/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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 13:56:18,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 13:56:18,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 13:56:18,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 13:56:18,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 13:56:18,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 13:56:18,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 13:56:18,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 13:56:18,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 13:56:18,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 13:56:18,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 13:56:18,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 13:56:18,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 13:56:18,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 13:56:18,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 13:56:18,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 13:56:18,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 13:56:18,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 13:56:18,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 13:56:18,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 13:56:18,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 13:56:18,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 13:56:18,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 13:56:18,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 13:56:18,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 13:56:18,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 13:56:18,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 13:56:18,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 13:56:18,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 13:56:18,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 13:56:18,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 13:56:18,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 13:56:18,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 13:56:18,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 13:56:18,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 13:56:18,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 13:56:18,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 13:56:18,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 13:56:18,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 13:56:18,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 13:56:18,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 13:56:18,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 13:56:18,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 13:56:18,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 13:56:18,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 13:56:18,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 13:56:18,097 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 13:56:18,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 13:56:18,097 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 13:56:18,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 13:56:18,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 13:56:18,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 13:56:18,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 13:56:18,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 13:56:18,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 13:56:18,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 13:56:18,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 13:56:18,099 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 13:56:18,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 13:56:18,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 13:56:18,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 13:56:18,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 13:56:18,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 13:56:18,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 13:56:18,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 13:56:18,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 13:56:18,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 13:56:18,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 13:56:18,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 13:56:18,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 13:56:18,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 13:56:18,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 13:56:18,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 13:56:18,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 13:56:18,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 13:56:18,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 13:56:18,414 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 13:56:18,415 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-10 13:56:18,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0b279c3/e6acf286ea964452a2006bde54ac605d/FLAG0f787a470 [2020-07-10 13:56:18,997 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 13:56:18,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-10 13:56:19,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0b279c3/e6acf286ea964452a2006bde54ac605d/FLAG0f787a470 [2020-07-10 13:56:19,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0b279c3/e6acf286ea964452a2006bde54ac605d [2020-07-10 13:56:19,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 13:56:19,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 13:56:19,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 13:56:19,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 13:56:19,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 13:56:19,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:56:19" (1/1) ... [2020-07-10 13:56:19,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4536ee98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:19, skipping insertion in model container [2020-07-10 13:56:19,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:56:19" (1/1) ... [2020-07-10 13:56:19,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 13:56:19,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 13:56:19,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:56:19,918 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 13:56:20,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:56:20,087 INFO L208 MainTranslator]: Completed translation [2020-07-10 13:56:20,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20 WrapperNode [2020-07-10 13:56:20,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 13:56:20,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 13:56:20,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 13:56:20,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 13:56:20,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... [2020-07-10 13:56:20,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... [2020-07-10 13:56:20,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... [2020-07-10 13:56:20,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... [2020-07-10 13:56:20,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... [2020-07-10 13:56:20,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... [2020-07-10 13:56:20,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... [2020-07-10 13:56:20,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 13:56:20,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 13:56:20,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 13:56:20,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 13:56:20,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 13:56:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 13:56:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 13:56:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-10 13:56:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-10 13:56:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-10 13:56:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-10 13:56:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-10 13:56:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 13:56:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-10 13:56:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-10 13:56:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-10 13:56:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-10 13:56:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-10 13:56:20,264 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-10 13:56:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-10 13:56:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-10 13:56:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-10 13:56:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-10 13:56:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:56:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-10 13:56:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-10 13:56:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-10 13:56:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-10 13:56:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-10 13:56:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-10 13:56:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-10 13:56:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-10 13:56:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-10 13:56:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-10 13:56:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-10 13:56:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-10 13:56:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-10 13:56:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-10 13:56:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-10 13:56:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-10 13:56:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 13:56:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 13:56:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-10 13:56:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-10 13:56:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-10 13:56:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-10 13:56:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-10 13:56:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-10 13:56:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-10 13:56:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-10 13:56:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-10 13:56:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-10 13:56:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-10 13:56:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-10 13:56:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-10 13:56:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 13:56:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-10 13:56:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-10 13:56:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-10 13:56:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-10 13:56:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-10 13:56:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-10 13:56:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-10 13:56:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:56:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-10 13:56:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-10 13:56:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-10 13:56:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 13:56:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-10 13:56:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-10 13:56:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-10 13:56:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 13:56:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 13:56:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-10 13:56:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 13:56:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 13:56:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 13:56:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 