/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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:18:48,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:18:48,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:18:48,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:18:48,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:18:48,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:18:48,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:18:48,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:18:48,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:18:48,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:18:48,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:18:48,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:18:48,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:18:48,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:18:48,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:18:48,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:18:48,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:18:48,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:18:48,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:18:48,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:18:48,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:18:48,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:18:48,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:18:48,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:18:48,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:18:48,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:18:48,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:18:48,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:18:48,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:18:48,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:18:48,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:18:48,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:18:48,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:18:48,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:18:48,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:18:48,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:18:48,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:18:48,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:18:48,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:18:48,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:18:48,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:18:48,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 21:18:48,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:18:48,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:18:48,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:18:48,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:18:48,201 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:18:48,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:18:48,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:18:48,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:18:48,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:18:48,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:18:48,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:18:48,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:18:48,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:18:48,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:18:48,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:18:48,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:18:48,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:18:48,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:18:48,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:18:48,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:18:48,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:18:48,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:18:48,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:18:48,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:18:48,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:18:48,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:18:48,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:18:48,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:18:48,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:18:48,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:18:48,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:18:48,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:18:48,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:18:48,497 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:18:48,497 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:18:48,498 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c [2020-07-17 21:18:48,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd16f600/57c8a88dfb3a4639a113ab95daaa1ecc/FLAG926476d2f [2020-07-17 21:18:49,140 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:18:49,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c [2020-07-17 21:18:49,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd16f600/57c8a88dfb3a4639a113ab95daaa1ecc/FLAG926476d2f [2020-07-17 21:18:49,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd16f600/57c8a88dfb3a4639a113ab95daaa1ecc [2020-07-17 21:18:49,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:18:49,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:18:49,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:18:49,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:18:49,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:18:49,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:18:49" (1/1) ... [2020-07-17 21:18:49,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbfec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:49, skipping insertion in model container [2020-07-17 21:18:49,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:18:49" (1/1) ... [2020-07-17 21:18:49,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:18:49,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:18:49,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:18:49,968 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:18:50,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:18:50,115 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:18:50,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50 WrapperNode [2020-07-17 21:18:50,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:18:50,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:18:50,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:18:50,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:18:50,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... [2020-07-17 21:18:50,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... [2020-07-17 21:18:50,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... [2020-07-17 21:18:50,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... [2020-07-17 21:18:50,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... [2020-07-17 21:18:50,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... [2020-07-17 21:18:50,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... [2020-07-17 21:18:50,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:18:50,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:18:50,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:18:50,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:18:50,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:18:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:18:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:18:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:18:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:18:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:18:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:18:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:18:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:18:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:18:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:18:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:18:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:18:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:18:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:18:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:18:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:18:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:18:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:18:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:18:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:18:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:18:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 21:18:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:18:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:18:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:18:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:18:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:18:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:18:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:18:50,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:18:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:18:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:18:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:18:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:18:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:18:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:18:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:18:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:18:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:18:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:18:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:18:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:18:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:18:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:18:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:18:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:18:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:18:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:18:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:18:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:18:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:18:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:18:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:18:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:18:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:18:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:18:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:18:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:18:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:18:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:18:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:18:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:18:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:18:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:18:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:18:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:18:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:18:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:18:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 21:18:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:18:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:18:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:18:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:18:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:18:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:18:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:18:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:18:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:18:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:18:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:18:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:18:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:18:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:18:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:18:52,030 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:18:52,031 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:18:52,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:18:52 BoogieIcfgContainer [2020-07-17 21:18:52,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:18:52,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:18:52,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:18:52,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:18:52,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:18:49" (1/3) ... [2020-07-17 21:18:52,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff048c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:18:52, skipping insertion in model container [2020-07-17 21:18:52,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:50" (2/3) ... [2020-07-17 21:18:52,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff048c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:18:52, skipping insertion in model container [2020-07-17 21:18:52,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:18:52" (3/3) ... [2020-07-17 21:18:52,052 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2020-07-17 21:18:52,064 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:18:52,075 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:18:52,092 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:18:52,126 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:18:52,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:18:52,127 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:18:52,127 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:18:52,127 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:18:52,128 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:18:52,128 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:18:52,129 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:18:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-17 21:18:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:18:52,170 