/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:35:23,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:35:23,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:35:23,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:35:23,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:35:23,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:35:23,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:35:23,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:35:23,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:35:23,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:35:23,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:35:23,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:35:23,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:35:23,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:35:23,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:35:23,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:35:23,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:35:23,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:35:23,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:35:23,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:35:23,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:35:23,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:35:23,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:35:23,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:35:23,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:35:23,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:35:23,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:35:23,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:35:23,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:35:23,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:35:23,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:35:23,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:35:23,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:35:23,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:35:23,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:35:23,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:35:23,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:35:23,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:35:23,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:35:23,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:35:23,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:35:23,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:35:24,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:35:24,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:35:24,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:35:24,018 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:35:24,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:35:24,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:35:24,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:35:24,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:35:24,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:35:24,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:35:24,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:35:24,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:35:24,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:35:24,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:35:24,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:35:24,024 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:35:24,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:35:24,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:35:24,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:35:24,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:35:24,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:35:24,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:35:24,026 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:35:24,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:35:24,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:35:24,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:35:24,343 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:35:24,344 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:35:24,344 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2020-07-07 12:35:24,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610182480/997281dfead44c70a3224ed2bf39e468/FLAG37d441aff [2020-07-07 12:35:24,907 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:35:24,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product64.cil.c [2020-07-07 12:35:24,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610182480/997281dfead44c70a3224ed2bf39e468/FLAG37d441aff [2020-07-07 12:35:25,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610182480/997281dfead44c70a3224ed2bf39e468 [2020-07-07 12:35:25,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:35:25,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:35:25,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:35:25,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:35:25,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:35:25,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78645f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25, skipping insertion in model container [2020-07-07 12:35:25,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:35:25,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:35:25,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:35:25,748 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:35:25,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:35:25,880 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:35:25,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25 WrapperNode [2020-07-07 12:35:25,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:35:25,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:35:25,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:35:25,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:35:25,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... [2020-07-07 12:35:25,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:35:25,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:35:25,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:35:25,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:35:25,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:35:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:35:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:35:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:35:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:35:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:35:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:35:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:35:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:35:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:35:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:35:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:35:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:35:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 12:35:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:35:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:35:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:35:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:35:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:35:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:35:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 12:35:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:35:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:35:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:35:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:35:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:35:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:35:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:35:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:35:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:35:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:35:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 12:35:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:35:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:35:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:35:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:35:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:35:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:35:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:35:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:35:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:35:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:35:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:35:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:35:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:35:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:35:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:35:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:35:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:35:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:35:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:35:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:35:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:35:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:35:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:35:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:35:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 12:35:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:35:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:35:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:35:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:35:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:35:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:35:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:35:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 12:35:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:35:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:35:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:35:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:35:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 12:35:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:35:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:35:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 