1: Hoare triple {1544#(= 1 ~systemActive~0)} assume true; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,212 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1544#(= 1 ~systemActive~0)} {1539#true} #461#return; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,216 INFO L280 TraceCheckUtils]: 0: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,217 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1539#true} {1544#(= 1 ~systemActive~0)} #379#return; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,224 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1539#true} {1544#(= 1 ~systemActive~0)} #381#return; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,292 INFO L280 TraceCheckUtils]: 0: Hoare triple {1539#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:52,293 INFO L280 TraceCheckUtils]: 1: Hoare triple {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:52,294 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1544#(= 1 ~systemActive~0)} #383#return; {1552#(= |main_#t~ret46| ~systemActive~0)} is VALID [2020-07-17 21:19:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,299 INFO L280 TraceCheckUtils]: 0: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,300 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1539#true} {1554#(not (= 0 ~systemActive~0))} #385#return; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,304 INFO L280 TraceCheckUtils]: 0: Hoare triple {1539#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {1539#true} is VALID [2020-07-17 21:19:52,305 INFO L280 TraceCheckUtils]: 1: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,305 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1539#true} {1540#false} #453#return; {1540#false} is VALID [2020-07-17 21:19:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,309 INFO L280 TraceCheckUtils]: 0: Hoare triple {1539#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {1539#true} is VALID [2020-07-17 21:19:52,310 INFO L280 TraceCheckUtils]: 1: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,310 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1539#true} {1540#false} #455#return; {1540#false} is VALID [2020-07-17 21:19:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:52,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {1539#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {1539#true} is VALID [2020-07-17 21:19:52,314 INFO L280 TraceCheckUtils]: 1: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,314 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1539#true} {1540#false} #457#return; {1540#false} is VALID [2020-07-17 21:19:52,320 INFO L263 TraceCheckUtils]: 0: Hoare triple {1539#true} call ULTIMATE.init(); {1566#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:19:52,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {1566#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {1544#(= 1 ~systemActive~0)} assume true; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,328 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1544#(= 1 ~systemActive~0)} {1539#true} #461#return; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,329 INFO L263 TraceCheckUtils]: 4: Hoare triple {1544#(= 1 ~systemActive~0)} call #t~ret71 := main(); {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,330 INFO L280 TraceCheckUtils]: 5: Hoare triple {1544#(= 1 ~systemActive~0)} havoc ~retValue_acc~7;havoc ~tmp~3; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,331 INFO L263 TraceCheckUtils]: 6: Hoare triple {1544#(= 1 ~systemActive~0)} call select_helpers(); {1539#true} is VALID [2020-07-17 21:19:52,331 INFO L280 TraceCheckUtils]: 7: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,332 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1539#true} {1544#(= 1 ~systemActive~0)} #379#return; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,332 INFO L263 TraceCheckUtils]: 9: Hoare triple {1544#(= 1 ~systemActive~0)} call select_features(); {1539#true} is VALID [2020-07-17 21:19:52,333 INFO L280 TraceCheckUtils]: 10: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,334 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1539#true} {1544#(= 1 ~systemActive~0)} #381#return; {1544#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:52,334 INFO L263 TraceCheckUtils]: 12: Hoare triple {1544#(= 1 ~systemActive~0)} call #t~ret46 := valid_product(); {1539#true} is VALID [2020-07-17 21:19:52,335 INFO L280 TraceCheckUtils]: 13: Hoare triple {1539#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:52,336 INFO L280 TraceCheckUtils]: 14: Hoare triple {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:52,338 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1567#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1544#(= 1 ~systemActive~0)} #383#return; {1552#(= |main_#t~ret46| ~systemActive~0)} is VALID [2020-07-17 21:19:52,339 INFO L280 TraceCheckUtils]: 16: Hoare triple {1552#(= |main_#t~ret46| ~systemActive~0)} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46; {1553#(= main_~tmp~3 ~systemActive~0)} is VALID [2020-07-17 21:19:52,340 INFO L280 TraceCheckUtils]: 17: Hoare triple {1553#(= main_~tmp~3 ~systemActive~0)} assume 0 != ~tmp~3; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,340 INFO L263 TraceCheckUtils]: 18: Hoare triple {1554#(not (= 0 ~systemActive~0))} call setup(); {1539#true} is VALID [2020-07-17 21:19:52,340 INFO L280 TraceCheckUtils]: 19: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,341 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1539#true} {1554#(not (= 0 ~systemActive~0))} #385#return; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,342 INFO L263 TraceCheckUtils]: 21: Hoare triple {1554#(not (= 0 ~systemActive~0))} call runTest(); {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,343 INFO L263 TraceCheckUtils]: 22: Hoare triple {1554#(not (= 0 ~systemActive~0))} call test(); {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,343 INFO L280 TraceCheckUtils]: 23: Hoare triple {1554#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,344 INFO L280 TraceCheckUtils]: 24: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume !false; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,345 INFO L280 TraceCheckUtils]: 25: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,345 INFO L280 TraceCheckUtils]: 26: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet67 && #t~nondet67 <= 2147483647;~tmp~5 := #t~nondet67;havoc #t~nondet67; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,346 INFO L280 TraceCheckUtils]: 27: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~5); {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,347 INFO L280 TraceCheckUtils]: 28: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet68 && #t~nondet68 <= 2147483647;~tmp___0~1 := #t~nondet68;havoc #t~nondet68; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,348 INFO L280 TraceCheckUtils]: 29: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,349 INFO L280 TraceCheckUtils]: 30: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet69 && #t~nondet69 <= 2147483647;~tmp___2~0 := #t~nondet69;havoc #t~nondet69; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,350 INFO L280 TraceCheckUtils]: 31: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet70 && #t~nondet70 <= 2147483647;~tmp___1~1 := #t~nondet70;havoc #t~nondet70; {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,351 INFO L280 TraceCheckUtils]: 32: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~1); {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,352 