13:56:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-10 13:56:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 13:56:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-10 13:56:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-10 13:56:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 13:56:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-10 13:56:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-10 13:56:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-10 13:56:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 13:56:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 13:56:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 13:56:21,939 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 13:56:21,940 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-10 13:56:21,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:56:21 BoogieIcfgContainer [2020-07-10 13:56:21,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 13:56:21,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 13:56:21,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 13:56:21,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 13:56:21,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:56:19" (1/3) ... [2020-07-10 13:56:21,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e30254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:56:21, skipping insertion in model container [2020-07-10 13:56:21,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:20" (2/3) ... [2020-07-10 13:56:21,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e30254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:56:21, skipping insertion in model container [2020-07-10 13:56:21,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:56:21" (3/3) ... [2020-07-10 13:56:21,954 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-07-10 13:56:21,965 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 13:56:21,974 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 13:56:21,988 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 13:56:22,015 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 13:56:22,015 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 13:56:22,015 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 13:56:22,015 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 13:56:22,016 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 13:56:22,016 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 13:56:22,016 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 13:56:22,017 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 13:56:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-07-10 13:56:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-10 13:56:22,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:22,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:56:22,053 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:22,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:22,060 INFO L82 PathProgramCache]: Analyzing trace with hash -243884949, now seen corresponding path program 1 times [2020-07-10 13:56:22,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:22,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738450941] [2020-07-10 13:56:22,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,829 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,924 INFO L280 TraceCheckUtils]: 0: Hoare triple {167#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {144#true} is VALID [2020-07-10 13:56:22,924 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,925 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {144#true} #457#return; {144#true} is VALID [2020-07-10 13:56:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,930 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,931 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {144#true} {144#true} #377#return; {144#true} is VALID [2020-07-10 13:56:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,935 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,935 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {144#true} {144#true} #379#return; {144#true} is VALID [2020-07-10 13:56:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,941 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {144#true} is VALID [2020-07-10 13:56:22,941 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,941 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {144#true} #381#return; {144#true} is VALID [2020-07-10 13:56:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,945 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,946 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {144#true} {144#true} #383#return; {144#true} is VALID [2020-07-10 13:56:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {144#true} is VALID [2020-07-10 13:56:22,950 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,951 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {145#false} #449#return; {145#false} is VALID [2020-07-10 13:56:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,955 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {144#true} is VALID [2020-07-10 13:56:22,956 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,956 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {145#false} #451#return; {145#false} is VALID [2020-07-10 13:56:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:22,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {144#true} is VALID [2020-07-10 13:56:22,960 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,961 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {145#false} #453#return; {145#false} is VALID [2020-07-10 13:56:22,968 INFO L263 TraceCheckUtils]: 0: Hoare triple {144#true} call ULTIMATE.init(); {167#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:22,968 INFO L280 TraceCheckUtils]: 1: Hoare triple {167#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {144#true} is VALID [2020-07-10 13:56:22,969 INFO L280 TraceCheckUtils]: 2: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,969 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {144#true} {144#true} #457#return; {144#true} is VALID [2020-07-10 13:56:22,969 INFO L263 TraceCheckUtils]: 4: Hoare triple {144#true} call #t~ret72 := main(); {144#true} is VALID [2020-07-10 13:56:22,970 INFO L280 TraceCheckUtils]: 5: Hoare triple {144#true} havoc ~retValue_acc~0;havoc ~tmp~0; {144#true} is VALID [2020-07-10 13:56:22,970 INFO L263 TraceCheckUtils]: 6: Hoare triple {144#true} call select_helpers(); {144#true} is VALID [2020-07-10 13:56:22,970 INFO L280 TraceCheckUtils]: 7: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,971 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {144#true} {144#true} #377#return; {144#true} is VALID [2020-07-10 13:56:22,971 INFO L263 TraceCheckUtils]: 9: Hoare triple {144#true} call select_features(); {144#true} is VALID [2020-07-10 13:56:22,971 INFO L280 TraceCheckUtils]: 10: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,972 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {144#true} {144#true} #379#return; {144#true} is VALID [2020-07-10 13:56:22,972 INFO L263 TraceCheckUtils]: 12: Hoare triple {144#true} call #t~ret0 := valid_product(); {144#true} is VALID [2020-07-10 13:56:22,972 INFO L280 TraceCheckUtils]: 13: Hoare triple {144#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {144#true} is VALID [2020-07-10 13:56:22,973 INFO L280 TraceCheckUtils]: 14: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,973 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {144#true} {144#true} #381#return; {144#true} is VALID [2020-07-10 13:56:22,973 INFO L280 TraceCheckUtils]: 16: Hoare triple {144#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {144#true} is VALID [2020-07-10 13:56:22,974 INFO L280 TraceCheckUtils]: 17: Hoare triple {144#true} assume 0 != ~tmp~0; {144#true} is VALID [2020-07-10 13:56:22,974 INFO L263 TraceCheckUtils]: 18: Hoare triple {144#true} call setup(); {144#true} is VALID [2020-07-10 13:56:22,974 INFO L280 TraceCheckUtils]: 19: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,975 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {144#true} {144#true} #383#return; {144#true} is VALID [2020-07-10 13:56:22,975 INFO L263 TraceCheckUtils]: 21: Hoare triple {144#true} call runTest(); {144#true} is VALID [2020-07-10 13:56:22,975 INFO L263 TraceCheckUtils]: 22: Hoare triple {144#true} call test(); {144#true} is VALID [2020-07-10 13:56:22,976 INFO L280 TraceCheckUtils]: 23: Hoare triple {144#true} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {144#true} is VALID [2020-07-10 13:56:22,977 INFO L280 TraceCheckUtils]: 24: Hoare triple {144#true} assume !true; {145#false} is VALID [2020-07-10 13:56:22,977 INFO L263 TraceCheckUtils]: 25: Hoare triple {145#false} call cleanup(); {145#false} is VALID [2020-07-10 13:56:22,978 INFO L280 TraceCheckUtils]: 26: Hoare triple {145#false} havoc ~i~0;havoc ~__cil_tmp2~0; {145#false} is VALID [2020-07-10 13:56:22,978 INFO L263 TraceCheckUtils]: 27: Hoare triple {145#false} call timeShift(); {145#false} is VALID [2020-07-10 13:56:22,978 INFO L280 TraceCheckUtils]: 28: Hoare triple {145#false} assume !(0 != ~pumpRunning~0); {145#false} is VALID [2020-07-10 13:56:22,979 INFO L280 TraceCheckUtils]: 29: Hoare triple {145#false} assume !(0 != ~systemActive~0); {145#false} is VALID [2020-07-10 13:56:22,979 INFO L263 TraceCheckUtils]: 30: Hoare triple {145#false} call __utac_acc__Specification3_spec__1(); {145#false} is VALID [2020-07-10 13:56:22,979 INFO L280 TraceCheckUtils]: 31: Hoare triple {145#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {145#false} is VALID [2020-07-10 13:56:22,980 INFO L263 TraceCheckUtils]: 32: Hoare triple {145#false} call #t~ret23 := isMethaneLevelCritical(); {144#true} is VALID [2020-07-10 13:56:22,980 INFO L280 TraceCheckUtils]: 33: Hoare triple {144#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {144#true} is VALID [2020-07-10 13:56:22,980 INFO L280 TraceCheckUtils]: 34: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,980 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {144#true} {145#false} #449#return; {145#false} is VALID [2020-07-10 13:56:22,981 INFO L280 TraceCheckUtils]: 36: Hoare triple {145#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {145#false} is VALID [2020-07-10 13:56:22,981 INFO L280 TraceCheckUtils]: 37: Hoare triple {145#false} assume !(0 != ~tmp~3); {145#false} is VALID [2020-07-10 13:56:22,981 INFO L263 TraceCheckUtils]: 38: Hoare triple {145#false} call #t~ret24 := getWaterLevel(); {144#true} is VALID [2020-07-10 13:56:22,982 INFO L280 TraceCheckUtils]: 39: Hoare triple {144#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {144#true} is VALID [2020-07-10 13:56:22,982 INFO L280 TraceCheckUtils]: 40: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,983 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {144#true} {145#false} #451#return; {145#false} is VALID [2020-07-10 13:56:22,983 INFO L280 TraceCheckUtils]: 42: Hoare triple {145#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {145#false} is VALID [2020-07-10 13:56:22,983 INFO L280 TraceCheckUtils]: 43: Hoare triple {145#false} assume 2 == ~tmp___0~1; {145#false} is VALID [2020-07-10 13:56:22,983 INFO L263 TraceCheckUtils]: 44: Hoare triple {145#false} call #t~ret25 := isPumpRunning(); {144#true} is VALID [2020-07-10 13:56:22,984 INFO L280 TraceCheckUtils]: 45: Hoare triple {144#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {144#true} is VALID [2020-07-10 13:56:22,984 INFO L280 TraceCheckUtils]: 46: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-10 13:56:22,985 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {144#true} {145#false} #453#return; {145#false} is VALID [2020-07-10 13:56:22,985 INFO L280 TraceCheckUtils]: 48: Hoare triple {145#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {145#false} is VALID [2020-07-10 13:56:22,985 INFO L280 TraceCheckUtils]: 49: Hoare triple {145#false} assume !