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:18:52,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:18:52,172 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:18:52,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:18:52,180 INFO L82 PathProgramCache]: Analyzing trace with hash 761454740, now seen corresponding path program 1 times [2020-07-17 21:18:52,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:18:52,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854367172] [2020-07-17 21:18:52,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:18:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:52,948 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:18:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,038 INFO L280 TraceCheckUtils]: 0: Hoare triple {163#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {140#true} is VALID [2020-07-17 21:18:53,039 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,039 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {140#true} #447#return; {140#true} is VALID [2020-07-17 21:18:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,058 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {140#true} {140#true} #369#return; {140#true} is VALID [2020-07-17 21:18:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,063 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,063 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {140#true} {140#true} #371#return; {140#true} is VALID [2020-07-17 21:18:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,071 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {140#true} is VALID [2020-07-17 21:18:53,071 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,071 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {140#true} #373#return; {140#true} is VALID [2020-07-17 21:18:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,076 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,076 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {140#true} {140#true} #375#return; {140#true} is VALID [2020-07-17 21:18:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,084 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {140#true} is VALID [2020-07-17 21:18:53,085 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,085 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {141#false} #439#return; {141#false} is VALID [2020-07-17 21:18:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,099 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {140#true} is VALID [2020-07-17 21:18:53,100 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,100 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {141#false} #441#return; {141#false} is VALID [2020-07-17 21:18:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:53,111 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {140#true} is VALID [2020-07-17 21:18:53,111 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,112 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {141#false} #443#return; {141#false} is VALID [2020-07-17 21:18:53,117 INFO L263 TraceCheckUtils]: 0: Hoare triple {140#true} call ULTIMATE.init(); {163#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:18:53,118 INFO L280 TraceCheckUtils]: 1: Hoare triple {163#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {140#true} is VALID [2020-07-17 21:18:53,118 INFO L280 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,118 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #447#return; {140#true} is VALID [2020-07-17 21:18:53,119 INFO L263 TraceCheckUtils]: 4: Hoare triple {140#true} call #t~ret71 := main(); {140#true} is VALID [2020-07-17 21:18:53,119 INFO L280 TraceCheckUtils]: 5: Hoare triple {140#true} havoc ~retValue_acc~7;havoc ~tmp~5; {140#true} is VALID [2020-07-17 21:18:53,119 INFO L263 TraceCheckUtils]: 6: Hoare triple {140#true} call select_helpers(); {140#true} is VALID [2020-07-17 21:18:53,120 INFO L280 TraceCheckUtils]: 7: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,120 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {140#true} {140#true} #369#return; {140#true} is VALID [2020-07-17 21:18:53,120 INFO L263 TraceCheckUtils]: 9: Hoare triple {140#true} call select_features(); {140#true} is VALID [2020-07-17 21:18:53,121 INFO L280 TraceCheckUtils]: 10: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,121 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {140#true} {140#true} #371#return; {140#true} is VALID [2020-07-17 21:18:53,121 INFO L263 TraceCheckUtils]: 12: Hoare triple {140#true} call #t~ret60 := valid_product(); {140#true} is VALID [2020-07-17 21:18:53,122 INFO L280 TraceCheckUtils]: 13: Hoare triple {140#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {140#true} is VALID [2020-07-17 21:18:53,122 INFO L280 TraceCheckUtils]: 14: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,123 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {140#true} {140#true} #373#return; {140#true} is VALID [2020-07-17 21:18:53,123 INFO L280 TraceCheckUtils]: 16: Hoare triple {140#true} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {140#true} is VALID [2020-07-17 21:18:53,123 INFO L280 TraceCheckUtils]: 17: Hoare triple {140#true} assume 0 != ~tmp~5; {140#true} is VALID [2020-07-17 21:18:53,124 INFO L263 TraceCheckUtils]: 18: Hoare triple {140#true} call setup(); {140#true} is VALID [2020-07-17 21:18:53,124 INFO L280 TraceCheckUtils]: 19: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,124 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {140#true} {140#true} #375#return; {140#true} is VALID [2020-07-17 21:18:53,125 INFO L263 TraceCheckUtils]: 21: Hoare triple {140#true} call runTest(); {140#true} is VALID [2020-07-17 21:18:53,125 INFO L263 TraceCheckUtils]: 22: Hoare triple {140#true} call test(); {140#true} is VALID [2020-07-17 21:18:53,125 INFO L280 TraceCheckUtils]: 23: Hoare triple {140#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {140#true} is VALID [2020-07-17 21:18:53,126 INFO L280 TraceCheckUtils]: 24: Hoare triple {140#true} assume !true; {141#false} is VALID [2020-07-17 21:18:53,127 INFO L263 TraceCheckUtils]: 25: Hoare triple {141#false} call cleanup(); {141#false} is VALID [2020-07-17 21:18:53,127 INFO L280 TraceCheckUtils]: 26: Hoare triple {141#false} havoc ~i~0;havoc ~__cil_tmp2~0; {141#false} is VALID [2020-07-17 21:18:53,127 INFO L263 TraceCheckUtils]: 27: Hoare triple {141#false} call timeShift(); {141#false} is VALID [2020-07-17 21:18:53,128 INFO L280 TraceCheckUtils]: 28: Hoare triple {141#false} assume !(0 != ~pumpRunning~0); {141#false} is VALID [2020-07-17 21:18:53,128 INFO L280 TraceCheckUtils]: 29: Hoare triple {141#false} assume !(0 != ~systemActive~0); {141#false} is VALID [2020-07-17 21:18:53,128 INFO L263 TraceCheckUtils]: 30: Hoare triple {141#false} call __utac_acc__Specification3_spec__1(); {141#false} is VALID [2020-07-17 21:18:53,128 INFO L280 TraceCheckUtils]: 31: Hoare triple {141#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {141#false} is VALID [2020-07-17 21:18:53,129 INFO L263 TraceCheckUtils]: 32: Hoare triple {141#false} call #t~ret53 := isMethaneLevelCritical(); {140#true} is VALID [2020-07-17 21:18:53,129 INFO L280 TraceCheckUtils]: 33: Hoare triple {140#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {140#true} is VALID [2020-07-17 21:18:53,133 INFO L280 TraceCheckUtils]: 34: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,133 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {140#true} {141#false} #439#return; {141#false} is VALID [2020-07-17 21:18:53,134 INFO L280 TraceCheckUtils]: 36: Hoare triple {141#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {141#false} is VALID [2020-07-17 21:18:53,134 INFO L280 TraceCheckUtils]: 37: Hoare triple {141#false} assume !(0 != ~tmp~3); {141#false} is VALID [2020-07-17 21:18:53,134 INFO L263 TraceCheckUtils]: 38: Hoare triple {141#false} call #t~ret54 := getWaterLevel(); {140#true} is VALID [2020-07-17 21:18:53,135 INFO L280 TraceCheckUtils]: 39: Hoare triple {140#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {140#true} is VALID [2020-07-17 21:18:53,135 INFO L280 TraceCheckUtils]: 40: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,137 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {140#true} {141#false} #441#return; {141#false} is VALID [2020-07-17 21:18:53,138 INFO L280 TraceCheckUtils]: 42: Hoare triple {141#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {141#false} is VALID [2020-07-17 21:18:53,138 INFO L280 TraceCheckUtils]: 43: Hoare triple {141#false} assume 2 == ~tmp___0~0; {141#false} is VALID [2020-07-17 21:18:53,138 INFO L263 TraceCheckUtils]: 44: Hoare triple {141#false} call #t~ret55 := isPumpRunning(); {140#true} is VALID [2020-07-17 21:18:53,139 INFO L280 TraceCheckUtils]: 45: Hoare triple {140#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {140#true} is VALID [2020-07-17 21:18:53,139 INFO L280 TraceCheckUtils]: 46: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-17 21:18:53,139 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {140#true} {141#false} #443#return; {141#false} is VALID [2020-07-17 21:18:53,140 INFO L280 TraceCheckUtils]: 48: Hoare triple {141#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {141#false} is VALID [2020-07-17 21:18:53,140 INFO L280 TraceCheckUtils]: 49: Hoare triple {141#false} assume !(0 != ~tmp___1~0); {141#false} is VALID [2020-07-17 21:18:53,140 INFO L263 TraceCheckUtils]: 50: Hoare triple {141#false} call __automaton_fail(); {141#false} is VALID [2020-07-17 21:18:53,141 INFO L280 TraceCheckUtils]: 51: Hoare triple {141#false} assume !false; {141#false} is VALID [2020-07-17 21:18:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:18:53,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854367172] [2020-07-17 21:18:53,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:18:53,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:18:53,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982014250] [2020-07-17 21:18:53,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:18:53,172 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:18:53,177 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:18:53,263 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:53,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:18:53,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:18:53,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:18:53,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:18:53,276 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-07-17 21:18:56,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:56,749 INFO L93 Difference]: Finished difference Result 220 states and 294 transitions. [2020-07-17 21:18:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:18:56,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:18:56,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:18:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:18:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2020-07-17 21:18:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:18:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2020-07-17 21:18:56,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 294 transitions. [2020-07-17 21:18:57,802 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 294 edges. 294 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:57,825 INFO L225 Difference]: With dead ends: 220 [2020-07-17 21:18:57,825 INFO L226 Difference]: Without dead ends: 120 [2020-07-17 21:18:57,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:18:57,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-17 21:18:58,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 91. [2020-07-17 21:18:58,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:18:58,691 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 91 states. [2020-07-17 21:18:58,692 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 91 states. [2020-07-17 21:18:58,692 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 91 states. [2020-07-17 21:18:58,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:58,708 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2020-07-17 21:18:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2020-07-17 21:18:58,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:58,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:58,711 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 120 states. [2020-07-17 21:18:58,712 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 120 states. [2020-07-17 21:18:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:58,723 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2020-07-17 21:18:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2020-07-17 21:18:58,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:58,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:58,726 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:18:58,726 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:18:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-17 21:18:58,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2020-07-17 21:18:58,738 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52 [2020-07-17 21:18:58,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:18:58,739 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2020-07-17 21:18:58,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:18:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2020-07-17 21:18:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:18:58,743 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:18:58,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:18:58,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:18:58,744 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:18:58,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:18:58,744 INFO L82 PathProgramCache]: Analyzing trace with hash -873378410, now seen corresponding path program 1 times [2020-07-17 21:18:58,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:18:58,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397075989] [2020-07-17 21:18:58,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:18:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,131 