12:35:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:35:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:35:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:35:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:35:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:35:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:35:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:35:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:35:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:35:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:35:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:35:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:35:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:35:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:35:26,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:35:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:35:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:35:26,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:35:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:35:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:35:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:35:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:35:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:35:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:35:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:35:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:35:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:35:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:35:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:35:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:35:27,159 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:35:27,159 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:35:27,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:35:27 BoogieIcfgContainer [2020-07-07 12:35:27,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:35:27,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:35:27,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:35:27,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:35:27,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:35:25" (1/3) ... [2020-07-07 12:35:27,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cab096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:35:27, skipping insertion in model container [2020-07-07 12:35:27,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:35:25" (2/3) ... [2020-07-07 12:35:27,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cab096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:35:27, skipping insertion in model container [2020-07-07 12:35:27,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:35:27" (3/3) ... [2020-07-07 12:35:27,178 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2020-07-07 12:35:27,186 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:35:27,194 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:35:27,208 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:35:27,230 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:35:27,230 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:35:27,230 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:35:27,230 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:35:27,231 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:35:27,231 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:35:27,231 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:35:27,231 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:35:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-07-07 12:35:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 12:35:27,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:35:27,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:35:27,278 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:35:27,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:35:27,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1409886201, now seen corresponding path program 1 times [2020-07-07 12:35:27,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:35:27,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363544384] [2020-07-07 12:35:27,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:35:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,040 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:35:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:35:28,193 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:35:28,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363544384] [2020-07-07 12:35:28,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:35:28,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 12:35:28,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667364297] [2020-07-07 12:35:28,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 12:35:28,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:35:28,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 12:35:28,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:35:28,232 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 3 states. [2020-07-07 12:35:29,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:35:29,868 INFO L93 Difference]: Finished difference Result 596 states and 710 transitions. [2020-07-07 12:35:29,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 12:35:29,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-07 12:35:29,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:35:29,903 INFO L225 Difference]: With dead ends: 596 [2020-07-07 12:35:29,903 INFO L226 Difference]: Without dead ends: 359 [2020-07-07 12:35:29,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 12:35:29,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-07-07 12:35:30,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 311. [2020-07-07 12:35:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-07-07 12:35:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 343 transitions. [2020-07-07 12:35:30,113 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 343 transitions. Word has length 153 [2020-07-07 12:35:30,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:35:30,114 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 343 transitions. [2020-07-07 12:35:30,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 12:35:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 343 transitions. [2020-07-07 12:35:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 12:35:30,120 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:35:30,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:35:30,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:35:30,121 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:35:30,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:35:30,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1484490913, now seen corresponding path program 1 times [2020-07-07 12:35:30,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:35:30,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134901868] [2020-07-07 12:35:30,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:35:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,479 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:35:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:35:30,571 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:35:30,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134901868] [2020-07-07 12:35:30,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:35:30,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:35:30,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619909277] [2020-07-07 12:35:30,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:35:30,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:35:30,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:35:30,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:35:30,576 INFO L87 Difference]: Start difference. First operand 311 states and 343 transitions. Second operand 4 states. [2020-07-07 12:35:31,216 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:35:32,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:35:32,480 INFO L93 Difference]: Finished difference Result 503 states and 573 transitions. [2020-07-07 12:35:32,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 12:35:32,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-07 12:35:32,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:35:32,486 INFO L225 Difference]: With dead ends: 503 [2020-07-07 12:35:32,486 INFO L226 Difference]: Without dead ends: 342 [2020-07-07 12:35:32,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:35:32,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-07 12:35:32,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 301. [2020-07-07 12:35:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-07 12:35:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 330 transitions. [2020-07-07 12:35:32,631 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 330 transitions. Word has length 154 [2020-07-07 12:35:32,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:35:32,632 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 330 transitions. [2020-07-07 12:35:32,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:35:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 330 transitions. [2020-07-07 12:35:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-07 12:35:32,635 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:35:32,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:35:32,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:35:32,636 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:35:32,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:35:32,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1631977851, now seen corresponding path program 1 times [2020-07-07 12:35:32,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:35:32,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673732149] [2020-07-07 12:35:32,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:35:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:32,945 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:35:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:35:33,081 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:35:33,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673732149] [2020-07-07 12:35:33,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:35:33,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:35:33,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588661929] [2020-07-07 12:35:33,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:35:33,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:35:33,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:35:33,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:35:33,084 INFO L87 Difference]: Start difference. First operand 301 states and 330 transitions. Second operand 10 states. [2020-07-07 