(0 != ~tmp___1~1); {145#false} is VALID [2020-07-10 13:56:22,986 INFO L263 TraceCheckUtils]: 50: Hoare triple {145#false} call __automaton_fail(); {145#false} is VALID [2020-07-10 13:56:22,986 INFO L280 TraceCheckUtils]: 51: Hoare triple {145#false} assume !false; {145#false} is VALID [2020-07-10 13:56:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:22,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738450941] [2020-07-10 13:56:22,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:22,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 13:56:22,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910116119] [2020-07-10 13:56:23,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:56:23,008 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:23,012 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 13:56:23,102 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:23,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 13:56:23,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:23,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 13:56:23,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:56:23,114 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 3 states. [2020-07-10 13:56:26,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:26,575 INFO L93 Difference]: Finished difference Result 211 states and 284 transitions. [2020-07-10 13:56:26,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 13:56:26,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:56:26,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:56:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2020-07-10 13:56:26,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:56:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2020-07-10 13:56:26,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 284 transitions. [2020-07-10 13:56:27,674 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 284 edges. 284 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:27,696 INFO L225 Difference]: With dead ends: 211 [2020-07-10 13:56:27,696 INFO L226 Difference]: Without dead ends: 115 [2020-07-10 13:56:27,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:56:27,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-10 13:56:28,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87. [2020-07-10 13:56:28,595 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:56:28,596 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 87 states. [2020-07-10 13:56:28,596 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 87 states. [2020-07-10 13:56:28,597 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 87 states. [2020-07-10 13:56:28,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:28,610 INFO L93 Difference]: Finished difference Result 115 states and 146 transitions. [2020-07-10 13:56:28,610 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2020-07-10 13:56:28,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:28,613 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:28,613 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 115 states. [2020-07-10 13:56:28,613 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 115 states. [2020-07-10 13:56:28,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:28,629 INFO L93 Difference]: Finished difference Result 115 states and 146 transitions. [2020-07-10 13:56:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2020-07-10 13:56:28,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:28,636 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:28,636 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:56:28,637 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:56:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-10 13:56:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2020-07-10 13:56:28,647 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2020-07-10 13:56:28,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:56:28,647 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2020-07-10 13:56:28,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 13:56:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2020-07-10 13:56:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-10 13:56:28,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:28,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:56:28,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 13:56:28,655 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:28,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash -665178200, now seen corresponding path program 1 times [2020-07-10 13:56:28,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:28,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874268184] [2020-07-10 13:56:28,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,066 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,127 INFO L280 TraceCheckUtils]: 0: Hoare triple {842#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {818#true} is VALID [2020-07-10 13:56:29,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,128 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {818#true} #457#return; {818#true} is VALID [2020-07-10 13:56:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,136 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,136 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {818#true} {818#true} #377#return; {818#true} is VALID [2020-07-10 13:56:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,138 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,139 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {818#true} {818#true} #379#return; {818#true} is VALID [2020-07-10 13:56:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,143 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {818#true} is VALID [2020-07-10 13:56:29,144 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,144 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {818#true} #381#return; {818#true} is VALID [2020-07-10 13:56:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,147 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,148 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {818#true} {818#true} #383#return; {818#true} is VALID [2020-07-10 13:56:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,151 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {818#true} is VALID [2020-07-10 13:56:29,151 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,151 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {819#false} #449#return; {819#false} is VALID [2020-07-10 13:56:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,154 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {818#true} is VALID [2020-07-10 13:56:29,155 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,155 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {819#false} #451#return; {819#false} is VALID [2020-07-10 13:56:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,158 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {818#true} is VALID [2020-07-10 13:56:29,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,158 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {819#false} #453#return; {819#false} is VALID [2020-07-10 13:56:29,162 INFO L263 TraceCheckUtils]: 0: Hoare triple {818#true} call ULTIMATE.init(); {842#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:29,163 INFO L280 TraceCheckUtils]: 1: Hoare triple {842#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {818#true} is VALID [2020-07-10 13:56:29,163 INFO L280 TraceCheckUtils]: 2: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,163 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {818#true} {818#true} #457#return; {818#true} is VALID [2020-07-10 13:56:29,164 INFO L263 TraceCheckUtils]: 4: Hoare triple {818#true} call #t~ret72 := main(); {818#true} is VALID [2020-07-10 13:56:29,164 INFO L280 TraceCheckUtils]: 5: Hoare triple {818#true} havoc ~retValue_acc~0;havoc ~tmp~0; {818#true} is VALID [2020-07-10 13:56:29,164 INFO L263 TraceCheckUtils]: 6: Hoare triple {818#true} call select_helpers(); {818#true} is VALID [2020-07-10 13:56:29,165 INFO L280 TraceCheckUtils]: 7: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,165 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {818#true} {818#true} #377#return; {818#true} is VALID [2020-07-10 13:56:29,165 INFO L263 TraceCheckUtils]: 9: Hoare triple {818#true} call select_features(); {818#true} is VALID [2020-07-10 13:56:29,165 INFO L280 TraceCheckUtils]: 10: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,166 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {818#true} {818#true} #379#return; {818#true} is VALID [2020-07-10 13:56:29,166 INFO L263 TraceCheckUtils]: 12: Hoare triple {818#true} call #t~ret0 := valid_product(); {818#true} is VALID [2020-07-10 13:56:29,166 INFO L280 TraceCheckUtils]: 13: Hoare triple {818#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {818#true} is VALID [2020-07-10 13:56:29,166 INFO L280 TraceCheckUtils]: 14: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,167 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {818#true} {818#true} #381#return; {818#true} is VALID [2020-07-10 13:56:29,167 INFO L280 TraceCheckUtils]: 16: Hoare triple {818#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {818#true} is VALID [2020-07-10 13:56:29,167 INFO L280 TraceCheckUtils]: 17: Hoare triple {818#true} assume 0 != ~tmp~0; {818#true} is VALID [2020-07-10 13:56:29,167 INFO L263 TraceCheckUtils]: 18: Hoare triple {818#true} call setup(); {818#true} is VALID [2020-07-10 13:56:29,168 INFO L280 TraceCheckUtils]: 19: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,168 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {818#true} {818#true} #383#return; {818#true} is VALID [2020-07-10 13:56:29,168 INFO L263 TraceCheckUtils]: 21: Hoare triple {818#true} call runTest(); {818#true} is VALID [2020-07-10 13:56:29,169 INFO L263 TraceCheckUtils]: 22: Hoare triple {818#true} call test(); {818#true} is VALID [2020-07-10 13:56:29,169 INFO L280 TraceCheckUtils]: 23: Hoare triple {818#true} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {832#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:56:29,170 INFO L280 TraceCheckUtils]: 24: Hoare triple {832#(= 0 test_~splverifierCounter~0)} assume !false; {832#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:56:29,171 INFO L280 TraceCheckUtils]: 25: Hoare triple {832#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {819#false} is VALID [2020-07-10 13:56:29,171 INFO L263 TraceCheckUtils]: 26: Hoare triple {819#false} call cleanup(); {819#false} is VALID [2020-07-10 13:56:29,171 INFO L280 TraceCheckUtils]: 27: Hoare triple {819#false} havoc ~i~0;havoc ~__cil_tmp2~0; {819#false} is VALID [2020-07-10 13:56:29,172 INFO L263 TraceCheckUtils]: 28: Hoare triple {819#false} call timeShift(); {819#false} is VALID [2020-07-10 13:56:29,172 INFO L280 TraceCheckUtils]: 29: Hoare triple {819#false} assume !(0 != ~pumpRunning~0); {819#false} is VALID [2020-07-10 13:56:29,172 INFO L280 TraceCheckUtils]: 30: Hoare triple {819#false} assume !(0 != ~systemActive~0); {819#false} is VALID [2020-07-10 13:56:29,172 INFO L263 TraceCheckUtils]: 31: Hoare triple {819#false} call __utac_acc__Specification3_spec__1(); {819#false} is VALID [2020-07-10 13:56:29,173 INFO L280 TraceCheckUtils]: 32: Hoare triple {819#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {819#false} is VALID [2020-07-10 13:56:29,173 INFO L263 TraceCheckUtils]: 33: Hoare triple {819#false} call #t~ret23 := isMethaneLevelCritical(); {818#true} is VALID [2020-07-10 13:56:29,173 INFO L280 TraceCheckUtils]: 34: Hoare triple {818#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {818#true} is VALID [2020-07-10 13:56:29,173 INFO L280 TraceCheckUtils]: 35: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,174 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {818#true} {819#false} #449#return; {819#false} is VALID [2020-07-10 13:56:29,174 INFO L280 TraceCheckUtils]: 37: Hoare triple {819#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {819#false} is VALID [2020-07-10 13:56:29,174 INFO L280 TraceCheckUtils]: 38: Hoare triple {819#false} assume !