INFO L263 TraceCheckUtils]: 33: Hoare triple {1554#(not (= 0 ~systemActive~0))} call timeShift(); {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,353 INFO L280 TraceCheckUtils]: 34: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1554#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:52,353 INFO L280 TraceCheckUtils]: 35: Hoare triple {1554#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1540#false} is VALID [2020-07-17 21:19:52,354 INFO L263 TraceCheckUtils]: 36: Hoare triple {1540#false} call __utac_acc__Specification3_spec__1(); {1540#false} is VALID [2020-07-17 21:19:52,354 INFO L280 TraceCheckUtils]: 37: Hoare triple {1540#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {1540#false} is VALID [2020-07-17 21:19:52,354 INFO L263 TraceCheckUtils]: 38: Hoare triple {1540#false} call #t~ret47 := isMethaneLevelCritical(); {1539#true} is VALID [2020-07-17 21:19:52,355 INFO L280 TraceCheckUtils]: 39: Hoare triple {1539#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {1539#true} is VALID [2020-07-17 21:19:52,355 INFO L280 TraceCheckUtils]: 40: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,355 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1539#true} {1540#false} #453#return; {1540#false} is VALID [2020-07-17 21:19:52,356 INFO L280 TraceCheckUtils]: 42: Hoare triple {1540#false} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {1540#false} is VALID [2020-07-17 21:19:52,356 INFO L280 TraceCheckUtils]: 43: Hoare triple {1540#false} assume !(0 != ~tmp~4); {1540#false} is VALID [2020-07-17 21:19:52,356 INFO L263 TraceCheckUtils]: 44: Hoare triple {1540#false} call #t~ret48 := getWaterLevel(); {1539#true} is VALID [2020-07-17 21:19:52,356 INFO L280 TraceCheckUtils]: 45: Hoare triple {1539#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {1539#true} is VALID [2020-07-17 21:19:52,357 INFO L280 TraceCheckUtils]: 46: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,357 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1539#true} {1540#false} #455#return; {1540#false} is VALID [2020-07-17 21:19:52,357 INFO L280 TraceCheckUtils]: 48: Hoare triple {1540#false} assume -2147483648 <= #t~ret48 && #t~ret48 <= 2147483647;~tmp___0~0 := #t~ret48;havoc #t~ret48; {1540#false} is VALID [2020-07-17 21:19:52,357 INFO L280 TraceCheckUtils]: 49: Hoare triple {1540#false} assume 2 == ~tmp___0~0; {1540#false} is VALID [2020-07-17 21:19:52,358 INFO L263 TraceCheckUtils]: 50: Hoare triple {1540#false} call #t~ret49 := isPumpRunning(); {1539#true} is VALID [2020-07-17 21:19:52,358 INFO L280 TraceCheckUtils]: 51: Hoare triple {1539#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {1539#true} is VALID [2020-07-17 21:19:52,358 INFO L280 TraceCheckUtils]: 52: Hoare triple {1539#true} assume true; {1539#true} is VALID [2020-07-17 21:19:52,359 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1539#true} {1540#false} #457#return; {1540#false} is VALID [2020-07-17 21:19:52,359 INFO L280 TraceCheckUtils]: 54: Hoare triple {1540#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647;~tmp___1~0 := #t~ret49;havoc #t~ret49; {1540#false} is VALID [2020-07-17 21:19:52,359 INFO L280 TraceCheckUtils]: 55: Hoare triple {1540#false} assume !(0 != ~tmp___1~0); {1540#false} is VALID [2020-07-17 21:19:52,359 INFO L263 TraceCheckUtils]: 56: Hoare triple {1540#false} call __automaton_fail(); {1540#false} is VALID [2020-07-17 21:19:52,360 INFO L280 TraceCheckUtils]: 57: Hoare triple {1540#false} assume !false; {1540#false} is VALID [2020-07-17 21:19:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:19:52,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574858702] [2020-07-17 21:19:52,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:52,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:19:52,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597050710] [2020-07-17 21:19:52,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:19:52,371 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:52,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:19:52,470 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:52,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:19:52,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:52,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:19:52,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:19:52,471 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 8 states. [2020-07-17 21:19:53,424 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:19:54,520 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:19:55,028 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:55,392 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:59,757 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:20:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:07,253 INFO L93 Difference]: Finished difference Result 326 states and 401 transitions. [2020-07-17 21:20:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:20:07,253 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:20:07,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 401 transitions. [2020-07-17 21:20:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 401 transitions. [2020-07-17 21:20:07,273 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 401 transitions. [2020-07-17 21:20:08,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 401 edges. 401 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:08,812 INFO L225 Difference]: With dead ends: 326 [2020-07-17 21:20:08,812 INFO L226 Difference]: Without dead ends: 259 [2020-07-17 21:20:08,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 21:20:08,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-07-17 21:20:11,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 190. [2020-07-17 21:20:11,272 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:11,272 INFO L82 GeneralOperation]: Start isEquivalent. First operand 259 states. Second operand 190 states. [2020-07-17 21:20:11,272 INFO L74 IsIncluded]: Start isIncluded. First operand 259 states. Second operand 190 states. [2020-07-17 21:20:11,273 INFO L87 Difference]: Start difference. First operand 259 states. Second operand 190 states. [2020-07-17 21:20:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:11,287 INFO L93 Difference]: Finished difference Result 259 states and 315 transitions. [2020-07-17 21:20:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 315 transitions. [2020-07-17 21:20:11,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:11,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:11,289 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 259 states. [2020-07-17 21:20:11,289 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 259 states. [2020-07-17 21:20:11,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:11,303 INFO L93 Difference]: Finished difference Result 259 states and 315 transitions. [2020-07-17 21:20:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 315 transitions. [2020-07-17 21:20:11,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:11,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:11,305 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:11,305 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-07-17 21:20:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 225 transitions. [2020-07-17 21:20:11,313 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 225 transitions. Word has length 58 [2020-07-17 21:20:11,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:11,314 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 