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:18:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,188 INFO L280 TraceCheckUtils]: 0: Hoare triple {868#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {844#true} is VALID [2020-07-17 21:18:59,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,189 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {844#true} #447#return; {844#true} is VALID [2020-07-17 21:18:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,192 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,193 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {844#true} {844#true} #369#return; {844#true} is VALID [2020-07-17 21:18:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,195 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,196 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {844#true} {844#true} #371#return; {844#true} is VALID [2020-07-17 21:18:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,200 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {844#true} is VALID [2020-07-17 21:18:59,200 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,201 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {844#true} #373#return; {844#true} is VALID [2020-07-17 21:18:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,203 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,204 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {844#true} {844#true} #375#return; {844#true} is VALID [2020-07-17 21:18:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {844#true} is VALID [2020-07-17 21:18:59,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,208 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {845#false} #439#return; {845#false} is VALID [2020-07-17 21:18:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,211 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {844#true} is VALID [2020-07-17 21:18:59,212 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,212 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {845#false} #441#return; {845#false} is VALID [2020-07-17 21:18:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:59,215 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {844#true} is VALID [2020-07-17 21:18:59,216 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,216 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {845#false} #443#return; {845#false} is VALID [2020-07-17 21:18:59,220 INFO L263 TraceCheckUtils]: 0: Hoare triple {844#true} call ULTIMATE.init(); {868#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:18:59,221 INFO L280 TraceCheckUtils]: 1: Hoare triple {868#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {844#true} is VALID [2020-07-17 21:18:59,221 INFO L280 TraceCheckUtils]: 2: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,222 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {844#true} {844#true} #447#return; {844#true} is VALID [2020-07-17 21:18:59,222 INFO L263 TraceCheckUtils]: 4: Hoare triple {844#true} call #t~ret71 := main(); {844#true} is VALID [2020-07-17 21:18:59,222 INFO L280 TraceCheckUtils]: 5: Hoare triple {844#true} havoc ~retValue_acc~7;havoc ~tmp~5; {844#true} is VALID [2020-07-17 21:18:59,222 INFO L263 TraceCheckUtils]: 6: Hoare triple {844#true} call select_helpers(); {844#true} is VALID [2020-07-17 21:18:59,223 INFO L280 TraceCheckUtils]: 7: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,223 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {844#true} {844#true} #369#return; {844#true} is VALID [2020-07-17 21:18:59,223 INFO L263 TraceCheckUtils]: 9: Hoare triple {844#true} call select_features(); {844#true} is VALID [2020-07-17 21:18:59,224 INFO L280 TraceCheckUtils]: 10: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,224 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {844#true} {844#true} #371#return; {844#true} is VALID [2020-07-17 21:18:59,224 INFO L263 TraceCheckUtils]: 12: Hoare triple {844#true} call #t~ret60 := valid_product(); {844#true} is VALID [2020-07-17 21:18:59,224 INFO L280 TraceCheckUtils]: 13: Hoare triple {844#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {844#true} is VALID [2020-07-17 21:18:59,225 INFO L280 TraceCheckUtils]: 14: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,225 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {844#true} {844#true} #373#return; {844#true} is VALID [2020-07-17 21:18:59,225 INFO L280 TraceCheckUtils]: 16: Hoare triple {844#true} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {844#true} is VALID [2020-07-17 21:18:59,226 INFO L280 TraceCheckUtils]: 17: Hoare triple {844#true} assume 0 != ~tmp~5; {844#true} is VALID [2020-07-17 21:18:59,226 INFO L263 TraceCheckUtils]: 18: Hoare triple {844#true} call setup(); {844#true} is VALID [2020-07-17 21:18:59,226 INFO L280 TraceCheckUtils]: 19: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,226 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {844#true} {844#true} #375#return; {844#true} is VALID [2020-07-17 21:18:59,227 INFO L263 TraceCheckUtils]: 21: Hoare triple {844#true} call runTest(); {844#true} is VALID [2020-07-17 21:18:59,227 INFO L263 TraceCheckUtils]: 22: Hoare triple {844#true} call test(); {844#true} is VALID [2020-07-17 21:18:59,229 INFO L280 TraceCheckUtils]: 23: Hoare triple {844#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {858#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:18:59,229 INFO L280 TraceCheckUtils]: 24: Hoare triple {858#(= 0 test_~splverifierCounter~0)} assume !false; {858#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:18:59,230 INFO L280 TraceCheckUtils]: 25: Hoare triple {858#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {845#false} is VALID [2020-07-17 21:18:59,230 INFO L263 TraceCheckUtils]: 26: Hoare triple {845#false} call cleanup(); {845#false} is VALID [2020-07-17 21:18:59,231 INFO L280 TraceCheckUtils]: 27: Hoare triple {845#false} havoc ~i~0;havoc ~__cil_tmp2~0; {845#false} is VALID [2020-07-17 21:18:59,231 INFO L263 TraceCheckUtils]: 28: Hoare triple {845#false} call timeShift(); {845#false} is VALID [2020-07-17 21:18:59,231 INFO L280 TraceCheckUtils]: 29: Hoare triple {845#false} assume !(0 != ~pumpRunning~0); {845#false} is VALID [2020-07-17 21:18:59,231 INFO L280 TraceCheckUtils]: 30: Hoare triple {845#false} assume !(0 != ~systemActive~0); {845#false} is VALID [2020-07-17 21:18:59,232 INFO L263 TraceCheckUtils]: 31: Hoare triple {845#false} call __utac_acc__Specification3_spec__1(); {845#false} is VALID [2020-07-17 21:18:59,232 INFO L280 TraceCheckUtils]: 32: Hoare triple {845#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {845#false} is VALID [2020-07-17 21:18:59,232 INFO L263 TraceCheckUtils]: 33: Hoare triple {845#false} call #t~ret53 := isMethaneLevelCritical(); {844#true} is VALID [2020-07-17 21:18:59,233 INFO L280 TraceCheckUtils]: 34: Hoare triple {844#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {844#true} is VALID [2020-07-17 21:18:59,233 INFO L280 TraceCheckUtils]: 35: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,233 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {844#true} {845#false} #439#return; {845#false} is VALID [2020-07-17 21:18:59,233 INFO L280 TraceCheckUtils]: 37: Hoare triple {845#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {845#false} is VALID [2020-07-17 21:18:59,234 INFO L280 TraceCheckUtils]: 38: Hoare triple {845#false} assume !(0 != ~tmp~3); {845#false} is VALID [2020-07-17 21:18:59,234 INFO L263 TraceCheckUtils]: 39: Hoare triple {845#false} call #t~ret54 := getWaterLevel(); {844#true} is VALID [2020-07-17 21:18:59,234 INFO L280 TraceCheckUtils]: 40: Hoare triple {844#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {844#true} is VALID [2020-07-17 21:18:59,234 INFO L280 TraceCheckUtils]: 41: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,235 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {844#true} {845#false} #441#return; {845#false} is VALID [2020-07-17 21:18:59,235 INFO L280 TraceCheckUtils]: 43: Hoare triple {845#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {845#false} is VALID [2020-07-17 21:18:59,235 INFO L280 TraceCheckUtils]: 44: Hoare triple {845#false} assume 2 == ~tmp___0~0; {845#false} is VALID [2020-07-17 21:18:59,236 INFO L263 TraceCheckUtils]: 45: Hoare triple {845#false} call #t~ret55 := isPumpRunning(); {844#true} is VALID [2020-07-17 21:18:59,236 INFO L280 TraceCheckUtils]: 46: Hoare triple {844#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {844#true} is VALID [2020-07-17 21:18:59,236 INFO L280 TraceCheckUtils]: 47: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-17 21:18:59,236 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {844#true} {845#false} #443#return; {845#false} is VALID [2020-07-17 21:18:59,237 INFO L280 TraceCheckUtils]: 49: Hoare triple {845#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {845#false} is VALID [2020-07-17 21:18:59,237 INFO L280 TraceCheckUtils]: 50: Hoare triple {845#false} assume !(0 != ~tmp___1~0); {845#false} is VALID [2020-07-17 21:18:59,237 INFO L263 TraceCheckUtils]: 51: Hoare triple {845#false} call __automaton_fail(); {845#false} is VALID [2020-07-17 21:18:59,238 INFO L280 TraceCheckUtils]: 52: Hoare triple {845#false} assume !false; {845#false} is VALID [2020-07-17 21:18:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:18:59,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397075989] [2020-07-17 21:18:59,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:18:59,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:18:59,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685313313] [2020-07-17 21:18:59,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:18:59,248 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:18:59,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:18:59,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:59,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:18:59,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:18:59,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:18:59,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:18:59,319 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 4 states. [2020-07-17 21:19:00,676 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:19:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:02,843 INFO L93 Difference]: Finished difference Result 149 states and 181 transitions. [2020-07-17 21:19:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:19:02,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:19:02,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:19:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-17 21:19:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:19:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-17 21:19:02,862 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 181 transitions. [2020-07-17 21:19:03,513 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:03,519 INFO L225 Difference]: With dead ends: 149 [2020-07-17 21:19:03,520 INFO L226 Difference]: Without dead ends: 104 [2020-07-17 21:19:03,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:19:03,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-17 21:19:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2020-07-17 21:19:04,417 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:04,418 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 82 states. [2020-07-17 21:19:04,418 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 82 states. [2020-07-17 21:19:04,418 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 82 states. [2020-07-17 21:19:04,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:04,427 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2020-07-17 21:19:04,428 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-07-17 21:19:04,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:04,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:04,433 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 104 states. [2020-07-17 21:19:04,434 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 104 states. [2020-07-17 21:19:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:04,445 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2020-07-17 21:19:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-07-17 21:19:04,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:04,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:04,449 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:04,451 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-17 21:19:04,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2020-07-17 21:19:04,463 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2020-07-17 21:19:04,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:04,464 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2020-07-17 21:19:04,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:19:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2020-07-17 21:19:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 21:19:04,465 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:04,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:19:04,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:19:04,469 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:04,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:04,470 INFO L82 PathProgramCache]: Analyzing trace with hash -646748837, now seen corresponding path program 1 times [2020-07-17 21:19:04,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:04,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447641128] [2020-07-17 21:19:04,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:04,933 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,031 INFO L280 TraceCheckUtils]: 0: Hoare triple {1442#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,032 INFO L280 TraceCheckUtils]: 1: Hoare triple {1420#(= 1 ~systemActive~0)} assume true; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,035 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1420#(= 1 ~systemActive~0)} {1415#true} #447#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,045 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,046 