(0 != ~tmp~3); {819#false} is VALID [2020-07-10 13:56:29,174 INFO L263 TraceCheckUtils]: 39: Hoare triple {819#false} call #t~ret24 := getWaterLevel(); {818#true} is VALID [2020-07-10 13:56:29,175 INFO L280 TraceCheckUtils]: 40: Hoare triple {818#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {818#true} is VALID [2020-07-10 13:56:29,175 INFO L280 TraceCheckUtils]: 41: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,175 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {818#true} {819#false} #451#return; {819#false} is VALID [2020-07-10 13:56:29,175 INFO L280 TraceCheckUtils]: 43: Hoare triple {819#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {819#false} is VALID [2020-07-10 13:56:29,176 INFO L280 TraceCheckUtils]: 44: Hoare triple {819#false} assume 2 == ~tmp___0~1; {819#false} is VALID [2020-07-10 13:56:29,176 INFO L263 TraceCheckUtils]: 45: Hoare triple {819#false} call #t~ret25 := isPumpRunning(); {818#true} is VALID [2020-07-10 13:56:29,176 INFO L280 TraceCheckUtils]: 46: Hoare triple {818#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {818#true} is VALID [2020-07-10 13:56:29,176 INFO L280 TraceCheckUtils]: 47: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-10 13:56:29,177 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {818#true} {819#false} #453#return; {819#false} is VALID [2020-07-10 13:56:29,177 INFO L280 TraceCheckUtils]: 49: Hoare triple {819#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {819#false} is VALID [2020-07-10 13:56:29,177 INFO L280 TraceCheckUtils]: 50: Hoare triple {819#false} assume !(0 != ~tmp___1~1); {819#false} is VALID [2020-07-10 13:56:29,177 INFO L263 TraceCheckUtils]: 51: Hoare triple {819#false} call __automaton_fail(); {819#false} is VALID [2020-07-10 13:56:29,178 INFO L280 TraceCheckUtils]: 52: Hoare triple {819#false} assume !false; {819#false} is VALID [2020-07-10 13:56:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:29,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874268184] [2020-07-10 13:56:29,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:29,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 13:56:29,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489562728] [2020-07-10 13:56:29,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:56:29,187 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:29,187 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 13:56:29,280 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:29,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 13:56:29,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:29,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 13:56:29,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 13:56:29,281 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 4 states. [2020-07-10 13:56:30,563 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-10 13:56:32,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:32,669 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2020-07-10 13:56:32,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 13:56:32,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:56:32,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:56:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2020-07-10 13:56:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:56:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2020-07-10 13:56:32,681 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 175 transitions. [2020-07-10 13:56:33,292 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:33,298 INFO L225 Difference]: With dead ends: 144 [2020-07-10 13:56:33,298 INFO L226 Difference]: Without dead ends: 99 [2020-07-10 13:56:33,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 13:56:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-10 13:56:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-10 13:56:34,164 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:56:34,165 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 78 states. [2020-07-10 13:56:34,165 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 78 states. [2020-07-10 13:56:34,165 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 78 states. [2020-07-10 13:56:34,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:34,172 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2020-07-10 13:56:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2020-07-10 13:56:34,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:34,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:34,174 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 99 states. [2020-07-10 13:56:34,174 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 99 states. [2020-07-10 13:56:34,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:34,180 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2020-07-10 13:56:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2020-07-10 13:56:34,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:34,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:34,182 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:56:34,182 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:56:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-10 13:56:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2020-07-10 13:56:34,186 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2020-07-10 13:56:34,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:56:34,186 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2020-07-10 13:56:34,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 13:56:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2020-07-10 13:56:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-10 13:56:34,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:34,188 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] [2020-07-10 13:56:34,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 13:56:34,188 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:34,189 INFO L82 PathProgramCache]: Analyzing trace with hash 884065604, now seen corresponding path program 1 times [2020-07-10 13:56:34,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:34,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225676046] [2020-07-10 13:56:34,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,580 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,679 INFO L280 TraceCheckUtils]: 0: Hoare triple {1392#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {1370#(= 1 ~systemActive~0)} assume true; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,703 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1370#(= 1 ~systemActive~0)} {1365#true} #457#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,716 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,720 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #377#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,727 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,728 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #379#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,798 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:56:34,798 INFO L280 TraceCheckUtils]: 1: Hoare triple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:56:34,800 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1370#(= 1 ~systemActive~0)} #381#return; {1378#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-10 13:56:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,804 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,805 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1365#true} {1380#(not (= 0 ~systemActive~0))} #383#return; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,808 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1365#true} is VALID [2020-07-10 13:56:34,808 INFO L280 TraceCheckUtils]: 1: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,809 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1365#true} {1366#false} #449#return; {1366#false} is VALID [2020-07-10 13:56:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,812 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1365#true} is VALID [2020-07-10 13:56:34,813 INFO L280 TraceCheckUtils]: 1: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,813 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1365#true} {1366#false} #451#return; {1366#false} is VALID [2020-07-10 13:56:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:34,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1365#true} is VALID [2020-07-10 13:56:34,816 INFO L280 TraceCheckUtils]: 1: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,817 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1365#true} {1366#false} #453#return; {1366#false} is VALID [2020-07-10 13:56:34,821 INFO L263 TraceCheckUtils]: 0: Hoare triple {1365#true} call ULTIMATE.init(); {1392#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:34,827 INFO L280 TraceCheckUtils]: 1: Hoare triple {1392#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,827 INFO L280 TraceCheckUtils]: 2: Hoare triple {1370#(= 1 ~systemActive~0)} assume true; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,828 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1370#(= 1 ~systemActive~0)} {1365#true} #457#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,829 INFO L263 TraceCheckUtils]: 4: Hoare triple {1370#(= 1 ~systemActive~0)} call #t~ret72 := main(); {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,830 INFO L280 TraceCheckUtils]: 5: Hoare triple {1370#(= 1 ~systemActive~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,831 INFO L263 TraceCheckUtils]: 6: Hoare triple {1370#(= 1 ~systemActive~0)} call select_helpers(); {1365#true} is VALID [2020-07-10 13:56:34,831 INFO L280 TraceCheckUtils]: 7: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,832 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #377#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,832 INFO L263 TraceCheckUtils]: 9: Hoare triple {1370#(= 1 ~systemActive~0)} call select_features(); {1365#true} is VALID [2020-07-10 13:56:34,832 INFO L280 TraceCheckUtils]: 10: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,836 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #379#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:34,836 INFO L263 TraceCheckUtils]: 12: Hoare triple {1370#(= 1 ~systemActive~0)} call #t~ret0 := valid_product(); {1365#true} is VALID [2020-07-10 13:56:34,837 INFO L280 TraceCheckUtils]: 13: Hoare triple {1365#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:56:34,837 INFO L280 TraceCheckUtils]: 14: Hoare triple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:56:34,838 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1370#(= 1 ~systemActive~0)} #381#return; {1378#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-10 13:56:34,839 INFO L280 TraceCheckUtils]: 16: Hoare triple {1378#(= |main_#t~ret0| ~systemActive~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1379#(= main_~tmp~0 ~systemActive~0)} is VALID [2020-07-10 13:56:34,840 INFO L280 TraceCheckUtils]: 17: Hoare triple {1379#(= main_~tmp~0 ~systemActive~0)} assume 0 != ~tmp~0; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,840 INFO L263 TraceCheckUtils]: 18: Hoare triple {1380#(not (= 0 ~systemActive~0))} call setup(); {1365#true} is VALID [2020-07-10 13:56:34,840 INFO L280 TraceCheckUtils]: 19: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,841 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1365#true} {1380#(not (= 0 ~systemActive~0))} #383#return; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,844 INFO L263 TraceCheckUtils]: 21: Hoare triple {1380#(not (= 0 ~systemActive~0))} call runTest(); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,844 INFO L263 TraceCheckUtils]: 22: Hoare triple {1380#(not (= 0 ~systemActive~0))} call test(); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,845 INFO L280 TraceCheckUtils]: 23: Hoare triple {1380#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,850 INFO L280 TraceCheckUtils]: 24: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !false; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,850 INFO L280 TraceCheckUtils]: 25: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,851 INFO L280 TraceCheckUtils]: 26: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~tmp~1 := #t~nondet1;havoc #t~nondet1; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,851 INFO L280 TraceCheckUtils]: 27: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~1); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,852 INFO L280 TraceCheckUtils]: 