225 transitions. [2020-07-17 21:20:11,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:20:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2020-07-17 21:20:11,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 21:20:11,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:11,316 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] [2020-07-17 21:20:11,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:20:11,316 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:11,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1944220283, now seen corresponding path program 1 times [2020-07-17 21:20:11,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:11,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981187786] [2020-07-17 21:20:11,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,728 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,824 INFO L280 TraceCheckUtils]: 0: Hoare triple {2854#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,825 INFO L280 TraceCheckUtils]: 1: Hoare triple {2831#(= 1 ~waterLevel~0)} assume true; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,825 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2831#(= 1 ~waterLevel~0)} {2826#true} #461#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,834 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,835 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #379#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,840 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,842 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #381#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {2826#true} is VALID [2020-07-17 21:20:11,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,851 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #383#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,855 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,855 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #385#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,860 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,861 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #435#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,865 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {2826#true} is VALID [2020-07-17 21:20:11,866 INFO L280 TraceCheckUtils]: 1: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,866 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #453#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,895 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {2855#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:11,896 INFO L280 TraceCheckUtils]: 1: Hoare triple {2855#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2855#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:11,897 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2855#(= |getWaterLevel_#res| ~waterLevel~0)} {2831#(= 1 ~waterLevel~0)} #455#return; {2849#(= 1 |__utac_acc__Specification3_spec__1_#t~ret48|)} is VALID [2020-07-17 21:20:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:11,900 INFO L280 TraceCheckUtils]: 0: Hoare triple {2826#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {2826#true} is VALID [2020-07-17 21:20:11,900 INFO L280 TraceCheckUtils]: 1: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,901 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2826#true} {2827#false} #457#return; {2827#false} is VALID [2020-07-17 21:20:11,906 INFO L263 TraceCheckUtils]: 0: Hoare triple {2826#true} call ULTIMATE.init(); {2854#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:20:11,911 INFO L280 TraceCheckUtils]: 1: Hoare triple {2854#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,912 INFO L280 TraceCheckUtils]: 2: Hoare triple {2831#(= 1 ~waterLevel~0)} assume true; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,913 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2831#(= 1 ~waterLevel~0)} {2826#true} #461#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,914 INFO L263 TraceCheckUtils]: 4: Hoare triple {2831#(= 1 ~waterLevel~0)} call #t~ret71 := main(); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,918 INFO L280 TraceCheckUtils]: 5: Hoare triple {2831#(= 1 ~waterLevel~0)} havoc ~retValue_acc~7;havoc ~tmp~3; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,918 INFO L263 TraceCheckUtils]: 6: Hoare triple {2831#(= 1 ~waterLevel~0)} call select_helpers(); {2826#true} is VALID [2020-07-17 21:20:11,918 INFO L280 TraceCheckUtils]: 7: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,924 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #379#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,924 INFO L263 TraceCheckUtils]: 9: Hoare triple {2831#(= 1 ~waterLevel~0)} call select_features(); {2826#true} is VALID [2020-07-17 21:20:11,924 INFO L280 TraceCheckUtils]: 10: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,925 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #381#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,925 INFO L263 TraceCheckUtils]: 12: Hoare triple {2831#(= 1 ~waterLevel~0)} call #t~ret46 := valid_product(); {2826#true} is VALID [2020-07-17 21:20:11,926 INFO L280 TraceCheckUtils]: 13: Hoare triple {2826#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {2826#true} is VALID [2020-07-17 21:20:11,926 INFO L280 TraceCheckUtils]: 14: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,927 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #383#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,927 INFO L280 TraceCheckUtils]: 16: Hoare triple {2831#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,928 INFO L280 TraceCheckUtils]: 17: Hoare triple {2831#(= 1 ~waterLevel~0)} assume 0 != ~tmp~3; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,928 INFO L263 TraceCheckUtils]: 18: Hoare triple {2831#(= 1 ~waterLevel~0)} call setup(); {2826#true} is VALID [2020-07-17 21:20:11,928 INFO L280 TraceCheckUtils]: 19: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,929 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #385#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,930 INFO L263 TraceCheckUtils]: 21: Hoare triple {2831#(= 1 ~waterLevel~0)} call runTest(); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,930 INFO L263 TraceCheckUtils]: 22: Hoare triple {2831#(= 1 ~waterLevel~0)} call test(); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,931 INFO L280 TraceCheckUtils]: 23: Hoare triple {2831#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,932 INFO L280 TraceCheckUtils]: 24: Hoare triple {2831#(= 1 ~waterLevel~0)} assume !false; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,932 INFO L280 TraceCheckUtils]: 25: Hoare triple {2831#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,935 INFO L280 TraceCheckUtils]: 26: Hoare triple {2831#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet67 && #t~nondet67 <= 2147483647;~tmp~5 := #t~nondet67;havoc #t~nondet67; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,935 INFO L280 TraceCheckUtils]: 27: Hoare triple {2831#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~5); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,936 INFO L280 TraceCheckUtils]: 28: Hoare triple {2831#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet68 && #t~nondet68 <= 2147483647;~tmp___0~1 := #t~nondet68;havoc #t~nondet68; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,936 INFO L280 TraceCheckUtils]: 29: Hoare triple {2831#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,937 INFO L280 TraceCheckUtils]: 30: Hoare triple {2831#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet69 && #t~nondet69 <= 2147483647;~tmp___2~0 := #t~nondet69;havoc #t~nondet69; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,937 INFO L280 TraceCheckUtils]: 31: Hoare triple {2831#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet70 && #t~nondet70 <= 2147483647;~tmp___1~1 := #t~nondet70;havoc #t~nondet70; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,938 INFO L280 TraceCheckUtils]: 32: Hoare triple {2831#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___1~1); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,939 INFO L263 TraceCheckUtils]: 33: Hoare triple {2831#(= 1 ~waterLevel~0)} call timeShift(); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,939 INFO L280 TraceCheckUtils]: 34: Hoare triple {2831#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,940 INFO L280 TraceCheckUtils]: 35: Hoare triple {2831#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,940 INFO L263 TraceCheckUtils]: 36: Hoare triple {2831#(= 1 ~waterLevel~0)} call processEnvironment(); {2826#true} is VALID [2020-07-17 21:20:11,940 INFO L280 TraceCheckUtils]: 37: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,941 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #435#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,941 INFO L263 TraceCheckUtils]: 39: Hoare triple {2831#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,941 INFO L280 TraceCheckUtils]: 40: Hoare triple {2831#(= 1 ~waterLevel~0)} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,942 INFO L263 TraceCheckUtils]: 41: Hoare triple {2831#(= 1 ~waterLevel~0)} call #t~ret47 := isMethaneLevelCritical(); {2826#true} is VALID [2020-07-17 21:20:11,942 INFO L280 TraceCheckUtils]: 42: Hoare triple {2826#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {2826#true} is VALID [2020-07-17 21:20:11,942 INFO L280 TraceCheckUtils]: 43: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,944 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2826#true} {2831#(= 1 ~waterLevel~0)} #453#return; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,944 INFO L280 TraceCheckUtils]: 45: Hoare triple {2831#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,945 INFO L280 TraceCheckUtils]: 46: Hoare triple {2831#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~4); {2831#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:11,945 INFO L263 TraceCheckUtils]: 47: Hoare triple {2831#(= 1 ~waterLevel~0)} call #t~ret48 := getWaterLevel(); {2826#true} is VALID [2020-07-17 21:20:11,946 INFO L280 TraceCheckUtils]: 48: Hoare triple {2826#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {2855#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:11,946 INFO L280 TraceCheckUtils]: 49: Hoare triple {2855#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2855#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:11,947 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2855#(= |getWaterLevel_#res| ~waterLevel~0)} {2831#(= 1 ~waterLevel~0)} #455#return; {2849#(= 1 |__utac_acc__Specification3_spec__1_#t~ret48|)} is VALID [2020-07-17 21:20:11,948 INFO L280 TraceCheckUtils]: 51: Hoare triple {2849#(= 1 |__utac_acc__Specification3_spec__1_#t~ret48|)} assume -2147483648 <= #t~ret48 && #t~ret48 <= 2147483647;~tmp___0~0 := #t~ret48;havoc #t~ret48; {2850#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-17 21:20:11,949 INFO L280 TraceCheckUtils]: 52: Hoare triple {2850#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == ~tmp___0~0; {2827#false} is VALID [2020-07-17 21:20:11,949 INFO L263 TraceCheckUtils]: 53: Hoare triple {2827#false} call #t~ret49 := isPumpRunning(); {2826#true} is VALID [2020-07-17 21:20:11,950 INFO L280 TraceCheckUtils]: 54: Hoare triple {2826#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {2826#true} is VALID [2020-07-17 21:20:11,950 INFO L280 TraceCheckUtils]: 55: Hoare triple {2826#true} assume true; {2826#true} is VALID [2020-07-17 21:20:11,950 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2826#true} {2827#false} #457#return; {2827#false} is VALID [2020-07-17 21:20:11,951 INFO L280 TraceCheckUtils]: 57: Hoare triple {2827#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647;~tmp___1~0 := #t~ret49;havoc #t~ret49; {2827#false} is VALID [2020-07-17 21:20:11,951 INFO L280 TraceCheckUtils]: 58: Hoare triple {2827#false} assume !(0 != ~tmp___1~0); {2827#false} is VALID [2020-07-17 21:20:11,951 INFO L263 TraceCheckUtils]: 59: Hoare triple {2827#false} call __automaton_fail(); {2827#false} is VALID [2020-07-17 21:20:11,952 INFO L280 TraceCheckUtils]: 60: Hoare triple {2827#false} assume !false; {2827#false} is VALID [2020-07-17 21:20:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:11,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981187786] [2020-07-17 21:20:11,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:11,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 21:20:11,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77706068] [2020-07-17 21:20:11,961 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-17 21:20:11,962 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:11,962 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 21:20:12,042 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:12,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 21:20:12,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:12,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 21:20:12,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-17 21:20:12,044 INFO L87 Difference]: Start difference. First operand 190 states and 225 transitions. Second operand 7 states. [2020-07-17 21:20:12,799 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:20:20,085 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:20,858 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:21,330 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:21,854 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:20:24,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:24,592 INFO L93 Difference]: Finished difference Result 537 states and 682 transitions. [2020-07-17 21:20:24,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 21:20:24,592 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-17 21:20:24,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 21:20:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 297 transitions. [2020-07-17 21:20:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 21:20:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 297 transitions. [2020-07-17 21:20:24,610 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 297 transitions. [2020-07-17 21:20:25,686 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 297 edges. 