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #369#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,051 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,052 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #371#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,124 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:05,125 INFO L280 TraceCheckUtils]: 1: Hoare triple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:05,126 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1420#(= 1 ~systemActive~0)} #373#return; {1428#(= |main_#t~ret60| ~systemActive~0)} is VALID [2020-07-17 21:19:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,132 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,133 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1415#true} {1430#(not (= 0 ~systemActive~0))} #375#return; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,137 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1415#true} is VALID [2020-07-17 21:19:05,137 INFO L280 TraceCheckUtils]: 1: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,138 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1415#true} {1416#false} #439#return; {1416#false} is VALID [2020-07-17 21:19:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,142 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1415#true} is VALID [2020-07-17 21:19:05,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,143 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1415#true} {1416#false} #441#return; {1416#false} is VALID [2020-07-17 21:19:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:05,148 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1415#true} is VALID [2020-07-17 21:19:05,148 INFO L280 TraceCheckUtils]: 1: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,149 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1415#true} {1416#false} #443#return; {1416#false} is VALID [2020-07-17 21:19:05,153 INFO L263 TraceCheckUtils]: 0: Hoare triple {1415#true} call ULTIMATE.init(); {1442#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:19:05,163 INFO L280 TraceCheckUtils]: 1: Hoare triple {1442#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,163 INFO L280 TraceCheckUtils]: 2: Hoare triple {1420#(= 1 ~systemActive~0)} assume true; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,164 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1420#(= 1 ~systemActive~0)} {1415#true} #447#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,165 INFO L263 TraceCheckUtils]: 4: Hoare triple {1420#(= 1 ~systemActive~0)} call #t~ret71 := main(); {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,165 INFO L280 TraceCheckUtils]: 5: Hoare triple {1420#(= 1 ~systemActive~0)} havoc ~retValue_acc~7;havoc ~tmp~5; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,165 INFO L263 TraceCheckUtils]: 6: Hoare triple {1420#(= 1 ~systemActive~0)} call select_helpers(); {1415#true} is VALID [2020-07-17 21:19:05,166 INFO L280 TraceCheckUtils]: 7: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,167 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #369#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,167 INFO L263 TraceCheckUtils]: 9: Hoare triple {1420#(= 1 ~systemActive~0)} call select_features(); {1415#true} is VALID [2020-07-17 21:19:05,167 INFO L280 TraceCheckUtils]: 10: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,168 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #371#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:05,168 INFO L263 TraceCheckUtils]: 12: Hoare triple {1420#(= 1 ~systemActive~0)} call #t~ret60 := valid_product(); {1415#true} is VALID [2020-07-17 21:19:05,169 INFO L280 TraceCheckUtils]: 13: Hoare triple {1415#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:05,170 INFO L280 TraceCheckUtils]: 14: Hoare triple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:05,171 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1420#(= 1 ~systemActive~0)} #373#return; {1428#(= |main_#t~ret60| ~systemActive~0)} is VALID [2020-07-17 21:19:05,171 INFO L280 TraceCheckUtils]: 16: Hoare triple {1428#(= |main_#t~ret60| ~systemActive~0)} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {1429#(= main_~tmp~5 ~systemActive~0)} is VALID [2020-07-17 21:19:05,172 INFO L280 TraceCheckUtils]: 17: Hoare triple {1429#(= main_~tmp~5 ~systemActive~0)} assume 0 != ~tmp~5; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,172 INFO L263 TraceCheckUtils]: 18: Hoare triple {1430#(not (= 0 ~systemActive~0))} call setup(); {1415#true} is VALID [2020-07-17 21:19:05,172 INFO L280 TraceCheckUtils]: 19: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,173 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1415#true} {1430#(not (= 0 ~systemActive~0))} #375#return; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,174 INFO L263 TraceCheckUtils]: 21: Hoare triple {1430#(not (= 0 ~systemActive~0))} call runTest(); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,174 INFO L263 TraceCheckUtils]: 22: Hoare triple {1430#(not (= 0 ~systemActive~0))} call test(); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,175 INFO L280 TraceCheckUtils]: 23: Hoare triple {1430#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,182 INFO L280 TraceCheckUtils]: 24: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !false; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,182 INFO L280 TraceCheckUtils]: 25: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,183 INFO L280 TraceCheckUtils]: 26: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp~4 := #t~nondet56;havoc #t~nondet56; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,183 INFO L280 TraceCheckUtils]: 27: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~4); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,184 INFO L280 TraceCheckUtils]: 28: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___0~1 := #t~nondet57;havoc #t~nondet57; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,184 INFO L280 TraceCheckUtils]: 29: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,185 INFO L280 TraceCheckUtils]: 30: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp___2~0 := #t~nondet58;havoc #t~nondet58; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,186 INFO L280 TraceCheckUtils]: 31: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___1~1 := #t~nondet59;havoc #t~nondet59; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,186 INFO L280 TraceCheckUtils]: 32: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~1); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,190 INFO L263 TraceCheckUtils]: 33: Hoare triple {1430#(not (= 0 ~systemActive~0))} call timeShift(); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,190 INFO L280 TraceCheckUtils]: 34: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:05,191 INFO L280 TraceCheckUtils]: 35: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1416#false} is VALID [2020-07-17 21:19:05,191 INFO L263 TraceCheckUtils]: 36: Hoare triple {1416#false} call __utac_acc__Specification3_spec__1(); {1416#false} is VALID [2020-07-17 21:19:05,191 INFO L280 TraceCheckUtils]: 37: Hoare triple {1416#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {1416#false} is VALID [2020-07-17 21:19:05,192 INFO L263 TraceCheckUtils]: 38: Hoare triple {1416#false} call #t~ret53 := isMethaneLevelCritical(); {1415#true} is VALID [2020-07-17 21:19:05,192 INFO L280 TraceCheckUtils]: 39: Hoare triple {1415#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1415#true} is VALID [2020-07-17 21:19:05,192 INFO L280 TraceCheckUtils]: 40: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,192 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1415#true} {1416#false} #439#return; {1416#false} is VALID [2020-07-17 21:19:05,192 INFO L280 TraceCheckUtils]: 42: Hoare triple {1416#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {1416#false} is VALID [2020-07-17 21:19:05,193 INFO L280 TraceCheckUtils]: 43: Hoare triple {1416#false} assume !(0 != ~tmp~3); {1416#false} is VALID [2020-07-17 21:19:05,193 INFO L263 TraceCheckUtils]: 44: Hoare triple {1416#false} call #t~ret54 := getWaterLevel(); {1415#true} is VALID [2020-07-17 21:19:05,194 INFO L280 TraceCheckUtils]: 45: Hoare triple {1415#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1415#true} is VALID [2020-07-17 21:19:05,194 INFO L280 TraceCheckUtils]: 46: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,195 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1415#true} {1416#false} #441#return; {1416#false} is VALID [2020-07-17 21:19:05,195 INFO L280 TraceCheckUtils]: 48: Hoare triple {1416#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {1416#false} is VALID [2020-07-17 21:19:05,195 INFO L280 TraceCheckUtils]: 49: Hoare triple {1416#false} assume 2 == ~tmp___0~0; {1416#false} is VALID [2020-07-17 21:19:05,195 INFO L263 TraceCheckUtils]: 50: Hoare triple {1416#false} call #t~ret55 := isPumpRunning(); {1415#true} is VALID [2020-07-17 21:19:05,196 INFO L280 TraceCheckUtils]: 51: Hoare triple {1415#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1415#true} is VALID [2020-07-17 21:19:05,196 INFO L280 TraceCheckUtils]: 52: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-17 21:19:05,196 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1415#true} {1416#false} #443#return; {1416#false} is VALID [2020-07-17 21:19:05,196 INFO L280 TraceCheckUtils]: 54: Hoare triple {1416#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {1416#false} is VALID [2020-07-17 21:19:05,196 INFO L280 TraceCheckUtils]: 55: Hoare triple {1416#false} assume !(0 != ~tmp___1~0); {1416#false} is VALID [2020-07-17 21:19:05,197 INFO L263 TraceCheckUtils]: 56: Hoare triple {1416#false} call __automaton_fail(); {1416#false} is VALID [2020-07-17 21:19:05,197 INFO L280 TraceCheckUtils]: 57: Hoare triple {1416#false} assume !false; {1416#false} is VALID [2020-07-17 21:19:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:19:05,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447641128] [2020-07-17 21:19:05,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:05,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:19:05,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32458795] [2020-07-17 21:19:05,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:19:05,210 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:05,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:19:05,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:05,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:19:05,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:05,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:19:05,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:19:05,324 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 8 states. [2020-07-17 21:19:06,170 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:19:07,114 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:19:07,547 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:07,866 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:12,906 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2020-07-17 21:19:12,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 21:19:12,906 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:19:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:19:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 199 transitions. [2020-07-17 21:19:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:19:12,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 199 transitions. [2020-07-17 21:19:12,922 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 199 transitions. [2020-07-17 21:19:13,604 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:13,608 INFO L225 Difference]: With dead ends: 162 [2020-07-17 21:19:13,608 INFO L226 Difference]: Without dead ends: 104 [2020-07-17 21:19:13,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 21:19:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-17 21:19:14,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2020-07-17 21:19:14,561 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:14,561 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 82 states. [2020-07-17 21:19:14,562 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 82 states. [2020-07-17 21:19:14,562 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 82 states. [2020-07-17 21:19:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:14,568 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2020-07-17 21:19:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2020-07-17 21:19:14,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:14,569 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:14,570 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 104 states. [2020-07-17 21:19:14,570 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 104 states. [2020-07-17 21:19:14,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:14,575 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2020-07-17 21:19:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2020-07-17 21:19:14,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:14,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:14,576 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:14,577 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-17 21:19:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2020-07-17 21:19:14,580 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2020-07-17 21:19:14,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:14,580 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2020-07-17 21:19:14,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:19:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2020-07-17 21:19:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 21:19:14,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:14,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:19:14,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:19:14,583 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:14,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:14,583 INFO L82 PathProgramCache]: Analyzing trace with hash 387624930, now seen corresponding path program 1 times [2020-07-17 21:19:14,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:14,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791169269] [2020-07-17 