28: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~tmp___0~0 := #t~nondet2;havoc #t~nondet2; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,852 INFO L280 TraceCheckUtils]: 29: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,853 INFO L280 TraceCheckUtils]: 30: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~tmp___2~0 := #t~nondet3;havoc #t~nondet3; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,854 INFO L280 TraceCheckUtils]: 31: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,854 INFO L263 TraceCheckUtils]: 32: Hoare triple {1380#(not (= 0 ~systemActive~0))} call timeShift(); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,855 INFO L280 TraceCheckUtils]: 33: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:34,855 INFO L280 TraceCheckUtils]: 34: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1366#false} is VALID [2020-07-10 13:56:34,855 INFO L263 TraceCheckUtils]: 35: Hoare triple {1366#false} call __utac_acc__Specification3_spec__1(); {1366#false} is VALID [2020-07-10 13:56:34,856 INFO L280 TraceCheckUtils]: 36: Hoare triple {1366#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {1366#false} is VALID [2020-07-10 13:56:34,856 INFO L263 TraceCheckUtils]: 37: Hoare triple {1366#false} call #t~ret23 := isMethaneLevelCritical(); {1365#true} is VALID [2020-07-10 13:56:34,856 INFO L280 TraceCheckUtils]: 38: Hoare triple {1365#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1365#true} is VALID [2020-07-10 13:56:34,856 INFO L280 TraceCheckUtils]: 39: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,857 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1365#true} {1366#false} #449#return; {1366#false} is VALID [2020-07-10 13:56:34,857 INFO L280 TraceCheckUtils]: 41: Hoare triple {1366#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {1366#false} is VALID [2020-07-10 13:56:34,857 INFO L280 TraceCheckUtils]: 42: Hoare triple {1366#false} assume !(0 != ~tmp~3); {1366#false} is VALID [2020-07-10 13:56:34,857 INFO L263 TraceCheckUtils]: 43: Hoare triple {1366#false} call #t~ret24 := getWaterLevel(); {1365#true} is VALID [2020-07-10 13:56:34,857 INFO L280 TraceCheckUtils]: 44: Hoare triple {1365#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1365#true} is VALID [2020-07-10 13:56:34,858 INFO L280 TraceCheckUtils]: 45: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,858 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1365#true} {1366#false} #451#return; {1366#false} is VALID [2020-07-10 13:56:34,858 INFO L280 TraceCheckUtils]: 47: Hoare triple {1366#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {1366#false} is VALID [2020-07-10 13:56:34,858 INFO L280 TraceCheckUtils]: 48: Hoare triple {1366#false} assume 2 == ~tmp___0~1; {1366#false} is VALID [2020-07-10 13:56:34,858 INFO L263 TraceCheckUtils]: 49: Hoare triple {1366#false} call #t~ret25 := isPumpRunning(); {1365#true} is VALID [2020-07-10 13:56:34,859 INFO L280 TraceCheckUtils]: 50: Hoare triple {1365#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1365#true} is VALID [2020-07-10 13:56:34,859 INFO L280 TraceCheckUtils]: 51: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-10 13:56:34,860 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1365#true} {1366#false} #453#return; {1366#false} is VALID [2020-07-10 13:56:34,860 INFO L280 TraceCheckUtils]: 53: Hoare triple {1366#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {1366#false} is VALID [2020-07-10 13:56:34,861 INFO L280 TraceCheckUtils]: 54: Hoare triple {1366#false} assume !(0 != ~tmp___1~1); {1366#false} is VALID [2020-07-10 13:56:34,861 INFO L263 TraceCheckUtils]: 55: Hoare triple {1366#false} call __automaton_fail(); {1366#false} is VALID [2020-07-10 13:56:34,861 INFO L280 TraceCheckUtils]: 56: Hoare triple {1366#false} assume !false; {1366#false} is VALID [2020-07-10 13:56:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:34,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225676046] [2020-07-10 13:56:34,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:34,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 13:56:34,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407050516] [2020-07-10 13:56:34,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-10 13:56:34,875 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:34,875 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 13:56:34,960 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:34,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 13:56:34,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:34,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 13:56:34,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 13:56:34,961 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 8 states. [2020-07-10 13:56:35,783 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:56:36,763 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-10 13:56:37,205 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:37,535 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:42,272 INFO L93 Difference]: Finished difference Result 153 states and 189 transitions. [2020-07-10 13:56:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 13:56:42,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-10 13:56:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:56:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2020-07-10 13:56:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:56:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2020-07-10 13:56:42,282 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 189 transitions. [2020-07-10 13:56:42,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:42,970 INFO L225 Difference]: With dead ends: 153 [2020-07-10 13:56:42,971 INFO L226 Difference]: Without dead ends: 99 [2020-07-10 13:56:42,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-10 13:56:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-10 13:56:43,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-10 13:56:43,887 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:56:43,887 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 78 states. [2020-07-10 13:56:43,887 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 78 states. [2020-07-10 13:56:43,887 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 78 states. [2020-07-10 13:56:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:43,893 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-10 13:56:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-10 13:56:43,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:43,894 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:43,894 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 99 states. [2020-07-10 13:56:43,894 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 99 states. [2020-07-10 13:56:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:43,900 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-10 13:56:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-10 13:56:43,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:43,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:43,901 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:56:43,901 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:56:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-10 13:56:43,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2020-07-10 13:56:43,904 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2020-07-10 13:56:43,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:56:43,905 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2020-07-10 13:56:43,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 13:56:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2020-07-10 13:56:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-10 13:56:43,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:43,907 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] [2020-07-10 13:56:43,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 13:56:43,907 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:43,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:43,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1049632545, now seen corresponding path program 1 times [2020-07-10 13:56:43,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:43,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207629676] [2020-07-10 13:56:43,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,273 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,368 INFO L280 TraceCheckUtils]: 0: Hoare triple {1961#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,371 INFO L280 TraceCheckUtils]: 1: Hoare triple {1938#(= 1 ~waterLevel~0)} assume true; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,372 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1938#(= 1 ~waterLevel~0)} {1933#true} #457#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,378 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,379 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #377#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,384 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,385 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #379#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,393 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1933#true} is VALID [2020-07-10 13:56:44,393 INFO L280 TraceCheckUtils]: 1: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,394 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #381#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,398 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,398 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #383#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,402 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,402 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #431#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,407 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1933#true} is VALID [2020-07-10 13:56:44,407 INFO L280 TraceCheckUtils]: 1: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,408 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #449#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,424 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:44,424 INFO L280 TraceCheckUtils]: 1: Hoare triple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:44,425 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} {1938#(= 1 ~waterLevel~0)} #451#return; {1956#(= 1 |__utac_acc__Specification3_spec__1_#t~ret24|)} is VALID [2020-07-10 13:56:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:44,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1933#true} is VALID [2020-07-10 13:56:44,435 INFO L280 TraceCheckUtils]: 1: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,435 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1933#true} {1934#false} #453#return; {1934#false} is VALID [2020-07-10 13:56:44,439 INFO L263 TraceCheckUtils]: 0: Hoare triple {1933#true} call ULTIMATE.init(); {1961#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:44,445 INFO L280 TraceCheckUtils]: 1: Hoare triple {1961#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,445 INFO L280 TraceCheckUtils]: 2: Hoare triple {1938#(= 1 ~waterLevel~0)} assume true; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,446 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1938#(= 1 ~waterLevel~0)} {1933#true} #457#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,447 INFO L263 TraceCheckUtils]: 4: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret72 := main(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,449 INFO L280 TraceCheckUtils]: 5: Hoare triple {1938#(= 1 ~waterLevel~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,449 INFO L263 TraceCheckUtils]: 6: Hoare triple {1938#(= 1 ~waterLevel~0)} call select_helpers(); {1933#true} is VALID [2020-07-10 13:56:44,449 INFO L280 TraceCheckUtils]: 7: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,452 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #377#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,453 INFO L263 TraceCheckUtils]: 9: Hoare triple {1938#(= 1 ~waterLevel~0)} call select_features(); {1933#true} is VALID [2020-07-10 13:56:44,453 INFO L280 TraceCheckUtils]: 