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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:34:21,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:34:21,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:34:21,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:34:21,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:34:21,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:34:21,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:34:21,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:34:21,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:34:21,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:34:21,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:34:21,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:34:21,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:34:21,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:34:21,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:34:21,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:34:21,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:34:21,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:34:21,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:34:21,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:34:21,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:34:21,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:34:21,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:34:21,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:34:21,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:34:21,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:34:21,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:34:21,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:34:21,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:34:21,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:34:21,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:34:21,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:34:21,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:34:21,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:34:21,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:34:21,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:34:21,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:34:21,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:34:21,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:34:21,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:34:21,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:34:21,571 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 22:34:21,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:34:21,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:34:21,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:34:21,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:34:21,601 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:34:21,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:34:21,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:34:21,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:34:21,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:34:21,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:34:21,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:34:21,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:34:21,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:34:21,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:34:21,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:34:21,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:34:21,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:34:21,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:34:21,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:34:21,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:34:21,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:34:21,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:34:21,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:34:21,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:34:21,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:34:21,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:34:21,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:34:21,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:34:21,606 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:34:21,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:34:21,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:34:21,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:34:21,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:34:21,657 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:34:21,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-09-20 22:34:21,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc5e0563/03384d6b2fd341d5bb9b901b35968200/FLAGc1d9c9595 [2019-09-20 22:34:22,305 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:34:22,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2019-09-20 22:34:22,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc5e0563/03384d6b2fd341d5bb9b901b35968200/FLAGc1d9c9595 [2019-09-20 22:34:22,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc5e0563/03384d6b2fd341d5bb9b901b35968200 [2019-09-20 22:34:22,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:34:22,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:34:22,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:34:22,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:34:22,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:34:22,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:34:22" (1/1) ... [2019-09-20 22:34:22,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8c83ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:22, skipping insertion in model container [2019-09-20 22:34:22,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:34:22" (1/1) ... [2019-09-20 22:34:22,597 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:34:22,652 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:34:23,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:34:23,085 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:34:23,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:34:23,229 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:34:23,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23 WrapperNode [2019-09-20 22:34:23,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:34:23,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:34:23,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:34:23,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:34:23,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (1/1) ... [2019-09-20 22:34:23,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (1/1) ... [2019-09-20 22:34:23,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (1/1) ... [2019-09-20 22:34:23,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (1/1) ... [2019-09-20 22:34:23,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (1/1) ... [2019-09-20 22:34:23,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (1/1) ... [2019-09-20 22:34:23,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (1/1) ... [2019-09-20 22:34:23,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:34:23,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:34:23,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:34:23,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:34:23,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:34:23" (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 22:34:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:34:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:34:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:34:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:34:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:34:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:34:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:34:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:34:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:34:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:34:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:34:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:34:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:34:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:34:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:34:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 22:34:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:34:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:34:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:34:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:34:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:34:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:34:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:34:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 22:34:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:34:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:34:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:34:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:34:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:34:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:34:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:34:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:34:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:34:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:34:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:34:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:34:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:34:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:34:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:34:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:34:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:34:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:34:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:34:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:34:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:34:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:34:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:34:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:34:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:34:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:34:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:34:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 22:34:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 22:34:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:34:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:34:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:34:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:34:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:34:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:34:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:34:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:34:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:34:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:34:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:34:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:34:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:34:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:34:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:34:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:34:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:34:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:34:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:34:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:34:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:34:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:34:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:34:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:34:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:34:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:34:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:34:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:34:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:34:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:34:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:34:24,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:34:24,926 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:34:24,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:34:24 BoogieIcfgContainer [2019-09-20 22:34:24,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:34:24,928 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:34:24,928 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:34:24,929 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:34:24,930 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:34:24" (1/1) ... [2019-09-20 22:34:24,931 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:34:24,953 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:34:24,954 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:34:24,963 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:34:24,972 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:34:24,974 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:34:44,095 WARN L191 SmtUtils]: Spent 11.65 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 22:34:45,948 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:34:49,928 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 22:34:51,763 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-20 22:34:53,570 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-20 22:34:53,590 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-20 22:34:53,622 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 10 for LOIs [2019-09-20 22:34:53,626 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 10 for LOIs [2019-09-20 22:34:54,465 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-20 22:34:54,513 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-20 22:34:54,538 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 22:34:54,551 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-20 22:34:54,553 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:34:54,553 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:34:54,556 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 454#true [2019-09-20 22:34:54,572 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:34:54,572 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:34:54,575 INFO L168 Benchmark]: Toolchain (without parser) took 31991.83 ms. Allocated memory was 135.8 MB in the beginning and 410.5 MB in the end (delta: 274.7 MB). Free memory was 91.5 MB in the beginning and 286.6 MB in the end (delta: -195.1 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:34:54,576 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 22:34:54,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.56 ms. Allocated memory was 135.8 MB in the beginning and 202.4 MB in the end (delta: 66.6 MB). Free memory was 91.3 MB in the beginning and 169.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:34:54,580 INFO L168 Benchmark]: Boogie Preprocessor took 97.42 ms. Allocated memory is still 202.4 MB. Free memory was 169.1 MB in the beginning and 164.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:34:54,588 INFO L168 Benchmark]: RCFGBuilder took 1598.56 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 164.9 MB in the beginning and 156.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:34:54,590 INFO L168 Benchmark]: Sifa took 29643.84 ms. Allocated memory was 232.3 MB in the beginning and 410.5 MB in the end (delta: 178.3 MB). Free memory was 156.6 MB in the beginning and 286.6 MB in the end (delta: -130.0 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:34:54,600 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 135.8 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.56 ms. Allocated memory was 135.8 MB in the beginning and 202.4 MB in the end (delta: 66.6 MB). Free memory was 91.3 MB in the beginning and 169.1 MB in the end (delta: -77.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.42 ms. Allocated memory is still 202.4 MB. Free memory was 169.1 MB in the beginning and 164.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1598.56 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 164.9 MB in the beginning and 156.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * Sifa took 29643.84 ms. Allocated memory was 232.3 MB in the beginning and 410.5 MB in the end (delta: 178.3 MB). Free memory was 156.6 MB in the beginning and 286.6 MB in the end (delta: -130.0 MB). Peak memory consumption was 48.2 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]: 29602, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 150, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 102, TOOLS_POST_TIME[ms]: 24898, TOOLS_POST_CALL_APPLICATIONS: 41, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 17, TOOLS_QUANTIFIERELIM_APPLICATIONS: 175, TOOLS_QUANTIFIERELIM_TIME[ms]: 24919, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24871, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 153, FLUID_YES_ANSWERS: 153, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 4303, DOMAIN_ALPHA_APPLICATIONS: 153, DOMAIN_ALPHA_TIME[ms]: 184, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 36, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 736, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 735, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 32, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28647, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28645, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 398, DAG_COMPRESSION_RETAINED_NODES: 162 - UnprovableResult [Line: 44]: 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 454#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...