297 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:25,701 INFO L225 Difference]: With dead ends: 537 [2020-07-17 21:20:25,701 INFO L226 Difference]: Without dead ends: 371 [2020-07-17 21:20:25,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-17 21:20:25,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-07-17 21:20:30,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 349. [2020-07-17 21:20:30,122 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:30,122 INFO L82 GeneralOperation]: Start isEquivalent. First operand 371 states. Second operand 349 states. [2020-07-17 21:20:30,122 INFO L74 IsIncluded]: Start isIncluded. First operand 371 states. Second operand 349 states. [2020-07-17 21:20:30,123 INFO L87 Difference]: Start difference. First operand 371 states. Second operand 349 states. [2020-07-17 21:20:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:30,142 INFO L93 Difference]: Finished difference Result 371 states and 457 transitions. [2020-07-17 21:20:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 457 transitions. [2020-07-17 21:20:30,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:30,144 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:30,144 INFO L74 IsIncluded]: Start isIncluded. First operand 349 states. Second operand 371 states. [2020-07-17 21:20:30,144 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 371 states. [2020-07-17 21:20:30,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:30,163 INFO L93 Difference]: Finished difference Result 371 states and 457 transitions. [2020-07-17 21:20:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 457 transitions. [2020-07-17 21:20:30,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:30,165 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:30,165 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:30,165 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:30,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-07-17 21:20:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 425 transitions. [2020-07-17 21:20:30,183 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 425 transitions. Word has length 61 [2020-07-17 21:20:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:30,183 INFO L479 AbstractCegarLoop]: Abstraction has 349 states and 425 transitions. [2020-07-17 21:20:30,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 21:20:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 425 transitions. [2020-07-17 21:20:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 21:20:30,186 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:30,186 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] [2020-07-17 21:20:30,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:20:30,186 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:30,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1974146389, now seen corresponding path program 1 times [2020-07-17 21:20:30,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:30,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453934493] [2020-07-17 21:20:30,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,530 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {4871#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume true; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,641 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4847#(= 0 ~pumpRunning~0)} {4842#true} #461#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,646 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #379#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,649 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,650 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #381#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,654 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {4842#true} is VALID [2020-07-17 21:20:30,655 INFO L280 TraceCheckUtils]: 1: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,655 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #383#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,663 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #385#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,678 INFO L280 TraceCheckUtils]: 0: Hoare triple {4872#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {4842#true} is VALID [2020-07-17 21:20:30,679 INFO L280 TraceCheckUtils]: 1: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,679 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4842#true} {4843#false} #433#return; {4843#false} is VALID [2020-07-17 21:20:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,682 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,682 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4842#true} {4843#false} #435#return; {4843#false} is VALID [2020-07-17 21:20:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,686 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {4842#true} is VALID [2020-07-17 21:20:30,686 INFO L280 TraceCheckUtils]: 1: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,687 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4842#true} {4843#false} #453#return; {4843#false} is VALID [2020-07-17 21:20:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,690 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {4842#true} is VALID [2020-07-17 21:20:30,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,690 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4842#true} {4843#false} #455#return; {4843#false} is VALID [2020-07-17 21:20:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:30,693 INFO L280 TraceCheckUtils]: 0: Hoare triple {4842#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {4842#true} is VALID [2020-07-17 21:20:30,694 INFO L280 TraceCheckUtils]: 1: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,694 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4842#true} {4843#false} #457#return; {4843#false} is VALID [2020-07-17 21:20:30,699 INFO L263 TraceCheckUtils]: 0: Hoare triple {4842#true} call ULTIMATE.init(); {4871#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:20:30,704 INFO L280 TraceCheckUtils]: 1: Hoare triple {4871#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,705 INFO L280 TraceCheckUtils]: 2: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume true; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,706 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4847#(= 0 ~pumpRunning~0)} {4842#true} #461#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,706 INFO L263 TraceCheckUtils]: 4: Hoare triple {4847#(= 0 ~pumpRunning~0)} call #t~ret71 := main(); {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,707 INFO L280 TraceCheckUtils]: 5: Hoare triple {4847#(= 0 ~pumpRunning~0)} havoc ~retValue_acc~7;havoc ~tmp~3; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,707 INFO L263 TraceCheckUtils]: 6: Hoare triple {4847#(= 0 ~pumpRunning~0)} call select_helpers(); {4842#true} is VALID [2020-07-17 21:20:30,707 INFO L280 TraceCheckUtils]: 7: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,708 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #379#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,708 INFO L263 TraceCheckUtils]: 9: Hoare triple {4847#(= 0 ~pumpRunning~0)} call select_features(); {4842#true} is VALID [2020-07-17 21:20:30,708 INFO L280 TraceCheckUtils]: 10: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,709 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #381#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,709 INFO L263 TraceCheckUtils]: 12: Hoare triple {4847#(= 0 ~pumpRunning~0)} call #t~ret46 := valid_product(); {4842#true} is VALID [2020-07-17 21:20:30,709 INFO L280 TraceCheckUtils]: 13: Hoare triple {4842#true} havoc ~retValue_acc~6;~retValue_acc~6 := 1;#res := ~retValue_acc~6; {4842#true} is VALID [2020-07-17 21:20:30,710 INFO L280 TraceCheckUtils]: 14: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,710 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #383#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,711 INFO L280 TraceCheckUtils]: 16: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,712 INFO L280 TraceCheckUtils]: 17: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume 0 != ~tmp~3; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,712 INFO L263 TraceCheckUtils]: 18: Hoare triple {4847#(= 0 ~pumpRunning~0)} call