java -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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:52,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:52,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:52,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:52,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:52,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:52,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:52,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:52,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:52,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:52,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:52,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:52,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:52,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:52,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:52,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:52,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:52,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:52,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:52,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:52,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:52,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:52,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:52,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:52,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:52,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:52,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:52,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:52,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:52,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:52,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:52,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:52,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:52,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:52,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:52,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:52,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:52,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:52,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:52,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:52,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:52,178 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 [2019-09-08 06:08:52,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:52,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:52,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:52,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:52,197 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:52,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:52,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:52,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:52,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:52,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:52,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:52,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:52,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:52,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:52,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:52,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:52,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:52,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:52,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:52,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:52,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:52,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:52,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:52,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:52,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:52,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:52,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:52,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:52,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:52,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:52,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:52,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:52,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:52,259 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:52,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c [2019-09-08 06:08:52,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b204a2f2b/e1af68ef006e4abca0c2cb7be3661977/FLAGdbb58b703 [2019-09-08 06:08:52,856 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:52,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c [2019-09-08 06:08:52,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b204a2f2b/e1af68ef006e4abca0c2cb7be3661977/FLAGdbb58b703 [2019-09-08 06:08:53,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b204a2f2b/e1af68ef006e4abca0c2cb7be3661977 [2019-09-08 06:08:53,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:53,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:53,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:53,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:53,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:53,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbff7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53, skipping insertion in model container [2019-09-08 06:08:53,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,186 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:53,245 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:53,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:53,741 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:53,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:53,883 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:53,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53 WrapperNode [2019-09-08 06:08:53,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:53,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:53,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:53,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:53,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (1/1) ... [2019-09-08 06:08:53,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:53,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:53,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:53,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:53,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (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 [2019-09-08 06:08:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:08:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-08 06:08:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:08:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-08 06:08:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:55,096 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:55,097 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:55,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:55 BoogieIcfgContainer [2019-09-08 06:08:55,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:55,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:55,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:55,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:55,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:53" (1/3) ... [2019-09-08 06:08:55,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26418337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:55, skipping insertion in model container [2019-09-08 06:08:55,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:53" (2/3) ... [2019-09-08 06:08:55,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26418337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:55, skipping insertion in model container [2019-09-08 06:08:55,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:55" (3/3) ... [2019-09-08 06:08:55,109 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2019-09-08 06:08:55,120 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:55,130 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:55,146 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:55,196 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:55,197 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:55,197 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:55,197 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:55,198 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:55,198 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:55,198 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:55,198 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:55,198 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2019-09-08 06:08:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:55,242 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:55,243 INFO L399 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] [2019-09-08 06:08:55,247 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:55,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:55,253 INFO L82 PathProgramCache]: Analyzing trace with hash 269315160, now seen corresponding path program 1 times [2019-09-08 06:08:55,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:55,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:55,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:55,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:55,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:55,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:55,629 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:55,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:55,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:55,647 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2019-09-08 06:08:55,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:55,703 INFO L93 Difference]: Finished difference Result 210 states and 263 transitions. [2019-09-08 06:08:55,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:55,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:08:55,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:55,726 INFO L225 Difference]: With dead ends: 210 [2019-09-08 06:08:55,727 INFO L226 Difference]: Without dead ends: 105 [2019-09-08 06:08:55,735 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-08 06:08:55,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-08 06:08:55,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-08 06:08:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions. [2019-09-08 06:08:55,788 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 52 [2019-09-08 06:08:55,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:55,789 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions. [2019-09-08 06:08:55,789 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:55,789 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2019-09-08 06:08:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:08:55,795 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:55,795 INFO L399 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] [2019-09-08 06:08:55,795 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:55,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:55,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1813296693, now seen corresponding path program 1 times [2019-09-08 06:08:55,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:55,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:55,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:55,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:55,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:55,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:55,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:55,911 