21:19:14,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:14,929 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,005 INFO L280 TraceCheckUtils]: 0: Hoare triple {2041#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,005 INFO L280 TraceCheckUtils]: 1: Hoare triple {2018#(= 1 ~waterLevel~0)} assume true; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,006 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2018#(= 1 ~waterLevel~0)} {2013#true} #447#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,024 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,030 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #369#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,035 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,036 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #371#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,041 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2013#true} is VALID [2020-07-17 21:19:15,041 INFO L280 TraceCheckUtils]: 1: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,042 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #373#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,046 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,047 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #375#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,051 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,052 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #421#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,059 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2013#true} is VALID [2020-07-17 21:19:15,060 INFO L280 TraceCheckUtils]: 1: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,060 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #439#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,086 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:19:15,087 INFO L280 TraceCheckUtils]: 1: Hoare triple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:19:15,087 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} {2018#(= 1 ~waterLevel~0)} #441#return; {2036#(= 1 |__utac_acc__Specification3_spec__1_#t~ret54|)} is VALID [2020-07-17 21:19:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:15,090 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2013#true} is VALID [2020-07-17 21:19:15,091 INFO L280 TraceCheckUtils]: 1: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,091 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2013#true} {2014#false} #443#return; {2014#false} is VALID [2020-07-17 21:19:15,096 INFO L263 TraceCheckUtils]: 0: Hoare triple {2013#true} call ULTIMATE.init(); {2041#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:19:15,102 INFO L280 TraceCheckUtils]: 1: Hoare triple {2041#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,103 INFO L280 TraceCheckUtils]: 2: Hoare triple {2018#(= 1 ~waterLevel~0)} assume true; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,104 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2018#(= 1 ~waterLevel~0)} {2013#true} #447#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,106 INFO L263 TraceCheckUtils]: 4: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret71 := main(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,108 INFO L280 TraceCheckUtils]: 5: Hoare triple {2018#(= 1 ~waterLevel~0)} havoc ~retValue_acc~7;havoc ~tmp~5; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,109 INFO L263 TraceCheckUtils]: 6: Hoare triple {2018#(= 1 ~waterLevel~0)} call select_helpers(); {2013#true} is VALID [2020-07-17 21:19:15,109 INFO L280 TraceCheckUtils]: 7: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,115 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #369#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,116 INFO L263 TraceCheckUtils]: 9: Hoare triple {2018#(= 1 ~waterLevel~0)} call select_features(); {2013#true} is VALID [2020-07-17 21:19:15,116 INFO L280 TraceCheckUtils]: 10: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,117 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #371#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,117 INFO L263 TraceCheckUtils]: 12: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret60 := valid_product(); {2013#true} is VALID [2020-07-17 21:19:15,118 INFO L280 TraceCheckUtils]: 13: Hoare triple {2013#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2013#true} is VALID [2020-07-17 21:19:15,118 INFO L280 TraceCheckUtils]: 14: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,119 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #373#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,120 INFO L280 TraceCheckUtils]: 16: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,120 INFO L280 TraceCheckUtils]: 17: Hoare triple {2018#(= 1 ~waterLevel~0)} assume 0 != ~tmp~5; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,121 INFO L263 TraceCheckUtils]: 18: Hoare triple {2018#(= 1 ~waterLevel~0)} call setup(); {2013#true} is VALID [2020-07-17 21:19:15,121 INFO L280 TraceCheckUtils]: 19: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,121 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #375#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,122 INFO L263 TraceCheckUtils]: 21: Hoare triple {2018#(= 1 ~waterLevel~0)} call runTest(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,123 INFO L263 TraceCheckUtils]: 22: Hoare triple {2018#(= 1 ~waterLevel~0)} call test(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,123 INFO L280 TraceCheckUtils]: 23: Hoare triple {2018#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,124 INFO L280 TraceCheckUtils]: 24: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !false; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,125 INFO L280 TraceCheckUtils]: 25: Hoare triple {2018#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,127 INFO L280 TraceCheckUtils]: 26: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp~4 := #t~nondet56;havoc #t~nondet56; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,128 INFO L280 TraceCheckUtils]: 27: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~4); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,128 INFO L280 TraceCheckUtils]: 28: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___0~1 := #t~nondet57;havoc #t~nondet57; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,129 INFO L280 TraceCheckUtils]: 29: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,130 INFO L280 TraceCheckUtils]: 30: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp___2~0 := #t~nondet58;havoc #t~nondet58; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,130 INFO L280 TraceCheckUtils]: 31: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___1~1 := #t~nondet59;havoc #t~nondet59; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,131 INFO L280 TraceCheckUtils]: 32: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___1~1); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,131 INFO L263 TraceCheckUtils]: 33: Hoare triple {2018#(= 1 ~waterLevel~0)} call timeShift(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,132 INFO L280 TraceCheckUtils]: 34: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,132 INFO L280 TraceCheckUtils]: 35: Hoare triple {2018#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,133 INFO L263 TraceCheckUtils]: 36: Hoare triple {2018#(= 1 ~waterLevel~0)} call processEnvironment(); {2013#true} is VALID [2020-07-17 21:19:15,133 INFO L280 TraceCheckUtils]: 37: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,133 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #421#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,134 INFO L263 TraceCheckUtils]: 39: Hoare triple {2018#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,135 INFO L280 TraceCheckUtils]: 40: Hoare triple {2018#(= 1 ~waterLevel~0)} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,135 INFO L263 TraceCheckUtils]: 41: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret53 := isMethaneLevelCritical(); {2013#true} is VALID [2020-07-17 21:19:15,135 INFO L280 TraceCheckUtils]: 42: Hoare triple {2013#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2013#true} is VALID [2020-07-17 21:19:15,135 INFO L280 TraceCheckUtils]: 43: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,136 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #439#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,137 INFO L280 TraceCheckUtils]: 45: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,137 INFO L280 TraceCheckUtils]: 46: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~3); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:19:15,137 INFO L263 TraceCheckUtils]: 47: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret54 := getWaterLevel(); {2013#true} is VALID [2020-07-17 21:19:15,138 INFO L280 TraceCheckUtils]: 48: Hoare triple {2013#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:19:15,139 INFO L280 TraceCheckUtils]: 49: Hoare triple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:19:15,139 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} {2018#(= 1 ~waterLevel~0)} #441#return; {2036#(= 1 |__utac_acc__Specification3_spec__1_#t~ret54|)} is VALID [2020-07-17 21:19:15,140 INFO L280 TraceCheckUtils]: 51: Hoare triple {2036#(= 1 |__utac_acc__Specification3_spec__1_#t~ret54|)} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {2037#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-17 21:19:15,141 INFO L280 TraceCheckUtils]: 52: Hoare triple {2037#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == ~tmp___0~0; {2014#false} is VALID [2020-07-17 21:19:15,141 INFO L263 TraceCheckUtils]: 53: Hoare triple {2014#false} call #t~ret55 := isPumpRunning(); {2013#true} is VALID [2020-07-17 21:19:15,141 INFO L280 TraceCheckUtils]: 54: Hoare triple {2013#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2013#true} is VALID [2020-07-17 21:19:15,141 INFO L280 TraceCheckUtils]: 55: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-17 21:19:15,142 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2013#true} {2014#false} #443#return; {2014#false} is VALID [2020-07-17 21:19:15,142 INFO L280 TraceCheckUtils]: 57: Hoare triple {2014#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {2014#false} is VALID [2020-07-17 21:19:15,142 INFO L280 TraceCheckUtils]: 58: Hoare triple {2014#false} assume !(0 != ~tmp___1~0); {2014#false} is VALID [2020-07-17 21:19:15,142 INFO L263 TraceCheckUtils]: 59: Hoare triple {2014#false} call __automaton_fail(); {2014#false} is VALID [2020-07-17 21:19:15,142 INFO L280 TraceCheckUtils]: 60: Hoare triple {2014#false} assume !false; {2014#false} is VALID [2020-07-17 21:19:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:19:15,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791169269] [2020-07-17 21:19:15,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:15,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 21:19:15,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519727253] [2020-07-17 21:19:15,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-17 21:19:15,153 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:15,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 21:19:15,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:15,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 21:19:15,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:15,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 21:19:15,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-17 21:19:15,230 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2020-07-17 21:19:15,999 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:19:20,695 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:21,236 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:21,600 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:22,014 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:19:23,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:23,278 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2020-07-17 21:19:23,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 21:19:23,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-17 21:19:23,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 21:19:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 259 transitions. [2020-07-17 21:19:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 21:19:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 259 transitions. [2020-07-17 21:19:23,290 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 259 transitions. [2020-07-17 21:19:24,181 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 259 edges. 