10: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,454 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #379#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,454 INFO L263 TraceCheckUtils]: 12: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret0 := valid_product(); {1933#true} is VALID [2020-07-10 13:56:44,454 INFO L280 TraceCheckUtils]: 13: Hoare triple {1933#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1933#true} is VALID [2020-07-10 13:56:44,454 INFO L280 TraceCheckUtils]: 14: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,455 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #381#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,456 INFO L280 TraceCheckUtils]: 16: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,456 INFO L280 TraceCheckUtils]: 17: Hoare triple {1938#(= 1 ~waterLevel~0)} assume 0 != ~tmp~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,456 INFO L263 TraceCheckUtils]: 18: Hoare triple {1938#(= 1 ~waterLevel~0)} call setup(); {1933#true} is VALID [2020-07-10 13:56:44,457 INFO L280 TraceCheckUtils]: 19: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,457 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #383#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,458 INFO L263 TraceCheckUtils]: 21: Hoare triple {1938#(= 1 ~waterLevel~0)} call runTest(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,460 INFO L263 TraceCheckUtils]: 22: Hoare triple {1938#(= 1 ~waterLevel~0)} call test(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,461 INFO L280 TraceCheckUtils]: 23: Hoare triple {1938#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,461 INFO L280 TraceCheckUtils]: 24: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !false; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,462 INFO L280 TraceCheckUtils]: 25: Hoare triple {1938#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,462 INFO L280 TraceCheckUtils]: 26: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~tmp~1 := #t~nondet1;havoc #t~nondet1; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,463 INFO L280 TraceCheckUtils]: 27: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~1); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,463 INFO L280 TraceCheckUtils]: 28: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~tmp___0~0 := #t~nondet2;havoc #t~nondet2; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,464 INFO L280 TraceCheckUtils]: 29: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~0); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,464 INFO L280 TraceCheckUtils]: 30: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~tmp___2~0 := #t~nondet3;havoc #t~nondet3; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,464 INFO L280 TraceCheckUtils]: 31: Hoare triple {1938#(= 1 ~waterLevel~0)} assume 0 != ~tmp___2~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,465 INFO L263 TraceCheckUtils]: 32: Hoare triple {1938#(= 1 ~waterLevel~0)} call timeShift(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,465 INFO L280 TraceCheckUtils]: 33: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,466 INFO L280 TraceCheckUtils]: 34: Hoare triple {1938#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,466 INFO L263 TraceCheckUtils]: 35: Hoare triple {1938#(= 1 ~waterLevel~0)} call processEnvironment(); {1933#true} is VALID [2020-07-10 13:56:44,466 INFO L280 TraceCheckUtils]: 36: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,466 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #431#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,467 INFO L263 TraceCheckUtils]: 38: Hoare triple {1938#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,467 INFO L280 TraceCheckUtils]: 39: Hoare triple {1938#(= 1 ~waterLevel~0)} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,467 INFO L263 TraceCheckUtils]: 40: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret23 := isMethaneLevelCritical(); {1933#true} is VALID [2020-07-10 13:56:44,468 INFO L280 TraceCheckUtils]: 41: Hoare triple {1933#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1933#true} is VALID [2020-07-10 13:56:44,468 INFO L280 TraceCheckUtils]: 42: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,468 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #449#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,469 INFO L280 TraceCheckUtils]: 44: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,469 INFO L280 TraceCheckUtils]: 45: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~3); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:44,469 INFO L263 TraceCheckUtils]: 46: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret24 := getWaterLevel(); {1933#true} is VALID [2020-07-10 13:56:44,470 INFO L280 TraceCheckUtils]: 47: Hoare triple {1933#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:44,471 INFO L280 TraceCheckUtils]: 48: Hoare triple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:44,471 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} {1938#(= 1 ~waterLevel~0)} #451#return; {1956#(= 1 |__utac_acc__Specification3_spec__1_#t~ret24|)} is VALID [2020-07-10 13:56:44,472 INFO L280 TraceCheckUtils]: 50: Hoare triple {1956#(= 1 |__utac_acc__Specification3_spec__1_#t~ret24|)} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {1957#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-10 13:56:44,472 INFO L280 TraceCheckUtils]: 51: Hoare triple {1957#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == ~tmp___0~1; {1934#false} is VALID [2020-07-10 13:56:44,473 INFO L263 TraceCheckUtils]: 52: Hoare triple {1934#false} call #t~ret25 := isPumpRunning(); {1933#true} is VALID [2020-07-10 13:56:44,473 INFO L280 TraceCheckUtils]: 53: Hoare triple {1933#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1933#true} is VALID [2020-07-10 13:56:44,473 INFO L280 TraceCheckUtils]: 54: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-10 13:56:44,473 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {1933#true} {1934#false} #453#return; {1934#false} is VALID [2020-07-10 13:56:44,473 INFO L280 TraceCheckUtils]: 56: Hoare triple {1934#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {1934#false} is VALID [2020-07-10 13:56:44,474 INFO L280 TraceCheckUtils]: 57: Hoare triple {1934#false} assume !(0 != ~tmp___1~1); {1934#false} is VALID [2020-07-10 13:56:44,474 INFO L263 TraceCheckUtils]: 58: Hoare triple {1934#false} call __automaton_fail(); {1934#false} is VALID [2020-07-10 13:56:44,474 INFO L280 TraceCheckUtils]: 59: Hoare triple {1934#false} assume !false; {1934#false} is VALID [2020-07-10 13:56:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:44,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207629676] [2020-07-10 13:56:44,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:44,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 13:56:44,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620035815] [2020-07-10 13:56:44,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-10 13:56:44,484 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:44,485 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 13:56:44,565 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:44,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 13:56:44,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:44,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 13:56:44,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-10 13:56:44,567 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 7 states. [2020-07-10 13:56:45,413 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:56:50,113 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:50,694 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:51,076 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:51,545 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:56:52,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:52,858 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2020-07-10 13:56:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 13:56:52,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-10 13:56:52,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 13:56:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 245 transitions. [2020-07-10 13:56:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 13:56:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 245 transitions. [2020-07-10 13:56:52,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 245 transitions. [2020-07-10 13:56:53,780 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 245 edges. 245 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:53,787 INFO L225 Difference]: With dead ends: 196 [2020-07-10 13:56:53,787 INFO L226 Difference]: Without dead ends: 142 [2020-07-10 13:56:53,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-10 13:56:53,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-10 13:56:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 128. [2020-07-10 13:56:55,221 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:56:55,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 142 states. Second operand 128 states. [2020-07-10 13:56:55,221 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand 128 states. [2020-07-10 13:56:55,221 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 128 states. [2020-07-10 13:56:55,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:55,228 INFO L93 Difference]: Finished difference Result 142 states and 172 transitions. [2020-07-10 13:56:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2020-07-10 13:56:55,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:55,229 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:55,230 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 142 states. [2020-07-10 13:56:55,230 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 142 states. [2020-07-10 13:56:55,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:55,237 INFO L93 Difference]: Finished difference Result 142 states and 172 transitions. [2020-07-10 13:56:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2020-07-10 13:56:55,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:55,238 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:55,238 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:56:55,238 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:56:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-10 13:56:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-07-10 13:56:55,244 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 60 [2020-07-10 13:56:55,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:56:55,244 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-07-10 13:56:55,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 13:56:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-07-10 13:56:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-10 13:56:55,246 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:55,246 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] [2020-07-10 13:56:55,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 13:56:55,246 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:55,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:55,247 INFO L82 PathProgramCache]: Analyzing trace with hash 412614971, now seen corresponding path program 1 times [2020-07-10 13:56:55,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:55,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916068318] [2020-07-10 13:56:55,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,570 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,686 INFO L280 TraceCheckUtils]: 0: Hoare triple {2748#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,687 INFO L280 TraceCheckUtils]: 1: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume true; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,688 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2724#(= 0 ~pumpRunning~0)} {2719#true} #457#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,694 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,695 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #377#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,698 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,699 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #379#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,706 