/usr/bin/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:06:58,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:06:58,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:06:58,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:06:58,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:06:58,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:06:58,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:06:58,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:06:58,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:06:58,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:06:58,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:06:58,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:06:58,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:06:58,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:06:58,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:06:58,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:06:58,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:06:58,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:06:58,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:06:58,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:06:58,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:06:58,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:06:58,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:06:58,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:06:58,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:06:58,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:06:58,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:06:58,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:06:58,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:06:58,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:06:58,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:06:58,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:06:58,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:06:58,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:06:58,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:06:58,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:06:58,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:06:58,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:06:58,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:06:58,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:06:58,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:06:58,878 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 [2020-08-22 16:06:58,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:06:58,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:06:58,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:06:58,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:06:58,902 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:06:58,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:06:58,902 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:06:58,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:06:58,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:06:58,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:06:58,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:06:58,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:06:58,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:06:58,904 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:06:58,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:06:58,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:06:58,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:06:58,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:06:58,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:06:58,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:06:58,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:06:58,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:06:58,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:06:58,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:06:58,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:06:58,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:06:58,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:06:58,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:06:58,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:06:58,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:06:59,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:06:59,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:06:59,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:06:59,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:06:59,255 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:06:59,256 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2020-08-22 16:06:59,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd684df07/a73fc991a5204e2bbddbabecc1b32b45/FLAG1707698ca [2020-08-22 16:06:59,824 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:06:59,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2020-08-22 16:06:59,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd684df07/a73fc991a5204e2bbddbabecc1b32b45/FLAG1707698ca [2020-08-22 16:07:00,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd684df07/a73fc991a5204e2bbddbabecc1b32b45 [2020-08-22 16:07:00,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:07:00,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:07:00,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:07:00,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:07:00,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:07:00,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:00,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7601f1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00, skipping insertion in model container [2020-08-22 16:07:00,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:00,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:07:00,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:07:00,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:07:00,782 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:07:00,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:07:00,953 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:07:00,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00 WrapperNode [2020-08-22 16:07:00,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:07:00,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:07:00,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:07:00,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:07:00,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:00,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:00,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:00,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:01,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:01,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:01,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... [2020-08-22 16:07:01,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:07:01,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:07:01,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:07:01,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:07:01,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:07:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:07:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:07:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 16:07:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 16:07:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 16:07:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 16:07:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 16:07:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 16:07:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 16:07:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 16:07:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 16:07:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 16:07:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 16:07:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 16:07:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 16:07:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 16:07:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 16:07:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 16:07:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 16:07:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 16:07:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 16:07:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 16:07:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 16:07:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 16:07:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 16:07:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 16:07:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 16:07:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 16:07:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 16:07:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 16:07:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 16:07:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 16:07:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 16:07:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 16:07:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 16:07:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 16:07:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 16:07:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 16:07:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 16:07:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 16:07:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 16:07:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:07:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 16:07:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-22 16:07:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:07:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:07:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 16:07:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 16:07:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 16:07:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 16:07:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 16:07:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 16:07:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 16:07:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 16:07:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 16:07:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 16:07:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 16:07:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 16:07:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 16:07:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 16:07:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 16:07:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 16:07:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 16:07:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-22 16:07:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 16:07:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 16:07:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 16:07:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 16:07:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 16:07:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 16:07:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 16:07:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 16:07:01,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:07:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 16:07:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 16:07:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 16:07:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 