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:55,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:55,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:55,913 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 3 states. [2019-09-08 06:08:55,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:55,947 INFO L93 Difference]: Finished difference Result 159 states and 185 transitions. [2019-09-08 06:08:55,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:55,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:08:55,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:55,953 INFO L225 Difference]: With dead ends: 159 [2019-09-08 06:08:55,953 INFO L226 Difference]: Without dead ends: 96 [2019-09-08 06:08:55,955 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:55,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-08 06:08:55,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-08 06:08:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-08 06:08:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2019-09-08 06:08:55,973 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 53 [2019-09-08 06:08:55,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:55,973 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2019-09-08 06:08:55,974 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2019-09-08 06:08:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 06:08:55,976 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:55,976 INFO L399 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] [2019-09-08 06:08:55,976 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:55,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2099874592, now seen corresponding path program 1 times [2019-09-08 06:08:55,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:55,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:55,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:55,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:56,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:56,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:56,125 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:56,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:56,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:56,126 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 3 states. [2019-09-08 06:08:56,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:56,164 INFO L93 Difference]: Finished difference Result 168 states and 199 transitions. [2019-09-08 06:08:56,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:56,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-09-08 06:08:56,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:56,167 INFO L225 Difference]: With dead ends: 168 [2019-09-08 06:08:56,167 INFO L226 Difference]: Without dead ends: 96 [2019-09-08 06:08:56,168 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:56,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-08 06:08:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-08 06:08:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-08 06:08:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2019-09-08 06:08:56,189 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 57 [2019-09-08 06:08:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:56,189 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2019-09-08 06:08:56,189 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2019-09-08 06:08:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 06:08:56,196 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:56,197 INFO L399 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] [2019-09-08 06:08:56,197 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:56,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:56,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1251058736, now seen corresponding path program 1 times [2019-09-08 06:08:56,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:56,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:56,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:56,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:56,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:56,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:56,362 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:56,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:56,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:56,364 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 6 states. [2019-09-08 06:08:56,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:56,658 INFO L93 Difference]: Finished difference Result 229 states and 278 transitions. [2019-09-08 06:08:56,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:56,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-09-08 06:08:56,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:56,671 INFO L225 Difference]: With dead ends: 229 [2019-09-08 06:08:56,671 INFO L226 Difference]: Without dead ends: 157 [2019-09-08 06:08:56,673 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:08:56,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-09-08 06:08:56,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2019-09-08 06:08:56,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-09-08 06:08:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2019-09-08 06:08:56,730 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 65 [2019-09-08 06:08:56,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:56,732 INFO L475 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2019-09-08 06:08:56,732 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2019-09-08 06:08:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 06:08:56,736 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:56,737 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:56,737 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:56,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:56,738 INFO L82 PathProgramCache]: Analyzing trace with hash 347919862, now seen corresponding path program 1 times [2019-09-08 06:08:56,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:56,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:56,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:56,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:56,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:56,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:56,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:56,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:56,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:56,963 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand 3 states. [2019-09-08 06:08:56,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:56,994 INFO L93 Difference]: Finished difference Result 254 states and 306 transitions. [2019-09-08 06:08:56,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:56,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-09-08 06:08:56,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:56,997 INFO L225 Difference]: With dead ends: 254 [2019-09-08 06:08:56,997 INFO L226 Difference]: Without dead ends: 123 [2019-09-08 06:08:57,002 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:57,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-09-08 06:08:57,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-09-08 06:08:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-09-08 06:08:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2019-09-08 06:08:57,032 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 69 [2019-09-08 06:08:57,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:57,032 INFO L475 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2019-09-08 06:08:57,033 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2019-09-08 06:08:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 06:08:57,036 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:57,036 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:57,036 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:57,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1559260886, now seen corresponding path program 1 times [2019-09-08 06:08:57,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:57,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:57,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:57,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:57,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:57,930 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:08:58,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:08:58 BoogieIcfgContainer [2019-09-08 06:08:58,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:08:58,132 INFO L168 Benchmark]: Toolchain (without parser) took 4959.52 ms. Allocated memory was 132.1 MB in the beginning and 264.2 MB in the end (delta: 132.1 MB). Free memory was 87.0 MB in the beginning and 228.0 MB in the end (delta: -141.0 MB). Peak memory consumption was 147.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,135 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.99 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 164.1 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,140 INFO L168 Benchmark]: Boogie Preprocessor took 106.27 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,141 INFO L168 Benchmark]: RCFGBuilder took 1107.74 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 79.0 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,143 INFO L168 Benchmark]: TraceAbstraction took 3026.83 ms. Allocated memory was 198.7 MB in the beginning and 264.2 MB in the end (delta: 65.5 MB). Free memory was 78.4 MB in the beginning and 228.0 MB in the end (delta: -149.6 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:58,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.99 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 164.1 MB in the end (delta: -77.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.27 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1107.74 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 79.0 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3026.83 ms. Allocated memory was 198.7 MB in the beginning and 264.2 MB in the end (delta: 65.5 MB). Free memory was 78.4 MB in the beginning and 228.0 MB in the end (delta: -149.6 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L249] int retValue_acc ; [L250] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L260] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L261] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L243] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L470] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L472] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L482] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L482] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=8, waterLevel=2] [L513] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L330] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L433] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L439] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L439] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L439] tmp___0 = getWaterLevel() [L441] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L443] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L443] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L443] tmp___1 = isPumpRunning() [L445] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L449] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 214 locations, 1 error locations. UNSAFE Result, 2.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 558 SDtfs, 220 SDslu, 493 SDs, 0 SdLazy, 74 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 365 NumberOfCodeBlocks, 365 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 27665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...