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {2719#true} is VALID [2020-07-10 13:56:55,707 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,708 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #381#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,714 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,715 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #383#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,729 INFO L280 TraceCheckUtils]: 0: Hoare triple {2749#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2719#true} is VALID [2020-07-10 13:56:55,729 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,730 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #429#return; {2720#false} is VALID [2020-07-10 13:56:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,732 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,733 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2720#false} #431#return; {2720#false} is VALID [2020-07-10 13:56:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,737 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2719#true} is VALID [2020-07-10 13:56:55,738 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,738 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #449#return; {2720#false} is VALID [2020-07-10 13:56:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,746 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2719#true} is VALID [2020-07-10 13:56:55,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,747 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #451#return; {2720#false} is VALID [2020-07-10 13:56:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:55,751 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {2719#true} is VALID [2020-07-10 13:56:55,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,752 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #453#return; {2720#false} is VALID [2020-07-10 13:56:55,762 INFO L263 TraceCheckUtils]: 0: Hoare triple {2719#true} call ULTIMATE.init(); {2748#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:55,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {2748#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume true; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,769 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2724#(= 0 ~pumpRunning~0)} {2719#true} #457#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,770 INFO L263 TraceCheckUtils]: 4: Hoare triple {2724#(= 0 ~pumpRunning~0)} call #t~ret72 := main(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,771 INFO L280 TraceCheckUtils]: 5: Hoare triple {2724#(= 0 ~pumpRunning~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,771 INFO L263 TraceCheckUtils]: 6: Hoare triple {2724#(= 0 ~pumpRunning~0)} call select_helpers(); {2719#true} is VALID [2020-07-10 13:56:55,771 INFO L280 TraceCheckUtils]: 7: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,772 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #377#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,772 INFO L263 TraceCheckUtils]: 9: Hoare triple {2724#(= 0 ~pumpRunning~0)} call select_features(); {2719#true} is VALID [2020-07-10 13:56:55,773 INFO L280 TraceCheckUtils]: 10: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,774 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #379#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,774 INFO L263 TraceCheckUtils]: 12: Hoare triple {2724#(= 0 ~pumpRunning~0)} call #t~ret0 := valid_product(); {2719#true} is VALID [2020-07-10 13:56:55,774 INFO L280 TraceCheckUtils]: 13: Hoare triple {2719#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {2719#true} is VALID [2020-07-10 13:56:55,774 INFO L280 TraceCheckUtils]: 14: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,776 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #381#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,776 INFO L280 TraceCheckUtils]: 16: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,777 INFO L280 TraceCheckUtils]: 17: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume 0 != ~tmp~0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,777 INFO L263 TraceCheckUtils]: 18: Hoare triple {2724#(= 0 ~pumpRunning~0)} call setup(); {2719#true} is VALID [2020-07-10 13:56:55,777 INFO L280 TraceCheckUtils]: 19: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,778 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #383#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,779 INFO L263 TraceCheckUtils]: 21: Hoare triple {2724#(= 0 ~pumpRunning~0)} call runTest(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,779 INFO L263 TraceCheckUtils]: 22: Hoare triple {2724#(= 0 ~pumpRunning~0)} call test(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,780 INFO L280 TraceCheckUtils]: 23: Hoare triple {2724#(= 0 ~pumpRunning~0)} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,781 INFO L280 TraceCheckUtils]: 24: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume !false; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,781 INFO L280 TraceCheckUtils]: 25: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume ~splverifierCounter~0 < 4; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,782 INFO L280 TraceCheckUtils]: 26: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~tmp~1 := #t~nondet1;havoc #t~nondet1; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,782 INFO L280 TraceCheckUtils]: 27: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp~1); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,783 INFO L280 TraceCheckUtils]: 28: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~tmp___0~0 := #t~nondet2;havoc #t~nondet2; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,784 INFO L280 TraceCheckUtils]: 29: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___0~0); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,784 INFO L280 TraceCheckUtils]: 30: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~tmp___2~0 := #t~nondet3;havoc #t~nondet3; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,785 INFO L280 TraceCheckUtils]: 31: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume 0 != ~tmp___2~0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,786 INFO L263 TraceCheckUtils]: 32: Hoare triple {2724#(= 0 ~pumpRunning~0)} call timeShift(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:56:55,786 INFO L280 TraceCheckUtils]: 33: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2720#false} is VALID [2020-07-10 13:56:55,787 INFO L263 TraceCheckUtils]: 34: Hoare triple {2720#false} call lowerWaterLevel(); {2749#(= ~waterLevel~0 |old(~waterLevel~0)|)} is VALID [2020-07-10 13:56:55,787 INFO L280 TraceCheckUtils]: 35: Hoare triple {2749#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2719#true} is VALID [2020-07-10 13:56:55,787 INFO L280 TraceCheckUtils]: 36: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,788 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2719#true} {2720#false} #429#return; {2720#false} is VALID [2020-07-10 13:56:55,788 INFO L280 TraceCheckUtils]: 38: Hoare triple {2720#false} assume 0 != ~systemActive~0; {2720#false} is VALID [2020-07-10 13:56:55,788 INFO L263 TraceCheckUtils]: 39: Hoare triple {2720#false} call processEnvironment(); {2719#true} is VALID [2020-07-10 13:56:55,789 INFO L280 TraceCheckUtils]: 40: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,789 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2719#true} {2720#false} #431#return; {2720#false} is VALID [2020-07-10 13:56:55,789 INFO L263 TraceCheckUtils]: 42: Hoare triple {2720#false} call __utac_acc__Specification3_spec__1(); {2720#false} is VALID [2020-07-10 13:56:55,789 INFO L280 TraceCheckUtils]: 43: Hoare triple {2720#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {2720#false} is VALID [2020-07-10 13:56:55,790 INFO L263 TraceCheckUtils]: 44: Hoare triple {2720#false} call #t~ret23 := isMethaneLevelCritical(); {2719#true} is VALID [2020-07-10 13:56:55,790 INFO L280 TraceCheckUtils]: 45: Hoare triple {2719#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2719#true} is VALID [2020-07-10 13:56:55,790 INFO L280 TraceCheckUtils]: 46: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,791 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2719#true} {2720#false} #449#return; {2720#false} is VALID [2020-07-10 13:56:55,791 INFO L280 TraceCheckUtils]: 48: Hoare triple {2720#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {2720#false} is VALID [2020-07-10 13:56:55,792 INFO L280 TraceCheckUtils]: 49: Hoare triple {2720#false} assume !(0 != ~tmp~3); {2720#false} is VALID [2020-07-10 13:56:55,792 INFO L263 TraceCheckUtils]: 50: Hoare triple {2720#false} call #t~ret24 := getWaterLevel(); {2719#true} is VALID [2020-07-10 13:56:55,797 INFO L280 TraceCheckUtils]: 51: Hoare triple {2719#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2719#true} is VALID [2020-07-10 13:56:55,798 INFO L280 TraceCheckUtils]: 52: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,798 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {2719#true} {2720#false} #451#return; {2720#false} is VALID [2020-07-10 13:56:55,799 INFO L280 TraceCheckUtils]: 54: Hoare triple {2720#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {2720#false} is VALID [2020-07-10 13:56:55,799 INFO L280 TraceCheckUtils]: 55: Hoare triple {2720#false} assume 2 == ~tmp___0~1; {2720#false} is VALID [2020-07-10 13:56:55,800 INFO L263 TraceCheckUtils]: 56: Hoare triple {2720#false} call #t~ret25 := isPumpRunning(); {2719#true} is VALID [2020-07-10 13:56:55,800 INFO L280 TraceCheckUtils]: 57: Hoare triple {2719#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {2719#true} is VALID [2020-07-10 13:56:55,800 INFO L280 TraceCheckUtils]: 58: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-10 13:56:55,801 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {2719#true} {2720#false} #453#return; {2720#false} is VALID [2020-07-10 13:56:55,801 INFO L280 TraceCheckUtils]: 60: Hoare triple {2720#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {2720#false} is VALID [2020-07-10 13:56:55,801 INFO L280 TraceCheckUtils]: 61: Hoare triple {2720#false} assume !(0 != ~tmp___1~1); {2720#false} is VALID [2020-07-10 13:56:55,801 INFO L263 TraceCheckUtils]: 62: Hoare triple {2720#false} call __automaton_fail(); {2720#false} is VALID [2020-07-10 13:56:55,802 INFO L280 TraceCheckUtils]: 63: Hoare triple {2720#false} assume !false; {2720#false} is VALID [2020-07-10 13:56:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:55,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916068318] [2020-07-10 13:56:55,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:55,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 13:56:55,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424992690] [2020-07-10 13:56:55,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-07-10 13:56:55,820 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:55,821 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 13:56:55,916 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:55,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 13:56:55,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:55,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 13:56:55,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-10 13:56:55,918 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 5 states. [2020-07-10 13:56:56,625 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:56:59,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:59,609 INFO L93 Difference]: Finished difference Result 192 states and 233 transitions. [2020-07-10 13:56:59,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 13:56:59,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-07-10 13:56:59,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 13:56:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2020-07-10 13:56:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 13:56:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2020-07-10 13:56:59,619 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 190 transitions. [2020-07-10 13:57:00,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:00,204 INFO L225 