/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 00:14:00,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:14:00,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:14:00,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 00:14:00,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 00:14:00,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 00:14:00,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 00:14:00,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 00:14:00,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 00:14:00,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 00:14:00,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 00:14:00,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 00:14:00,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 00:14:00,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 00:14:00,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 00:14:00,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 00:14:00,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 00:14:00,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 00:14:00,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 00:14:00,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 00:14:00,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 00:14:00,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 00:14:00,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 00:14:00,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 00:14:00,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 00:14:00,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 00:14:00,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 00:14:00,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 00:14:00,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 00:14:00,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 00:14:00,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 00:14:00,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 00:14:00,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 00:14:00,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 00:14:00,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 00:14:00,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 00:14:00,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 00:14:00,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 00:14:00,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 00:14:00,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 00:14:00,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 00:14:00,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-22 00:14:00,966 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:14:00,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:14:00,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:14:00,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:14:00,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:14:00,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:14:00,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:14:00,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:14:00,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:14:00,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:14:00,974 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:14:00,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:14:00,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:14:00,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:14:00,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:14:00,975 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:14:00,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:14:00,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:14:00,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:14:00,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:14:00,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:14:00,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:14:00,977 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:14:01,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:14:01,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:14:01,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:14:01,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:14:01,482 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:14:01,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2021-02-22 00:14:01,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/413723f64/1f6036881f2141198ed7e5e7f5b63c23/FLAG365a5608d [2021-02-22 00:14:02,257 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:14:02,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2021-02-22 00:14:02,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/413723f64/1f6036881f2141198ed7e5e7f5b63c23/FLAG365a5608d [2021-02-22 00:14:02,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/413723f64/1f6036881f2141198ed7e5e7f5b63c23 [2021-02-22 00:14:02,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:14:02,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:14:02,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:14:02,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:14:02,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:14:02,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:14:02" (1/1) ... [2021-02-22 00:14:02,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552f9020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:02, skipping insertion in model container [2021-02-22 00:14:02,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:14:02" (1/1) ... [2021-02-22 00:14:02,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:14:02,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:14:02,987 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c[12348,12361] [2021-02-22 00:14:03,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:14:03,047 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:14:03,104 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c[12348,12361] [2021-02-22 00:14:03,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:14:03,192 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:14:03,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03 WrapperNode [2021-02-22 00:14:03,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:14:03,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:14:03,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:14:03,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:14:03,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (1/1) ... [2021-02-22 00:14:03,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (1/1) ... [2021-02-22 00:14:03,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (1/1) ... [2021-02-22 00:14:03,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (1/1) ... [2021-02-22 00:14:03,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (1/1) ... [2021-02-22 00:14:03,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (1/1) ... [2021-02-22 00:14:03,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (1/1) ... [2021-02-22 00:14:03,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:14:03,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:14:03,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:14:03,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:14:03,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (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 [2021-02-22 00:14:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:14:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:14:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 00:14:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:14:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 00:14:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 00:14:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 00:14:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 00:14:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:14:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 00:14:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 00:14:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 00:14:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 00:14:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 00:14:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 00:14:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 00:14:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 00:14:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 00:14:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 00:14:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 00:14:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-22 00:14:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-22 00:14:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-22 00:14:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 00:14:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 00:14:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 00:14:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 00:14:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 00:14:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 00:14:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-22 00:14:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 00:14:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 00:14:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 00:14:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 00:14:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 00:14:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 00:14:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 00:14:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 00:14:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-22 00:14:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 00:14:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:14:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:14:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 00:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 00:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 00:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 00:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 00:14:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 00:14:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 00:14:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 00:14:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 00:14:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-22 00:14:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 00:14:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 00:14:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 00:14:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 00:14:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 00:14:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:14:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 00:14:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 00:14:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 00:14:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 00:14:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 00:14:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:14:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 00:14:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 00:14:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:14:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 00:14:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 00:14:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:14:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 00:14:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 00:14:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 00:14:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 00:14:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 00:14:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 00:14:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 00:14:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-22 00:14:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-22 00:14:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 00:14:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 00:14:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 00:14:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-22 00:14:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 00:14:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 00:14:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 00:14:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 00:14:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-22 00:14:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 00:14:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:14:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:14:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:14:04,794 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:14:04,795 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 00:14:04,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:14:04 BoogieIcfgContainer [2021-02-22 00:14:04,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:14:04,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:14:04,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:14:04,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:14:04,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:14:02" (1/3) ... [2021-02-22 00:14:04,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb28480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:14:04, skipping insertion in model container [2021-02-22 00:14:04,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:14:03" (2/3) ... [2021-02-22 00:14:04,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb28480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:14:04, skipping insertion in model container [2021-02-22 00:14:04,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:14:04" (3/3) ... [2021-02-22 00:14:04,809 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2021-02-22 00:14:04,816 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:14:04,822 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:14:04,841 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:14:04,867 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:14:04,867 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:14:04,867 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:14:04,867 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:14:04,867 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:14:04,868 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:14:04,868 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:14:04,868 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:14:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2021-02-22 00:14:04,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-22 00:14:04,915 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:14:04,916 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 00:14:04,917 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:14:04,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:14:04,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1471972473, now seen corresponding path program 1 times [2021-02-22 00:14:04,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:14:04,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702834023] [2021-02-22 00:14:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:14:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:14:05,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:14:05,144 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Proofs are not supported at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 00:14:05,151 INFO L168 Benchmark]: Toolchain (without parser) took 2566.81 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 60.0 MB in the end (delta: 66.7 MB). Peak memory consumption was 67.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:14:05,152 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:14:05,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 105.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-22 00:14:05,154 INFO L168 Benchmark]: Boogie Preprocessor took 157.75 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 131.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-22 00:14:05,155 INFO L168 Benchmark]: RCFGBuilder took 1445.39 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 87.8 MB in the end (delta: 43.7 MB). Peak memory consumption was 65.2 MB. Max. memory is 8.0 GB. [2021-02-22 00:14:05,155 INFO L168 Benchmark]: TraceAbstraction took 348.45 ms. Allocated memory is still 151.0 MB. Free memory was 87.8 MB in the beginning and 60.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-02-22 00:14:05,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 599.25 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 105.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 157.75 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 131.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1445.39 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 87.8 MB in the end (delta: 43.7 MB). Peak memory consumption was 65.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 348.45 ms. Allocated memory is still 151.0 MB. Free memory was 87.8 MB in the beginning and 60.0 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Proofs are not supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Proofs are not supported: de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...