259 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:24,187 INFO L225 Difference]: With dead ends: 209 [2020-07-17 21:19:24,187 INFO L226 Difference]: Without dead ends: 151 [2020-07-17 21:19:24,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-17 21:19:24,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-17 21:19:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 136. [2020-07-17 21:19:25,637 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:25,637 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 136 states. [2020-07-17 21:19:25,637 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 136 states. [2020-07-17 21:19:25,637 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 136 states. [2020-07-17 21:19:25,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:25,644 INFO L93 Difference]: Finished difference Result 151 states and 182 transitions. [2020-07-17 21:19:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2020-07-17 21:19:25,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:25,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:25,646 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 151 states. [2020-07-17 21:19:25,646 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 151 states. [2020-07-17 21:19:25,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:25,654 INFO L93 Difference]: Finished difference Result 151 states and 182 transitions. [2020-07-17 21:19:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2020-07-17 21:19:25,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:25,655 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:25,655 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:25,655 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:25,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-17 21:19:25,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2020-07-17 21:19:25,660 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 61 [2020-07-17 21:19:25,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:25,661 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2020-07-17 21:19:25,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 21:19:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2020-07-17 21:19:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 21:19:25,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:25,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:19:25,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:19:25,663 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:25,664 INFO L82 PathProgramCache]: Analyzing trace with hash 914156220, now seen corresponding path program 1 times [2020-07-17 21:19:25,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:25,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527959522] [2020-07-17 21:19:25,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:25,983 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,047 INFO L280 TraceCheckUtils]: 0: Hoare triple {2878#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,050 INFO L280 TraceCheckUtils]: 1: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume true; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,051 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2854#(= 0 ~pumpRunning~0)} {2849#true} #447#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,060 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,061 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #369#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,069 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,070 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #371#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,075 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2849#true} is VALID [2020-07-17 21:19:26,076 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,076 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #373#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,082 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #375#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,094 INFO L280 TraceCheckUtils]: 0: Hoare triple {2879#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2849#true} is VALID [2020-07-17 21:19:26,094 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,094 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #419#return; {2850#false} is VALID [2020-07-17 21:19:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,098 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2850#false} #421#return; {2850#false} is VALID [2020-07-17 21:19:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,102 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2849#true} is VALID [2020-07-17 21:19:26,102 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,102 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #439#return; {2850#false} is VALID [2020-07-17 21:19:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,113 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2849#true} is VALID [2020-07-17 21:19:26,113 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,114 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #441#return; {2850#false} is VALID [2020-07-17 21:19:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:26,117 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2849#true} is VALID [2020-07-17 21:19:26,117 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,117 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #443#return; {2850#false} is VALID [2020-07-17 21:19:26,122 INFO L263 TraceCheckUtils]: 0: Hoare triple {2849#true} call ULTIMATE.init(); {2878#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:19:26,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {2878#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume true; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,129 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2854#(= 0 ~pumpRunning~0)} {2849#true} #447#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,130 INFO L263 TraceCheckUtils]: 4: Hoare triple {2854#(= 0 ~pumpRunning~0)} call #t~ret71 := main(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,130 INFO L280 TraceCheckUtils]: 5: Hoare triple {2854#(= 0 ~pumpRunning~0)} havoc ~retValue_acc~7;havoc ~tmp~5; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,130 INFO L263 TraceCheckUtils]: 6: Hoare triple {2854#(= 0 ~pumpRunning~0)} call select_helpers(); {2849#true} is VALID [2020-07-17 21:19:26,131 INFO L280 TraceCheckUtils]: 7: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,131 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #369#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,131 INFO L263 TraceCheckUtils]: 9: Hoare triple {2854#(= 0 ~pumpRunning~0)} call select_features(); {2849#true} is VALID [2020-07-17 21:19:26,132 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,132 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #371#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,132 INFO L263 TraceCheckUtils]: 12: Hoare triple {2854#(= 0 ~pumpRunning~0)} call #t~ret60 := valid_product(); {2849#true} is VALID [2020-07-17 21:19:26,132 INFO L280 TraceCheckUtils]: 13: Hoare triple {2849#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2849#true} is VALID [2020-07-17 21:19:26,133 INFO L280 TraceCheckUtils]: 14: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,133 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #373#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,134 INFO L280 TraceCheckUtils]: 16: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,134 INFO L280 TraceCheckUtils]: 17: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume 0 != ~tmp~5; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,135 INFO L263 TraceCheckUtils]: 18: Hoare triple {2854#(= 0 ~pumpRunning~0)} call setup(); {2849#true} is VALID [2020-07-17 21:19:26,135 INFO L280 TraceCheckUtils]: 19: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,135 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #375#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,136 INFO L263 TraceCheckUtils]: 21: Hoare triple {2854#(= 0 ~pumpRunning~0)} call runTest(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,136 INFO L263 TraceCheckUtils]: 22: Hoare triple {2854#(= 0 ~pumpRunning~0)} call test(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,137 INFO L280 TraceCheckUtils]: 23: Hoare triple {2854#(= 0 ~pumpRunning~0)} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,137 INFO L280 TraceCheckUtils]: 24: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !false; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,138 INFO L280 TraceCheckUtils]: 25: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume ~splverifierCounter~0 < 4; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,139 INFO L280 TraceCheckUtils]: 26: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp~4 := #t~nondet56;havoc #t~nondet56; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,139 INFO L280 TraceCheckUtils]: 27: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp~4); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,140 INFO L280 TraceCheckUtils]: 28: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___0~1 := #t~nondet57;havoc #t~nondet57; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,140 INFO L280 TraceCheckUtils]: 29: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___0~1); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,141 INFO L280 TraceCheckUtils]: 30: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp___2~0 := #t~nondet58;havoc #t~nondet58; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,141 INFO L280 TraceCheckUtils]: 31: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___1~1 := #t~nondet59;havoc #t~nondet59; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,142 INFO L280 TraceCheckUtils]: 32: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___1~1); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,142 INFO L263 TraceCheckUtils]: 33: Hoare triple {2854#(= 0 ~pumpRunning~0)} call timeShift(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:19:26,143 INFO L280 TraceCheckUtils]: 34: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2850#false} is VALID [2020-07-17 21:19:26,143 INFO L263 TraceCheckUtils]: 35: Hoare triple {2850#false} call lowerWaterLevel(); {2879#(= ~waterLevel~0 |old(~waterLevel~0)|)} is VALID [2020-07-17 21:19:26,143 INFO L280 TraceCheckUtils]: 36: Hoare triple {2879#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2849#true} is VALID [2020-07-17 21:19:26,143 INFO L280 TraceCheckUtils]: 37: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,144 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2849#true} {2850#false} #419#return; {2850#false} is VALID [2020-07-17 21:19:26,144 INFO L280 TraceCheckUtils]: 39: Hoare triple {2850#false} assume 0 != ~systemActive~0; {2850#false} is VALID [2020-07-17 21:19:26,144 INFO L263 TraceCheckUtils]: 40: Hoare triple {2850#false} call processEnvironment(); {2849#true} is VALID [2020-07-17 21:19:26,144 INFO L280 TraceCheckUtils]: 41: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,145 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2849#true} {2850#false} #421#return; {2850#false} is VALID [2020-07-17 21:19:26,145 INFO L263 TraceCheckUtils]: 43: Hoare triple {2850#false} call __utac_acc__Specification3_spec__1(); {2850#false} is VALID [2020-07-17 21:19:26,145 INFO L280 TraceCheckUtils]: 44: Hoare triple {2850#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {2850#false} is VALID [2020-07-17 21:19:26,145 INFO L263 TraceCheckUtils]: 45: Hoare triple {2850#false} call #t~ret53 := isMethaneLevelCritical(); {2849#true} is VALID [2020-07-17 21:19:26,145 INFO L280 TraceCheckUtils]: 46: Hoare triple {2849#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2849#true} is VALID [2020-07-17 21:19:26,146 INFO L280 TraceCheckUtils]: 47: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,146 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2849#true} {2850#false} #439#return; {2850#false} is VALID [2020-07-17 21:19:26,146 INFO L280 TraceCheckUtils]: 49: Hoare triple {2850#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {2850#false} is VALID [2020-07-17 21:19:26,147 INFO L280 TraceCheckUtils]: 50: Hoare triple {2850#false} assume !(0 != ~tmp~3); {2850#false} is VALID [2020-07-17 21:19:26,148 INFO L263 TraceCheckUtils]: 51: Hoare triple {2850#false} call #t~ret54 := getWaterLevel(); {2849#true} is VALID [2020-07-17 21:19:26,148 INFO L280 TraceCheckUtils]: 52: Hoare triple {2849#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2849#true} is VALID [2020-07-17 21:19:26,148 INFO L280 TraceCheckUtils]: 53: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,148 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {2849#true} {2850#false} #441#return; {2850#false} is VALID [2020-07-17 21:19:26,148 INFO L280 TraceCheckUtils]: 55: Hoare triple {2850#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {2850#false} is VALID [2020-07-17 21:19:26,149 INFO L280 TraceCheckUtils]: 56: Hoare triple {2850#false} assume 2 == ~tmp___0~0; {2850#false} is VALID [2020-07-17 21:19:26,149 INFO L263 TraceCheckUtils]: 57: Hoare triple {2850#false} call #t~ret55 := isPumpRunning(); {2849#true} is VALID [2020-07-17 21:19:26,149 INFO L280 TraceCheckUtils]: 58: Hoare triple {2849#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2849#true} is VALID [2020-07-17 21:19:26,154 INFO L280 TraceCheckUtils]: 59: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-17 21:19:26,155 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {2849#true} {2850#false} #443#return; {2850#false} is VALID [2020-07-17 21:19:26,155 INFO L280 TraceCheckUtils]: 61: Hoare triple {2850#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {2850#false} is VALID [2020-07-17 21:19:26,155 INFO L280 TraceCheckUtils]: 62: Hoare triple {2850#false} assume !