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 ExplicitValueDomain --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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:50,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:50,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:50,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:50,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:50,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:50,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:50,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:50,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:50,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:50,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:50,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:50,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:50,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:50,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:50,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:50,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:50,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:50,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:50,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:50,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:50,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:50,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:50,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:50,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:50,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:50,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:50,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:50,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:50,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:50,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:50,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:50,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:50,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:50,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:50,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:50,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:50,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:50,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:50,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:50,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:50,585 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 [2019-09-20 15:52:50,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:50,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:50,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:50,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:50,607 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:50,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:50,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:50,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:50,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:50,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:50,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:50,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:50,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:50,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:50,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:50,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:50,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:50,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:50,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:50,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:50,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:50,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:50,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:50,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:50,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:50,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:50,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:50,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:50,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 [2019-09-20 15:52:50,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:50,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:50,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:50,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:50,693 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:50,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-20 15:52:50,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4960ab77e/527ac61e24b64759a10028b8d790644f/FLAG2e63e51ac [2019-09-20 15:52:51,271 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:52:51,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-20 15:52:51,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4960ab77e/527ac61e24b64759a10028b8d790644f/FLAG2e63e51ac [2019-09-20 15:52:51,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4960ab77e/527ac61e24b64759a10028b8d790644f [2019-09-20 15:52:51,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:52:51,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:52:51,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:51,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:52:51,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:52:51,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:51" (1/1) ... [2019-09-20 15:52:51,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc1d1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:51, skipping insertion in model container [2019-09-20 15:52:51,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:52:51" (1/1) ... [2019-09-20 15:52:51,615 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:52:51,656 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:52:52,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:52,056 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:52:52,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:52:52,199 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:52:52,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52 WrapperNode [2019-09-20 15:52:52,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:52:52,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:52:52,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:52:52,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:52:52,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (1/1) ... [2019-09-20 15:52:52,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (1/1) ... [2019-09-20 15:52:52,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (1/1) ... [2019-09-20 15:52:52,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (1/1) ... [2019-09-20 15:52:52,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (1/1) ... [2019-09-20 15:52:52,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (1/1) ... [2019-09-20 15:52:52,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (1/1) ... [2019-09-20 15:52:52,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:52:52,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:52:52,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:52:52,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:52:52,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:52:52" (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 [2019-09-20 15:52:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:52:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:52:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:52:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:52:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:52:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:52:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:52:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:52:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:52:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:52:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:52:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:52:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:52:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:52:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:52:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:52:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:52:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:52:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:52:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:52:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:52:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:52:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:52:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:52:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:52:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:52:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:52:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:52:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:52:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:52:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:52:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:52:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:52:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:52:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:52:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:52:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:52:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:52:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:52:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:52:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:52:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:52:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:52:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:52:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:52:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:52:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:52:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:52:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:52:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:52:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:52:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:52:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:52:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:52:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:52:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:52:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:52:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:52:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:52:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:52:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:52:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:52:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:52:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:52:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:52:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:52:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:52:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:52:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:52:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:52:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:52:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:52:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:52:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:52:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:52:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:52:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:52:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:52:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:52:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:52:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:52:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:52:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:52:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:52:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:52:52,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:52:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:52:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:52:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:52:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:52:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:52:54,044 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:52:54,044 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:52:54,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:54 BoogieIcfgContainer [2019-09-20 15:52:54,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:52:54,047 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:52:54,047 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:52:54,047 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:52:54,049 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:52:54" (1/1) ... [2019-09-20 15:52:54,049 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-20 15:52:54,087 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:52:54,087 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:52:54,102 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:52:54,114 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:52:54,116 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:53:04,713 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:53:06,615 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:53:06,786 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:06,916 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:07,048 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:07,074 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:53:07,131 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:53:07,137 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:53:07,309 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:53:07,427 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-20 15:53:07,793 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:08,099 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:08,376 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:08,584 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-20 15:53:08,994 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:09,349 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:10,109 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:53:10,684 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:53:11,258 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:53:11,892 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 532 [2019-09-20 15:53:12,111 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:53:12,214 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-20 15:53:12,864 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:13,171 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-20 15:53:13,810 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:53:14,366 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:53:14,916 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:53:15,243 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 532 [2019-09-20 15:53:15,296 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 30 for LOIs [2019-09-20 15:53:15,365 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:53:15,377 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 17 for LOIs [2019-09-20 15:53:15,380 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-20 15:53:15,384 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:53:15,384 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:53:15,395 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 593#(and (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:53:15,408 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:53:15,409 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:53:15,411 INFO L168 Benchmark]: Toolchain (without parser) took 23811.63 ms. Allocated memory was 135.3 MB in the beginning and 655.9 MB in the end (delta: 520.6 MB). Free memory was 90.2 MB in the beginning and 90.2 MB in the end (delta: -62.1 kB). Peak memory consumption was 520.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:15,412 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:53:15,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.22 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 90.0 MB in the beginning and 165.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:15,419 INFO L168 Benchmark]: Boogie Preprocessor took 92.49 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:15,420 INFO L168 Benchmark]: RCFGBuilder took 1753.47 ms. Allocated memory was 199.2 MB in the beginning and 228.1 MB in the end (delta: 28.8 MB). Free memory was 161.5 MB in the beginning and 143.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:15,422 INFO L168 Benchmark]: Sifa took 21361.83 ms. Allocated memory was 228.1 MB in the beginning and 655.9 MB in the end (delta: 427.8 MB). Free memory was 143.2 MB in the beginning and 90.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 480.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:15,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 600.22 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 90.0 MB in the beginning and 165.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.49 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1753.47 ms. Allocated memory was 199.2 MB in the beginning and 228.1 MB in the end (delta: 28.8 MB). Free memory was 161.5 MB in the beginning and 143.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * Sifa took 21361.83 ms. Allocated memory was 228.1 MB in the beginning and 655.9 MB in the end (delta: 427.8 MB). Free memory was 143.2 MB in the beginning and 90.2 MB in the end (delta: 52.9 MB). Peak memory consumption was 480.8 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]: 21308, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 272, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 177, TOOLS_POST_TIME[ms]: 12689, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME[ms]: 180, TOOLS_POST_RETURN_APPLICATIONS: 68, TOOLS_POST_RETURN_TIME[ms]: 113, TOOLS_QUANTIFIERELIM_APPLICATIONS: 322, TOOLS_QUANTIFIERELIM_TIME[ms]: 12866, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12582, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 279, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 91, DOMAIN_JOIN_TIME[ms]: 7190, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 8, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 703, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 194, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4777, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4776, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 68, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13058, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13057, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 430, DAG_COMPRESSION_RETAINED_NODES: 232 - UnprovableResult [Line: 602]: 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 593#(and (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...