Difference]: With dead ends: 192 [2020-07-10 13:57:00,204 INFO L226 Difference]: Without dead ends: 127 [2020-07-10 13:57:00,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-10 13:57:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-10 13:57:01,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-10 13:57:01,475 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:57:01,475 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 115 states. [2020-07-10 13:57:01,475 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 115 states. [2020-07-10 13:57:01,475 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 115 states. [2020-07-10 13:57:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:01,481 INFO L93 Difference]: Finished difference Result 127 states and 149 transitions. [2020-07-10 13:57:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2020-07-10 13:57:01,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:01,482 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:01,482 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 127 states. [2020-07-10 13:57:01,482 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 127 states. [2020-07-10 13:57:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:01,487 INFO L93 Difference]: Finished difference Result 127 states and 149 transitions. [2020-07-10 13:57:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2020-07-10 13:57:01,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:01,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:01,488 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:57:01,489 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:57:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-10 13:57:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2020-07-10 13:57:01,493 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 64 [2020-07-10 13:57:01,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:57:01,494 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2020-07-10 13:57:01,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 13:57:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2020-07-10 13:57:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-10 13:57:01,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:01,495 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] [2020-07-10 13:57:01,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 13:57:01,495 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:01,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:01,496 INFO L82 PathProgramCache]: Analyzing trace with hash -509227045, now seen corresponding path program 1 times [2020-07-10 13:57:01,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:01,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151690356] [2020-07-10 13:57:01,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:57:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:57:01,667 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 13:57:01,667 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 13:57:01,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-10 13:57:01,849 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-10 13:57:01,849 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-10 13:57:01,849 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-10 13:57:01,849 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-10 13:57:01,849 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 13:57:01,849 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:57:01,849 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-10 13:57:01,850 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: processEnvironmentFINAL has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-10 13:57:01,851 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:01,852 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-10 13:57:01,853 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: L554-2 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: L554-2 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: L554-2 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-10 13:57:01,854 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseFINAL has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-10 13:57:01,855 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-10 13:57:01,856 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L816-1 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-10 13:57:01,857 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L792-1 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:57:01,858 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L804-1 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L126-1 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: L126-1 has no Hoare annotation [2020-07-10 13:57:01,859 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseEXIT has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: L320-2 has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-10 13:57:01,860 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L753-1 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-10 13:57:01,861 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: L841-2 has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:57:01,862 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: L358-1 has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 13:57:01,863 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-10 13:57:01,864 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L279-1 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L368-1 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-10 13:57:01,865 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: L275 has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: L275 has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2020-07-10 13:57:01,866 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L183-1 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L364-1 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L360 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L360 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-10 13:57:01,867 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: L173-1 has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: L366-1 has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: L503-1 has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: L560-1 has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-10 13:57:01,868 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: L332-2 has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,869 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-10 13:57:01,870 WARN L170 areAnnotationChecker]: L678 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L678 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-10 13:57:01,871 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-10 13:57:01,872 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L655-1 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-10 13:57:01,873 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-10 13:57:01,874 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-10 13:57:01,874 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-10 13:57:01,874 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 13:57:01,874 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-10 13:57:01,874 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-10 13:57:01,874 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-10 13:57:01,874 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-10 13:57:01,876 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-10 13:57:01,876 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-10 13:57:01,876 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-10 13:57:01,876 WARN L170 areAnnotationChecker]: L660 has no Hoare annotation [2020-07-10 13:57:01,876 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-10 13:57:01,876 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L679 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L679 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-10 13:57:01,877 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-10 13:57:01,878 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L655 has no Hoare annotation [2020-07-10 13:57:01,879 WARN L170 areAnnotationChecker]: L655 has no Hoare annotation [2020-07-10 13:57:01,880 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:01,880 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:01,880 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:01,880 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:01,880 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:01,880 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:01,880 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:01,880 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 13:57:01,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:57:01 BoogieIcfgContainer [2020-07-10 13:57:01,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 13:57:01,899 INFO L168 Benchmark]: Toolchain (without parser) took 42566.23 ms. Allocated memory was 136.3 MB in the beginning and 660.1 MB in the end (delta: 523.8 MB). Free memory was 99.1 MB in the beginning and 323.7 MB in the end (delta: -224.6 MB). Peak memory consumption was 299.1 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:01,900 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 136.3 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 13:57:01,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.21 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 170.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:01,904 INFO L168 Benchmark]: Boogie Preprocessor took 113.05 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:01,904 INFO L168 Benchmark]: RCFGBuilder took 1744.06 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 164.3 MB in the beginning and 102.4 MB in the end (delta: 61.9 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:01,905 INFO L168 Benchmark]: TraceAbstraction took 39941.27 ms. Allocated memory was 229.6 MB in the beginning and 660.1 MB in the end (delta: 430.4 MB). Free memory was 102.4 MB in the beginning and 323.7 MB in the end (delta: -221.3 MB). Peak memory consumption was 209.1 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:01,910 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 0.51 ms. Allocated memory is still 136.3 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.21 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.9 MB in the beginning and 170.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.05 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1744.06 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 164.3 MB in the beginning and 102.4 MB in the end (delta: 61.9 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39941.27 ms. Allocated memory was 229.6 MB in the beginning and 660.1 MB in the end (delta: 430.4 MB). Free memory was 102.4 MB in the beginning and 323.7 MB in the end (delta: -221.3 MB). Peak memory consumption was 209.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L163] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] tmp = __VERIFIER_nondet_int() [L173] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L175] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L206] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L358] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L364] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] tmp___0 = getWaterLevel() [L366] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] int retValue_acc ; [L308] retValue_acc = pumpRunning [L309] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L368] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] tmp___1 = isPumpRunning() [L370] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L374] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 30.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 364 SDtfs, 509 SDslu, 193 SDs, 0 SdLazy, 957 SolverSat, 289 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 96 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 78876 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...