(0 != ~tmp___1~0); {2850#false} is VALID [2020-07-17 21:19:26,155 INFO L263 TraceCheckUtils]: 63: Hoare triple {2850#false} call __automaton_fail(); {2850#false} is VALID [2020-07-17 21:19:26,155 INFO L280 TraceCheckUtils]: 64: Hoare triple {2850#false} assume !false; {2850#false} is VALID [2020-07-17 21:19:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:19:26,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527959522] [2020-07-17 21:19:26,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:26,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 21:19:26,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261860952] [2020-07-17 21:19:26,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-17 21:19:26,171 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:26,172 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 21:19:26,247 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:26,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 21:19:26,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:26,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 21:19:26,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:19:26,248 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 5 states. [2020-07-17 21:19:26,838 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:19:29,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:29,928 INFO L93 Difference]: Finished difference Result 205 states and 247 transitions. [2020-07-17 21:19:29,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 21:19:29,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-17 21:19:29,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 21:19:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-17 21:19:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 21:19:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-17 21:19:29,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 202 transitions. [2020-07-17 21:19:30,542 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:30,547 INFO L225 Difference]: With dead ends: 205 [2020-07-17 21:19:30,547 INFO L226 Difference]: Without dead ends: 136 [2020-07-17 21:19:30,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 21:19:30,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-17 21:19:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2020-07-17 21:19:31,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:31,862 INFO L82 GeneralOperation]: Start isEquivalent. First operand 136 states. Second operand 123 states. [2020-07-17 21:19:31,862 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 123 states. [2020-07-17 21:19:31,862 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 123 states. [2020-07-17 21:19:31,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:31,868 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2020-07-17 21:19:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-17 21:19:31,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:31,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:31,870 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 136 states. [2020-07-17 21:19:31,870 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 136 states. [2020-07-17 21:19:31,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:31,875 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2020-07-17 21:19:31,876 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-17 21:19:31,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:31,876 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:31,877 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:31,877 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-17 21:19:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2020-07-17 21:19:31,881 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 65 [2020-07-17 21:19:31,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:31,882 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2020-07-17 21:19:31,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 21:19:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2020-07-17 21:19:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 21:19:31,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:31,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:19:31,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:19:31,884 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:31,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:31,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1045725272, now seen corresponding path program 1 times [2020-07-17 21:19:31,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:31,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137014803] [2020-07-17 21:19:31,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:19:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:19:32,067 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:19:32,068 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:19:32,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 21:19:32,232 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:19:32,232 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:19:32,233 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:19:32,233 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:19:32,233 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:19:32,233 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:19:32,233 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:19:32,233 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:19:32,234 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:19:32,234 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:19:32,234 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:19:32,234 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:19:32,234 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:19:32,234 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:19:32,234 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:19:32,235 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:19:32,235 WARN L170 areAnnotationChecker]: processEnvironmentFINAL has no Hoare annotation [2020-07-17 21:19:32,235 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:19:32,235 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:19:32,235 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:19:32,235 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:19:32,236 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:19:32,236 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:19:32,236 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:19:32,236 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:19:32,236 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:19:32,236 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:19:32,237 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:19:32,237 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:19:32,237 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:19:32,237 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:19:32,237 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:19:32,237 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:19:32,238 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:19:32,238 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:19:32,238 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:19:32,238 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:19:32,238 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:19:32,238 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-17 21:19:32,239 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:19:32,239 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:19:32,239 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:19:32,239 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:19:32,239 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-17 21:19:32,239 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-17 21:19:32,240 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-17 21:19:32,240 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-17 21:19:32,240 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-17 21:19:32,240 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-17 21:19:32,240 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:19:32,240 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:19:32,241 WARN L170 areAnnotationChecker]: L761 has no Hoare annotation [2020-07-17 21:19:32,241 WARN L170 areAnnotationChecker]: L761 has no Hoare annotation [2020-07-17 21:19:32,241 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-17 21:19:32,241 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-17 21:19:32,241 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:19:32,241 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-17 21:19:32,242 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-17 21:19:32,242 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:19:32,242 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:19:32,242 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-17 21:19:32,242 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-17 21:19:32,242 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:19:32,243 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-17 21:19:32,243 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-17 21:19:32,243 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:19:32,243 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:19:32,243 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-17 21:19:32,243 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-17 21:19:32,244 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-17 21:19:32,244 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-17 21:19:32,244 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-17 21:19:32,244 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:19:32,244 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:19:32,244 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-17 21:19:32,245 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-17 21:19:32,245 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-17 21:19:32,245 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-17 21:19:32,245 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:19:32,245 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:19:32,245 WARN L170 areAnnotationChecker]: L809-1 has no Hoare annotation [2020-07-17 21:19:32,246 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:19:32,246 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-17 21:19:32,246 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-17 21:19:32,246 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-17 21:19:32,246 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-17 21:19:32,246 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-17 21:19:32,247 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-17 21:19:32,247 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-17 21:19:32,247 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-17 21:19:32,247 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:19:32,247 WARN L170 areAnnotationChecker]: L785-1 has no Hoare annotation [2020-07-17 21:19:32,247 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:19:32,248 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:19:32,248 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:19:32,248 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-17 21:19:32,248 WARN L170 areAnnotationChecker]: L797-1 has no Hoare annotation [2020-07-17 21:19:32,248 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:19:32,248 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-17 21:19:32,248 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-17 21:19:32,249 WARN L170 areAnnotationChecker]: L247 has no Hoare annotation [2020-07-17 21:19:32,249 WARN L170 areAnnotationChecker]: L247 has no Hoare annotation [2020-07-17 21:19:32,249 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-17 21:19:32,249 WARN L170 areAnnotationChecker]: L761-1 has no Hoare annotation [2020-07-17 21:19:32,249 WARN L170 areAnnotationChecker]: L761-1 has no Hoare annotation [2020-07-17 21:19:32,249 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:19:32,250 WARN L170 areAnnotationChecker]: L720 has no Hoare annotation [2020-07-17 21:19:32,250 WARN L170 areAnnotationChecker]: L720 has no Hoare annotation [2020-07-17 21:19:32,250 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:19:32,250 WARN L170 areAnnotationChecker]: L540-2 has no Hoare annotation [2020-07-17 21:19:32,250 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-17 21:19:32,250 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-17 21:19:32,251 WARN L170 areAnnotationChecker]: L426 has no Hoare annotation [2020-07-17 21:19:32,251 WARN L170 areAnnotationChecker]: L426 has no Hoare annotation [2020-07-17 21:19:32,251 WARN L170 areAnnotationChecker]: L420-1 has no Hoare annotation [2020-07-17 21:19:32,251 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:19:32,251 WARN L170 areAnnotationChecker]: L518-1 has no Hoare annotation [2020-07-17 21:19:32,251 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-17 21:19:32,252 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-17 21:19:32,252 WARN L170 areAnnotationChecker]: L674 has no Hoare annotation [2020-07-17 21:19:32,252 WARN L170 areAnnotationChecker]: L674 has no Hoare annotation [2020-07-17 21:19:32,252 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-17 21:19:32,252 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-17 21:19:32,252 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-17 21:19:32,252 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-17 21:19:32,253 WARN L170 areAnnotationChecker]: L374-1 has no Hoare annotation [2020-07-17 21:19:32,253 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:19:32,253 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:19:32,253 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-17 21:19:32,253 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-17 21:19:32,253 WARN L170 areAnnotationChecker]: L834-2 has no Hoare annotation [2020-07-17 21:19:32,254 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:19:32,254 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:19:32,254 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:19:32,254 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:19:32,254 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-17 21:19:32,254 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-17 21:19:32,255 WARN L170 areAnnotationChecker]: L586-1 has no Hoare annotation [2020-07-17 21:19:32,255 WARN L170 areAnnotationChecker]: L690-1 has no Hoare annotation [2020-07-17 21:19:32,255 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:19:32,255 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:19:32,255 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:19:32,255 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:19:32,256 WARN L170 areAnnotationChecker]: L767-1 has no Hoare annotation [2020-07-17 21:19:32,256 WARN L170 areAnnotationChecker]: L767-1 has no Hoare annotation [2020-07-17 21:19:32,256 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-17 21:19:32,256 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:19:32,256 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:19:32,256 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:19:32,257 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:19:32,257 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-17 21:19:32,257 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-17 21:19:32,257 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:19:32,257 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-17 21:19:32,257 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-17 21:19:32,258 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-17 21:19:32,258 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-17 21:19:32,258 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-17 21:19:32,258 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-17 