16:07:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 16:07:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 16:07:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:07:01,176 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 16:07:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 16:07:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:07:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:07:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:07:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:07:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 16:07:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:07:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 16:07:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 16:07:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:07:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 16:07:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 16:07:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 16:07:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 16:07:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 16:07:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 16:07:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:07:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 16:07:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:07:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 16:07:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:07:02,345 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:07:02,345 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 16:07:02,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:07:02 BoogieIcfgContainer [2020-08-22 16:07:02,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:07:02,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:07:02,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:07:02,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:07:02,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:07:00" (1/3) ... [2020-08-22 16:07:02,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124c4b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:07:02, skipping insertion in model container [2020-08-22 16:07:02,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:07:00" (2/3) ... [2020-08-22 16:07:02,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124c4b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:07:02, skipping insertion in model container [2020-08-22 16:07:02,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:07:02" (3/3) ... [2020-08-22 16:07:02,360 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2020-08-22 16:07:02,372 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:07:02,381 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:07:02,398 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:07:02,425 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:07:02,425 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:07:02,425 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:07:02,426 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:07:02,426 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:07:02,426 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:07:02,426 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:07:02,426 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:07:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-08-22 16:07:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 16:07:02,465 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:07:02,466 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] [2020-08-22 16:07:02,467 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:07:02,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:07:02,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1153750625, now seen corresponding path program 1 times [2020-08-22 16:07:02,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:07:02,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823171185] [2020-08-22 16:07:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:07:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,194 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:07:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:07:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:07:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:07:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:07:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:07:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:07:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:07:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:07:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:07:03,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823171185] [2020-08-22 16:07:03,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:07:03,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 16:07:03,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35904134] [2020-08-22 16:07:03,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:07:03,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:07:03,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:07:03,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 16:07:03,363 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 3 states. [2020-08-22 16:07:04,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:07:04,921 INFO L93 Difference]: Finished difference Result 380 states and 494 transitions. [2020-08-22 16:07:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:07:04,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-08-22 16:07:04,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:07:04,939 INFO L225 Difference]: With dead ends: 380 [2020-08-22 16:07:04,939 INFO L226 Difference]: Without dead ends: 205 [2020-08-22 16:07:04,945 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 [2020-08-22 16:07:04,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-08-22 16:07:05,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 166. [2020-08-22 16:07:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-08-22 16:07:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 198 transitions. [2020-08-22 16:07:05,049 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 198 transitions. Word has length 52 [2020-08-22 16:07:05,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:07:05,049 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 198 transitions. [2020-08-22 16:07:05,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:07:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2020-08-22 16:07:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-22 16:07:05,054 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:07:05,055 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] [2020-08-22 16:07:05,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:07:05,055 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:07:05,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:07:05,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2119837363, now seen corresponding path program 1 times [2020-08-22 16:07:05,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:07:05,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831727366] [2020-08-22 16:07:05,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:07:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,404 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:07:05,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:07:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:07:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:07:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:07:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:07:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 16:07:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 16:07:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-22 16:07:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:07:05,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831727366] [2020-08-22 16:07:05,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:07:05,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:07:05,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21810882] [2020-08-22 16:07:05,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:07:05,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:07:05,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:07:05,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:07:05,458 INFO L87 Difference]: Start difference. First operand 166 states and 198 transitions. Second operand 4 states. [2020-08-22 16:07:05,929 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:07:07,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:07:07,038 INFO L93 Difference]: Finished difference Result 303 states and 373 transitions. [2020-08-22 16:07:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:07:07,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-08-22 16:07:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:07:07,043 INFO L225 Difference]: With dead ends: 303 [2020-08-22 16:07:07,043 INFO L226 Difference]: Without dead ends: 189 [2020-08-22 16:07:07,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:07:07,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-08-22 16:07:07,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 157. [2020-08-22 16:07:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-08-22 16:07:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2020-08-22 16:07:07,094 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 53 [2020-08-22 16:07:07,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:07:07,094 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2020-08-22 16:07:07,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:07:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2020-08-22 16:07:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-22 16:07:07,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:07:07,103 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] [2020-08-22 16:07:07,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:07:07,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:07:07,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:07:07,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1174645714, now seen corresponding path program 1 times [2020-08-22 16:07:07,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:07:07,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637026132] [2020-08-22 16:07:07,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:07:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,471 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:07:07,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:07:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:07:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:07:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:07:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:07:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:07:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:07:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 16:07:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:07:07,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637026132] [2020-08-22 16:07:07,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:07:07,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:07:07,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484784721] [2020-08-22 16:07:07,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:07:07,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:07:07,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:07:07,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:07:07,635 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 8 states. [2020-08-22 