java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:17:09,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:17:09,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:17:09,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:17:09,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:17:09,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:17:09,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:17:09,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:17:09,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:17:09,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:17:09,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:17:09,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:17:09,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:17:09,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:17:09,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:17:09,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:17:09,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:17:09,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:17:09,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:17:09,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:17:09,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:17:09,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:17:09,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:17:09,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:17:09,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:17:09,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:17:09,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:17:09,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:17:09,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:17:09,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:17:09,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:17:09,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:17:09,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:17:09,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:17:09,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:17:09,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:17:09,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:17:09,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:17:09,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:17:09,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:17:09,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:17:09,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:17:09,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:17:09,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:17:09,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:17:09,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:17:09,570 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:17:09,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:17:09,571 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:17:09,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:17:09,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:17:09,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:17:09,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:17:09,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:17:09,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:17:09,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:17:09,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:17:09,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:17:09,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:17:09,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:17:09,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:17:09,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:17:09,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:17:09,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:17:09,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:17:09,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:17:09,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:17:09,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:17:09,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:17:09,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:17:09,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:17:09,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:17:09,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:17:09,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:17:09,641 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:17:09,641 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:17:09,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-09-21 09:17:09,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb1b8054/a293b99115ef433c82c8698e0da10e7a/FLAGbfce70037 [2019-09-21 09:17:10,230 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:17:10,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-09-21 09:17:10,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb1b8054/a293b99115ef433c82c8698e0da10e7a/FLAGbfce70037 [2019-09-21 09:17:10,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb1b8054/a293b99115ef433c82c8698e0da10e7a [2019-09-21 09:17:10,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:17:10,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:17:10,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:17:10,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:17:10,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:17:10,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:17:10" (1/1) ... [2019-09-21 09:17:10,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbd2c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:10, skipping insertion in model container [2019-09-21 09:17:10,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:17:10" (1/1) ... [2019-09-21 09:17:10,563 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:17:10,624 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:17:11,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:17:11,106 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:17:11,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:17:11,271 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:17:11,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11 WrapperNode [2019-09-21 09:17:11,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:17:11,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:17:11,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:17:11,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:17:11,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... [2019-09-21 09:17:11,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... [2019-09-21 09:17:11,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... [2019-09-21 09:17:11,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... [2019-09-21 09:17:11,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... [2019-09-21 09:17:11,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... [2019-09-21 09:17:11,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... [2019-09-21 09:17:11,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:17:11,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:17:11,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:17:11,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:17:11,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:17:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:17:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:17:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:17:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:17:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:17:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:17:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:17:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:17:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:17:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 09:17:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:17:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:17:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:17:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 09:17:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:17:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 09:17:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:17:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:17:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:17:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:17:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:17:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 09:17:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 09:17:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:17:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:17:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:17:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:17:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:17:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:17:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:17:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:17:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:17:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:17:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:17:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:17:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:17:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:17:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:17:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:17:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:17:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:17:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:17:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:17:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:17:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:17:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:17:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:17:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:17:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:17:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 09:17:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:17:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:17:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:17:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:17:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:17:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:17:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:17:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:17:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 09:17:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:17:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:17:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 09:17:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 09:17:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:17:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 09:17:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:17:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:17:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:17:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:17:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:17:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:17:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:17:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:17:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:17:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:17:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:17:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:17:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:17:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:17:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:17:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:17:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:17:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:17:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:17:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:17:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:17:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:17:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:17:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:17:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:17:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:17:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:17:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:17:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:17:12,943 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:17:12,943 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:17:12,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:17:12 BoogieIcfgContainer [2019-09-21 09:17:12,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:17:12,945 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:17:12,946 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:17:12,946 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:17:12,947 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:17:12" (1/1) ... [2019-09-21 09:17:12,947 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:17:12,974 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:17:12,974 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:17:12,984 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:17:12,993 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:17:12,994 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:17:22,707 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 09:17:24,266 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:17:24,454 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:17:24,515 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-21 09:17:24,559 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-21 09:17:24,564 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-21 09:17:26,587 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:17:26,590 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-21 09:17:26,623 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 100 for LOIs [2019-09-21 09:17:26,630 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 100 for LOIs [2019-09-21 09:17:26,642 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:17:26,642 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:17:26,644 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 406#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) [2019-09-21 09:17:26,657 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:17:26,657 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:17:26,660 INFO L168 Benchmark]: Toolchain (without parser) took 16109.49 ms. Allocated memory was 140.0 MB in the beginning and 362.8 MB in the end (delta: 222.8 MB). Free memory was 86.4 MB in the beginning and 273.8 MB in the end (delta: -187.5 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:26,660 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:17:26,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.59 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 164.3 MB in the end (delta: -78.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:26,662 INFO L168 Benchmark]: Boogie Preprocessor took 133.04 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:26,664 INFO L168 Benchmark]: RCFGBuilder took 1539.31 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.0 MB in the beginning and 144.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:26,665 INFO L168 Benchmark]: Sifa took 13712.22 ms. Allocated memory was 224.4 MB in the beginning and 362.8 MB in the end (delta: 138.4 MB). Free memory was 144.8 MB in the beginning and 273.8 MB in the end (delta: -129.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:26,669 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.59 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 164.3 MB in the end (delta: -78.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.04 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1539.31 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.0 MB in the beginning and 144.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. * Sifa took 13712.22 ms. Allocated memory was 224.4 MB in the beginning and 362.8 MB in the end (delta: 138.4 MB). Free memory was 144.8 MB in the beginning and 273.8 MB in the end (delta: -129.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 13670, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 258, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 172, TOOLS_POST_TIME[ms]: 11495, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 153, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_APPLICATIONS: 306, TOOLS_QUANTIFIERELIM_TIME[ms]: 11616, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11400, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 262, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 95, DOMAIN_JOIN_TIME[ms]: 1639, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME[ms]: 144, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1271, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1270, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11564, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11563, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 523, DAG_COMPRESSION_RETAINED_NODES: 218 - UnprovableResult [Line: 944]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 406#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...