setup(); {4842#true} is VALID [2020-07-17 21:20:30,712 INFO L280 TraceCheckUtils]: 19: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,713 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4842#true} {4847#(= 0 ~pumpRunning~0)} #385#return; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,713 INFO L263 TraceCheckUtils]: 21: Hoare triple {4847#(= 0 ~pumpRunning~0)} call runTest(); {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,714 INFO L263 TraceCheckUtils]: 22: Hoare triple {4847#(= 0 ~pumpRunning~0)} call test(); {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,715 INFO L280 TraceCheckUtils]: 23: Hoare triple {4847#(= 0 ~pumpRunning~0)} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,715 INFO L280 TraceCheckUtils]: 24: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume !false; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,716 INFO L280 TraceCheckUtils]: 25: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume ~splverifierCounter~0 < 4; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,716 INFO L280 TraceCheckUtils]: 26: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet67 && #t~nondet67 <= 2147483647;~tmp~5 := #t~nondet67;havoc #t~nondet67; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,717 INFO L280 TraceCheckUtils]: 27: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp~5); {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,718 INFO L280 TraceCheckUtils]: 28: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet68 && #t~nondet68 <= 2147483647;~tmp___0~1 := #t~nondet68;havoc #t~nondet68; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,718 INFO L280 TraceCheckUtils]: 29: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___0~1); {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,719 INFO L280 TraceCheckUtils]: 30: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet69 && #t~nondet69 <= 2147483647;~tmp___2~0 := #t~nondet69;havoc #t~nondet69; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,719 INFO L280 TraceCheckUtils]: 31: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet70 && #t~nondet70 <= 2147483647;~tmp___1~1 := #t~nondet70;havoc #t~nondet70; {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,720 INFO L280 TraceCheckUtils]: 32: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___1~1); {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,720 INFO L263 TraceCheckUtils]: 33: Hoare triple {4847#(= 0 ~pumpRunning~0)} call timeShift(); {4847#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:20:30,721 INFO L280 TraceCheckUtils]: 34: Hoare triple {4847#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {4843#false} is VALID [2020-07-17 21:20:30,721 INFO L263 TraceCheckUtils]: 35: Hoare triple {4843#false} call lowerWaterLevel(); {4872#(= ~waterLevel~0 |old(~waterLevel~0)|)} is VALID [2020-07-17 21:20:30,721 INFO L280 TraceCheckUtils]: 36: Hoare triple {4872#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {4842#true} is VALID [2020-07-17 21:20:30,722 INFO L280 TraceCheckUtils]: 37: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,722 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4842#true} {4843#false} #433#return; {4843#false} is VALID [2020-07-17 21:20:30,722 INFO L280 TraceCheckUtils]: 39: Hoare triple {4843#false} assume 0 != ~systemActive~0; {4843#false} is VALID [2020-07-17 21:20:30,722 INFO L263 TraceCheckUtils]: 40: Hoare triple {4843#false} call processEnvironment(); {4842#true} is VALID [2020-07-17 21:20:30,722 INFO L280 TraceCheckUtils]: 41: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,723 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {4842#true} {4843#false} #435#return; {4843#false} is VALID [2020-07-17 21:20:30,723 INFO L263 TraceCheckUtils]: 43: Hoare triple {4843#false} call __utac_acc__Specification3_spec__1(); {4843#false} is VALID [2020-07-17 21:20:30,723 INFO L280 TraceCheckUtils]: 44: Hoare triple {4843#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {4843#false} is VALID [2020-07-17 21:20:30,723 INFO L263 TraceCheckUtils]: 45: Hoare triple {4843#false} call #t~ret47 := isMethaneLevelCritical(); {4842#true} is VALID [2020-07-17 21:20:30,723 INFO L280 TraceCheckUtils]: 46: Hoare triple {4842#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {4842#true} is VALID [2020-07-17 21:20:30,724 INFO L280 TraceCheckUtils]: 47: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,724 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {4842#true} {4843#false} #453#return; {4843#false} is VALID [2020-07-17 21:20:30,724 INFO L280 TraceCheckUtils]: 49: Hoare triple {4843#false} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {4843#false} is VALID [2020-07-17 21:20:30,724 INFO L280 TraceCheckUtils]: 50: Hoare triple {4843#false} assume !(0 != ~tmp~4); {4843#false} is VALID [2020-07-17 21:20:30,725 INFO L263 TraceCheckUtils]: 51: Hoare triple {4843#false} call #t~ret48 := getWaterLevel(); {4842#true} is VALID [2020-07-17 21:20:30,725 INFO L280 TraceCheckUtils]: 52: Hoare triple {4842#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~waterLevel~0;#res := ~retValue_acc~1; {4842#true} is VALID [2020-07-17 21:20:30,725 INFO L280 TraceCheckUtils]: 53: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,725 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {4842#true} {4843#false} #455#return; {4843#false} is VALID [2020-07-17 21:20:30,725 INFO L280 TraceCheckUtils]: 55: Hoare triple {4843#false} assume -2147483648 <= #t~ret48 && #t~ret48 <= 2147483647;~tmp___0~0 := #t~ret48;havoc #t~ret48; {4843#false} is VALID [2020-07-17 21:20:30,726 INFO L280 TraceCheckUtils]: 56: Hoare triple {4843#false} assume 2 == ~tmp___0~0; {4843#false} is VALID [2020-07-17 21:20:30,726 INFO L263 TraceCheckUtils]: 57: Hoare triple {4843#false} call #t~ret49 := isPumpRunning(); {4842#true} is VALID [2020-07-17 21:20:30,726 INFO L280 TraceCheckUtils]: 58: Hoare triple {4842#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {4842#true} is VALID [2020-07-17 21:20:30,726 INFO L280 TraceCheckUtils]: 59: Hoare triple {4842#true} assume true; {4842#true} is VALID [2020-07-17 21:20:30,726 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {4842#true} {4843#false} #457#return; {4843#false} is VALID [2020-07-17 21:20:30,727 INFO L280 TraceCheckUtils]: 61: Hoare triple {4843#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647;~tmp___1~0 := #t~ret49;havoc #t~ret49; {4843#false} is VALID [2020-07-17 21:20:30,727 INFO L280 TraceCheckUtils]: 62: Hoare triple {4843#false} assume !