16:07:07,996 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 16:07:08,305 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:07:08,553 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:07:08,796 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:07:09,479 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:07:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:07:12,041 INFO L93 Difference]: Finished difference Result 540 states and 672 transitions. [2020-08-22 16:07:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 16:07:12,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-22 16:07:12,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:07:12,052 INFO L225 Difference]: With dead ends: 540 [2020-08-22 16:07:12,053 INFO L226 Difference]: Without dead ends: 407 [2020-08-22 16:07:12,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:07:12,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-08-22 16:07:12,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 334. [2020-08-22 16:07:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-08-22 16:07:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 407 transitions. [2020-08-22 16:07:12,155 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 407 transitions. Word has length 58 [2020-08-22 16:07:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:07:12,155 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 407 transitions. [2020-08-22 16:07:12,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:07:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 407 transitions. [2020-08-22 16:07:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-22 16:07:12,162 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:07:12,163 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] [2020-08-22 16:07:12,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:07:12,163 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:07:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:07:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1545438199, now seen corresponding path program 1 times [2020-08-22 16:07:12,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:07:12,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783641222] [2020-08-22 16:07:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:07:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,553 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:07:12,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:07:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:07:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:07:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:07:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:07:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 16:07:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:07:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 16:07:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 16:07:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:07:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:07:12,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783641222] [2020-08-22 16:07:12,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:07:12,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:07:12,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167169196] [2020-08-22 16:07:12,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:07:12,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:07:12,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:07:12,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:07:12,642 INFO L87 Difference]: Start difference. First operand 334 states and 407 transitions. Second operand 8 states. [2020-08-22 16:07:13,109 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 16:07:14,444 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:07:14,816 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:07:15,126 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:07:15,393 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 16:07:16,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:07:16,704 INFO L93 Difference]: Finished difference Result 1041 states and 1365 transitions. [2020-08-22 16:07:16,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:07:16,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-08-22 16:07:16,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:07:16,711 INFO L225 Difference]: With dead ends: 1041 [2020-08-22 16:07:16,711 INFO L226 Difference]: Without dead ends: 731 [2020-08-22 16:07:16,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:07:16,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-08-22 16:07:16,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 653. [2020-08-22 16:07:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2020-08-22 16:07:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 809 transitions. [2020-08-22 16:07:16,871 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 809 transitions. Word has length 63 [2020-08-22 16:07:16,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:07:16,872 INFO L479 AbstractCegarLoop]: Abstraction has 653 states and 809 transitions. [2020-08-22 16:07:16,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:07:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 809 transitions. [2020-08-22 16:07:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-08-22 16:07:16,876 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:07:16,876 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, 1, 1] [2020-08-22 16:07:16,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:07:16,877 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:07:16,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:07:16,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1461698211, now seen corresponding path program 1 times [2020-08-22 16:07:16,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:07:16,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657408764] [2020-08-22 16:07:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:07:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:07:16,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:07:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:07:17,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:07:17,092 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:07:17,093 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:07:17,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:07:17,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:07:17 BoogieIcfgContainer [2020-08-22 16:07:17,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:07:17,269 INFO L168 Benchmark]: Toolchain (without parser) took 17031.59 ms. Allocated memory was 147.3 MB in the beginning and 522.7 MB in the end (delta: 375.4 MB). Free memory was 101.4 MB in the beginning and 451.9 MB in the end (delta: -350.4 MB). Peak memory consumption was 350.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:07:17,270 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.3 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-08-22 16:07:17,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.08 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 101.0 MB in the beginning and 167.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:07:17,272 INFO L168 Benchmark]: Boogie Preprocessor took 106.38 ms. Allocated memory is still 202.9 MB. Free memory was 167.7 MB in the beginning and 163.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:07:17,273 INFO L168 Benchmark]: RCFGBuilder took 1289.03 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 163.9 MB in the beginning and 187.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:07:17,274 INFO L168 Benchmark]: TraceAbstraction took 14914.45 ms. Allocated memory was 234.9 MB in the beginning and 522.7 MB in the end (delta: 287.8 MB). Free memory was 185.3 MB in the beginning and 451.9 MB in the end (delta: -266.5 MB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:07:17,278 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.3 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.08 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 101.0 MB in the beginning and 167.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.38 ms. Allocated memory is still 202.9 MB. Free memory was 167.7 MB in the beginning and 163.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1289.03 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 163.9 MB in the beginning and 187.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14914.45 ms. Allocated memory was 234.9 MB in the beginning and 522.7 MB in the end (delta: 287.8 MB). Free memory was 185.3 MB in the beginning and 451.9 MB in the end (delta: -266.5 MB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L90] int pumpRunning = 0; [L91] int systemActive = 1; [L427] int waterLevel = 1; [L428] int methaneLevelCritical = 0; [L699] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=137, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L976] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L976] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L980] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L981] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L358] int splverifierCounter ; [L359] int tmp ; [L360] int tmp___0 ; [L361] int tmp___1 ; [L362] int tmp___2 ; [L365] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L367] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L369] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L375] tmp = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L379] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] COND TRUE waterLevel < 2 [L446] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L379] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L385] tmp___0 = __VERIFIER_nondet_int() [L387] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L395] tmp___2 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___2)) [L403] tmp___1 = __VERIFIER_nondet_int() [L405] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L407] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L334] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L341] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L407] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L414] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L98] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L105] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L113] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1002] int tmp ; [L1003] int tmp___0 ; [L1004] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1008] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L466] int retValue_acc ; [L469] retValue_acc = methaneLevelCritical [L470] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1008] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1008] tmp = isMethaneLevelCritical() [L1010] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L1014] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L498] int retValue_acc ; [L501] retValue_acc = waterLevel [L502] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L1014] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L1014] tmp___0 = getWaterLevel() [L1016] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1018] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L1018] tmp___1 = isPumpRunning() [L1020] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L1024] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L996] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 628 SDtfs, 1054 SDslu, 414 SDs, 0 SdLazy, 2432 SolverSat, 646 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=653occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 222 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...