12:35:33,778 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:35:34,074 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:35:34,317 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:35:34,560 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:35:34,807 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:35:35,035 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:35:35,878 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:35:39,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:35:39,015 INFO L93 Difference]: Finished difference Result 857 states and 1002 transitions. [2020-07-07 12:35:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:35:39,015 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-07-07 12:35:39,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:35:39,022 INFO L225 Difference]: With dead ends: 857 [2020-07-07 12:35:39,022 INFO L226 Difference]: Without dead ends: 666 [2020-07-07 12:35:39,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:35:39,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-07-07 12:35:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 563. [2020-07-07 12:35:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-07-07 12:35:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 636 transitions. [2020-07-07 12:35:39,201 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 636 transitions. Word has length 167 [2020-07-07 12:35:39,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:35:39,201 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 636 transitions. [2020-07-07 12:35:39,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:35:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 636 transitions. [2020-07-07 12:35:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-07 12:35:39,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:35:39,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:35:39,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:35:39,207 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:35:39,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:35:39,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1733471064, now seen corresponding path program 1 times [2020-07-07 12:35:39,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:35:39,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393666440] [2020-07-07 12:35:39,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:35:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,536 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 12:35:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:35:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:35:39,673 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:35:39,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393666440] [2020-07-07 12:35:39,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:35:39,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 12:35:39,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706472537] [2020-07-07 12:35:39,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 12:35:39,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:35:39,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 12:35:39,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-07 12:35:39,676 INFO L87 Difference]: Start difference. First operand 563 states and 636 transitions. Second operand 9 states. [2020-07-07 12:35:40,171 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:35:42,139 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:35:42,439 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:35:42,786 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:35:43,127 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 12:35:43,373 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:35:43,611 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:35:43,843 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 12:35:45,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:35:45,127 INFO L93 Difference]: Finished difference Result 1567 states and 1891 transitions. [2020-07-07 12:35:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 12:35:45,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-07-07 12:35:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:35:45,135 INFO L225 Difference]: With dead ends: 1567 [2020-07-07 12:35:45,135 INFO L226 Difference]: Without dead ends: 1114 [2020-07-07 12:35:45,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:35:45,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2020-07-07 12:35:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1003. [2020-07-07 12:35:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-07-07 12:35:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1159 transitions. [2020-07-07 12:35:45,471 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1159 transitions. Word has length 172 [2020-07-07 12:35:45,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:35:45,471 INFO L479 AbstractCegarLoop]: Abstraction has 1003 states and 1159 transitions. [2020-07-07 12:35:45,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 12:35:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1159 transitions. [2020-07-07 12:35:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-07 12:35:45,477 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:35:45,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:35:45,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:35:45,478 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:35:45,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:35:45,478 INFO L82 PathProgramCache]: Analyzing trace with hash 102633961, now seen corresponding path program 1 times [2020-07-07 12:35:45,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:35:45,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804152811] [2020-07-07 12:35:45,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:35:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:35:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:35:45,776 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:35:45,776 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:35:45,776 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:35:45,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:35:45,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:35:45 BoogieIcfgContainer [2020-07-07 12:35:45,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:35:45,802 INFO L168 Benchmark]: Toolchain (without parser) took 20555.71 ms. Allocated memory was 139.5 MB in the beginning and 657.5 MB in the end (delta: 518.0 MB). Free memory was 103.2 MB in the beginning and 123.0 MB in the end (delta: -19.9 MB). Peak memory consumption was 498.1 MB. Max. memory is 7.1 GB. [2020-07-07 12:35:45,803 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 12:35:45,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.22 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.0 MB in the beginning and 173.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-07-07 12:35:45,804 INFO L168 Benchmark]: Boogie Preprocessor took 86.60 ms. Allocated memory is still 205.0 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 12:35:45,805 INFO L168 Benchmark]: RCFGBuilder took 1198.25 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 171.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-07-07 12:35:45,806 INFO L168 Benchmark]: TraceAbstraction took 18632.86 ms. Allocated memory was 237.5 MB in the beginning and 657.5 MB in the end (delta: 420.0 MB). Free memory was 169.6 MB in the beginning and 123.0 MB in the end (delta: 46.6 MB). Peak memory consumption was 466.5 MB. Max. memory is 7.1 GB. [2020-07-07 12:35:45,810 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.22 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 103.0 MB in the beginning and 173.2 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.60 ms. Allocated memory is still 205.0 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1198.25 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 171.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18632.86 ms. Allocated memory was 237.5 MB in the beginning and 657.5 MB in the end (delta: 420.0 MB). Free memory was 169.6 MB in the beginning and 123.0 MB in the end (delta: 46.6 MB). Peak memory consumption was 466.5 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; [L969] int retValue_acc ; [L970] int tmp ; [L974] FCALL select_helpers() [L975] FCALL select_features() [L976] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L976] RET, EXPR valid_product() [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) [L980] FCALL setup() [L981] CALL runTest() [L963] CALL test() [L358] int splverifierCounter ; [L359] int tmp ; [L360] int tmp___0 ; [L361] int tmp___1 ; [L362] int tmp___2 ; [L365] splverifierCounter = 0 [L367] COND TRUE 1 [L369] COND TRUE splverifierCounter < 4 [L375] tmp = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp) [L379] CALL waterRise() [L445] COND TRUE waterLevel < 2 [L446] waterLevel = waterLevel + 1 [L379] RET waterRise() [L385] tmp___0 = __VERIFIER_nondet_int() [L387] COND FALSE !(\read(tmp___0)) [L395] tmp___2 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___2)) [L403] tmp___1 = __VERIFIER_nondet_int() [L405] COND TRUE \read(tmp___1) [L407] CALL stopSystem() [L334] COND FALSE !(\read(pumpRunning)) [L341] systemActive = 0 [L407] RET stopSystem() [L414] CALL timeShift() [L98] COND FALSE !(\read(pumpRunning)) [L105] COND FALSE !(\read(systemActive)) [L113] CALL __utac_acc__Specification3_spec__1() [L1002] int tmp ; [L1003] int tmp___0 ; [L1004] int tmp___1 ; [L1008] CALL, EXPR isMethaneLevelCritical() [L466] int retValue_acc ; [L469] retValue_acc = methaneLevelCritical [L470] return (retValue_acc); [L1008] RET, EXPR isMethaneLevelCritical() [L1008] tmp = isMethaneLevelCritical() [L1010] COND FALSE !(\read(tmp)) [L1014] CALL, EXPR getWaterLevel() [L498] int retValue_acc ; [L501] retValue_acc = waterLevel [L502] return (retValue_acc); [L1014] RET, EXPR getWaterLevel() [L1014] tmp___0 = getWaterLevel() [L1016] COND TRUE tmp___0 == 2 [L1018] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L1018] RET, EXPR isPumpRunning() [L1018] tmp___1 = isPumpRunning() [L1020] COND FALSE !(\read(tmp___1)) [L1024] CALL __automaton_fail() [L996] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 674 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1195 SDtfs, 1950 SDslu, 1496 SDs, 0 SdLazy, 3916 SolverSat, 721 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1003occurred 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: 0.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 303 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...