(0 != ~tmp___1~0); {4843#false} is VALID [2020-07-17 21:20:30,727 INFO L263 TraceCheckUtils]: 63: Hoare triple {4843#false} call __automaton_fail(); {4843#false} is VALID [2020-07-17 21:20:30,727 INFO L280 TraceCheckUtils]: 64: Hoare triple {4843#false} assume !false; {4843#false} is VALID [2020-07-17 21:20:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:30,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453934493] [2020-07-17 21:20:30,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:30,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 21:20:30,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167329037] [2020-07-17 21:20:30,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-17 21:20:30,737 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:30,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 21:20:30,835 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:30,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 21:20:30,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:30,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 21:20:30,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:20:30,836 INFO L87 Difference]: Start difference. First operand 349 states and 425 transitions. Second operand 5 states. [2020-07-17 21:20:31,433 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:20:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:37,573 INFO L93 Difference]: Finished difference Result 642 states and 802 transitions. [2020-07-17 21:20:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 21:20:37,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-17 21:20:37,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 21:20:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 227 transitions. [2020-07-17 21:20:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 21:20:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 227 transitions. [2020-07-17 21:20:37,584 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 227 transitions. [2020-07-17 21:20:38,324 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 227 edges. 227 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:38,334 INFO L225 Difference]: With dead ends: 642 [2020-07-17 21:20:38,335 INFO L226 Difference]: Without dead ends: 317 [2020-07-17 21:20:38,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 21:20:38,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-17 21:20:42,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 303. [2020-07-17 21:20:42,222 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:42,222 INFO L82 GeneralOperation]: Start isEquivalent. First operand 317 states. Second operand 303 states. [2020-07-17 21:20:42,223 INFO L74 IsIncluded]: Start isIncluded. First operand 317 states. Second operand 303 states. [2020-07-17 21:20:42,223 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 303 states. [2020-07-17 21:20:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:42,238 INFO L93 Difference]: Finished difference Result 317 states and 377 transitions. [2020-07-17 21:20:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 377 transitions. [2020-07-17 21:20:42,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:42,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:42,240 INFO L74 IsIncluded]: Start isIncluded. First operand 303 states. Second operand 317 states. [2020-07-17 21:20:42,240 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 317 states. [2020-07-17 21:20:42,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:42,252 INFO L93 Difference]: Finished difference Result 317 states and 377 transitions. [2020-07-17 21:20:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 377 transitions. [2020-07-17 21:20:42,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:42,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:42,254 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:42,254 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-07-17 21:20:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 354 transitions. [2020-07-17 21:20:42,264 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 354 transitions. Word has length 65 [2020-07-17 21:20:42,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:42,265 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 354 transitions. [2020-07-17 21:20:42,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 21:20:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 354 transitions. [2020-07-17 21:20:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 21:20:42,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:42,267 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] [2020-07-17 21:20:42,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:20:42,267 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:42,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:42,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1832330753, now seen corresponding path program 1 times [2020-07-17 21:20:42,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:42,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743362184] [2020-07-17 21:20:42,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:20:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:20:42,449 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:20:42,450 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:20:42,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 21:20:42,624 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:20:42,624 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:20:42,624 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:20:42,624 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:20:42,624 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:20:42,624 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:20:42,625 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: processEnvironmentFINAL has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:20:42,626 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:20:42,627 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:20:42,628 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: L203-2 has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: L203-2 has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: L203-2 has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: L260-2 has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: L260-2 has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: L260-2 has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:20:42,629 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-17 21:20:42,630 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: L459 has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-17 21:20:42,631 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:20:42,632 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L538 has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L538 has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-17 21:20:42,633 WARN L170 areAnnotationChecker]: L684 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L684 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L611-1 has no Hoare annotation [2020-07-17 21:20:42,634 WARN L170 areAnnotationChecker]: L611-1 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L754-2 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L612 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L612 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L459-1 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L732-1 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L691 has no Hoare annotation [2020-07-17 21:20:42,635 WARN L170 areAnnotationChecker]: L691 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L413-1 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L101-2 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:20:42,636 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: L538-1 has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: L646-1 has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-17 21:20:42,637 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: L617-1 has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: L617-1 has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-17 21:20:42,638 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L656-1 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-17 21:20:42,639 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: L615-1 has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: L342 has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: L342 has no Hoare annotation [2020-07-17 21:20:42,640 WARN L170 areAnnotationChecker]: L279-1 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L837-1 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L652-1 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L542-2 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L542-2 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L542-2 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-17 21:20:42,641 WARN L170 areAnnotationChecker]: L855-1 has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: L855-1 has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: L827-1 has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: L654-1 has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: L209-1 has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:20:42,642 WARN L170 areAnnotationChecker]: L266-1 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: L766-2 has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,643 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:20:42,644 WARN L170 areAnnotationChecker]: L345-2 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L345-2 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L345-2 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2020-07-17 21:20:42,645 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L557 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-17 21:20:42,646 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L361-1 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L377-1 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-17 21:20:42,647 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-17 21:20:42,648 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L777-1 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-17 21:20:42,649 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-17 21:20:42,650 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-17 21:20:42,651 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: L857 has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: L857 has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: L546-1 has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: L546-1 has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:42,652 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:42,653 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:42,653 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:42,653 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:42,653 WARN L170 areAnnotationChecker]: L361 has no Hoare annotation [2020-07-17 21:20:42,653 WARN L170 areAnnotationChecker]: L361 has no Hoare annotation [2020-07-17 21:20:42,653 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 21:20:42,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:20:42 BoogieIcfgContainer [2020-07-17 21:20:42,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:20:42,658 INFO L168 Benchmark]: Toolchain (without parser) took 68362.93 ms. Allocated memory was 139.5 MB in the beginning and 679.5 MB in the end (delta: 540.0 MB). Free memory was 103.2 MB in the beginning and 152.4 MB in the end (delta: -49.3 MB). Peak memory consumption was 490.8 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:42,659 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 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. [2020-07-17 21:20:42,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.78 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 172.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:42,661 INFO L168 Benchmark]: Boogie Preprocessor took 111.75 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 167.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:42,661 INFO L168 Benchmark]: RCFGBuilder took 1638.11 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 102.3 MB in the end (delta: 65.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:42,662 INFO L168 Benchmark]: TraceAbstraction took 65946.25 ms. Allocated memory was 237.5 MB in the beginning and 679.5 MB in the end (delta: 442.0 MB). Free memory was 100.9 MB in the beginning and 152.4 MB in the end (delta: -51.6 MB). Peak memory consumption was 390.4 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:42,665 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 0.23 ms. Allocated memory is still 139.5 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 659.78 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 172.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.75 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 167.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1638.11 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 102.3 MB in the end (delta: 65.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 65946.25 ms. Allocated memory was 237.5 MB in the beginning and 679.5 MB in the end (delta: 442.0 MB). Free memory was 100.9 MB in the beginning and 152.4 MB in the end (delta: -51.6 MB). Peak memory consumption was 390.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 633]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=141, \old(pumpRunning)=130, \old(systemActive)=129, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int retValue_acc ; [L607] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L611] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L613] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L613] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L617] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L618] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L600] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int splverifierCounter ; [L809] int tmp ; [L810] int tmp___0 ; [L811] int tmp___1 ; [L812] int tmp___2 ; [L815] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L817] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L819] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L825] tmp = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L829] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L829] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L835] tmp___0 = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L845] tmp___2 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___2)) [L853] tmp___1 = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L864] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L684] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L699] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L640] int tmp ; [L641] int tmp___0 ; [L642] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L646] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] tmp = isMethaneLevelCritical() [L648] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L652] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L652] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L652] tmp___0 = getWaterLevel() [L654] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L656] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L656] tmp___1 = isPumpRunning() [L658] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L662] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L633] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 65.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 48.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 439 SDtfs, 641 SDslu, 330 SDs, 0 SdLazy, 1334 SolverSat, 395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 160 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s 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...