21:19:32,258 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-17 21:19:32,258 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-17 21:19:32,259 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:19:32,259 WARN L170 areAnnotationChecker]: L765-1 has no Hoare annotation [2020-07-17 21:19:32,259 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:19:32,259 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:19:32,259 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:19:32,259 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-17 21:19:32,260 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:19:32,260 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-17 21:19:32,260 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-17 21:19:32,260 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:19:32,260 WARN L170 areAnnotationChecker]: L240-1 has no Hoare annotation [2020-07-17 21:19:32,260 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-17 21:19:32,261 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-17 21:19:32,261 WARN L170 areAnnotationChecker]: L646-1 has no Hoare annotation [2020-07-17 21:19:32,261 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-17 21:19:32,261 WARN L170 areAnnotationChecker]: L588 has no Hoare annotation [2020-07-17 21:19:32,261 WARN L170 areAnnotationChecker]: L588 has no Hoare annotation [2020-07-17 21:19:32,261 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-17 21:19:32,262 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-17 21:19:32,262 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-17 21:19:32,262 WARN L170 areAnnotationChecker]: L664-2 has no Hoare annotation [2020-07-17 21:19:32,262 WARN L170 areAnnotationChecker]: L664-2 has no Hoare annotation [2020-07-17 21:19:32,262 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-17 21:19:32,262 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-17 21:19:32,262 WARN L170 areAnnotationChecker]: L636-1 has no Hoare annotation [2020-07-17 21:19:32,263 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-17 21:19:32,263 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:19:32,263 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-17 21:19:32,263 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:19:32,263 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:19:32,263 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-17 21:19:32,264 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-17 21:19:32,264 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-17 21:19:32,264 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-17 21:19:32,264 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-17 21:19:32,264 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-17 21:19:32,264 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-17 21:19:32,265 WARN L170 areAnnotationChecker]: L552-2 has no Hoare annotation [2020-07-17 21:19:32,265 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:19:32,265 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,265 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,265 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,265 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,266 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,266 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,266 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,266 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:19:32,266 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:19:32,266 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:19:32,267 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:19:32,267 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-17 21:19:32,267 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-17 21:19:32,267 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-17 21:19:32,267 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-17 21:19:32,267 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-17 21:19:32,268 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:19:32,268 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-17 21:19:32,268 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-17 21:19:32,268 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-17 21:19:32,268 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-17 21:19:32,268 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-17 21:19:32,269 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-17 21:19:32,269 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-17 21:19:32,269 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-17 21:19:32,269 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-17 21:19:32,269 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-17 21:19:32,269 WARN L170 areAnnotationChecker]: L726 has no Hoare annotation [2020-07-17 21:19:32,270 WARN L170 areAnnotationChecker]: L726 has no Hoare annotation [2020-07-17 21:19:32,270 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-17 21:19:32,270 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-17 21:19:32,270 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:19:32,270 WARN L170 areAnnotationChecker]: L322-1 has no Hoare annotation [2020-07-17 21:19:32,270 WARN L170 areAnnotationChecker]: L338-1 has no Hoare annotation [2020-07-17 21:19:32,271 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-17 21:19:32,271 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-17 21:19:32,271 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-17 21:19:32,271 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-17 21:19:32,271 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-17 21:19:32,271 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-17 21:19:32,271 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-17 21:19:32,272 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-17 21:19:32,272 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-17 21:19:32,272 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-17 21:19:32,272 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:19:32,272 WARN L170 areAnnotationChecker]: L727 has no Hoare annotation [2020-07-17 21:19:32,272 WARN L170 areAnnotationChecker]: L727 has no Hoare annotation [2020-07-17 21:19:32,273 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-17 21:19:32,273 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-17 21:19:32,273 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-17 21:19:32,273 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-17 21:19:32,273 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-17 21:19:32,273 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-17 21:19:32,274 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2020-07-17 21:19:32,274 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2020-07-17 21:19:32,274 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:19:32,274 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:19:32,274 WARN L170 areAnnotationChecker]: L563-1 has no Hoare annotation [2020-07-17 21:19:32,274 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-17 21:19:32,274 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-17 21:19:32,275 WARN L170 areAnnotationChecker]: L664 has no Hoare annotation [2020-07-17 21:19:32,275 WARN L170 areAnnotationChecker]: L664 has no Hoare annotation [2020-07-17 21:19:32,275 WARN L170 areAnnotationChecker]: L596 has no Hoare annotation [2020-07-17 21:19:32,275 WARN L170 areAnnotationChecker]: L596 has no Hoare annotation [2020-07-17 21:19:32,275 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:19:32,275 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:19:32,275 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-17 21:19:32,276 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-17 21:19:32,276 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-17 21:19:32,276 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-17 21:19:32,276 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-17 21:19:32,276 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-17 21:19:32,276 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-17 21:19:32,277 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-17 21:19:32,277 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:19:32,277 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:19:32,277 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-17 21:19:32,277 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-17 21:19:32,277 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-17 21:19:32,278 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:19:32,278 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:19:32,278 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-17 21:19:32,278 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-17 21:19:32,278 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-17 21:19:32,278 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-17 21:19:32,279 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:19:32,279 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:19:32,279 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:19:32,279 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:19:32,279 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:19:32,280 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:19:32,280 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:19:32,280 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 21:19:32,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:19:32 BoogieIcfgContainer [2020-07-17 21:19:32,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:19:32,285 INFO L168 Benchmark]: Toolchain (without parser) took 42808.31 ms. Allocated memory was 138.9 MB in the beginning and 660.6 MB in the end (delta: 521.7 MB). Free memory was 101.6 MB in the beginning and 248.6 MB in the end (delta: -147.0 MB). Peak memory consumption was 374.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:19:32,286 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:19:32,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.60 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 170.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:19:32,287 INFO L168 Benchmark]: Boogie Preprocessor took 133.80 ms. Allocated memory is still 203.4 MB. Free memory was 170.1 MB in the beginning and 164.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:19:32,288 INFO L168 Benchmark]: RCFGBuilder took 1787.97 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.8 MB in the beginning and 99.6 MB in the end (delta: 65.2 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. [2020-07-17 21:19:32,289 INFO L168 Benchmark]: TraceAbstraction took 40240.42 ms. Allocated memory was 235.9 MB in the beginning and 660.6 MB in the end (delta: 424.7 MB). Free memory was 99.6 MB in the beginning and 248.6 MB in the end (delta: -149.0 MB). Peak memory consumption was 275.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:19:32,292 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.60 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 170.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.80 ms. Allocated memory is still 203.4 MB. Free memory was 170.1 MB in the beginning and 164.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1787.97 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.8 MB in the beginning and 99.6 MB in the end (delta: 65.2 MB). Peak memory consumption was 97.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40240.42 ms. Allocated memory was 235.9 MB in the beginning and 660.6 MB in the end (delta: 424.7 MB). Free memory was 99.6 MB in the beginning and 248.6 MB in the end (delta: -149.0 MB). Peak memory consumption was 275.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int pumpRunning = 0; [L463] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L779] int waterLevel = 1; [L780] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=142, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] int retValue_acc ; [L757] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L761] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L763] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L767] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L768] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L750] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L638] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L797] COND TRUE waterLevel < 2 [L798] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND FALSE !(\read(tmp___2)) [L662] tmp___1 = __VERIFIER_nondet_int() [L664] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L671] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L485] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] int tmp ; [L581] int tmp___0 ; [L582] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] int retValue_acc ; [L821] retValue_acc = methaneLevelCritical [L822] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L586] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] tmp = isMethaneLevelCritical() [L588] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L592] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L850] int retValue_acc ; [L853] retValue_acc = waterLevel [L854] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L592] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L592] tmp___0 = getWaterLevel() [L594] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L596] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] int retValue_acc ; [L528] retValue_acc = pumpRunning [L529] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L596] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L596] tmp___1 = isPumpRunning() [L598] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L602] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 30.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 517 SDslu, 214 SDs, 0 SdLazy, 1003 SolverSat, 318 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred 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: 5.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 101 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 80396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...