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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:23:53,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:23:53,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:23:53,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:23:53,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:23:53,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:23:53,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:23:53,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:23:53,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:23:53,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:23:53,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:23:53,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:23:53,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:23:53,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:23:53,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:23:53,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:23:53,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:23:53,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:23:53,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:23:53,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:23:53,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:23:53,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:23:53,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:23:53,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:23:53,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:23:53,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:23:53,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:23:53,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:23:53,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:23:53,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:23:53,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:23:53,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:23:53,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:23:53,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:23:53,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:23:53,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:23:53,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:23:53,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:23:53,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:23:53,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:23:53,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:23:53,444 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 [2019-09-17 10:23:53,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:23:53,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:23:53,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:23:53,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:23:53,464 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:23:53,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:23:53,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:23:53,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:23:53,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:23:53,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:23:53,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:23:53,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:23:53,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:23:53,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:23:53,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:23:53,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:23:53,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:23:53,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:23:53,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:23:53,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:23:53,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:23:53,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:23:53,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:23:53,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:23:53,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:23:53,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:23:53,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:23:53,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:23:53,470 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_DDA [2019-09-17 10:23:53,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:23:53,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:23:53,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:23:53,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:23:53,549 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:23:53,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c [2019-09-17 10:23:53,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d00752da/f11b41d4504746c4957c80da06cb625d/FLAGb314a4b00 [2019-09-17 10:23:54,155 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:23:54,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c [2019-09-17 10:23:54,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d00752da/f11b41d4504746c4957c80da06cb625d/FLAGb314a4b00 [2019-09-17 10:23:54,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d00752da/f11b41d4504746c4957c80da06cb625d [2019-09-17 10:23:54,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:23:54,468 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:23:54,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:23:54,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:23:54,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:23:54,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:23:54" (1/1) ... [2019-09-17 10:23:54,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:54, skipping insertion in model container [2019-09-17 10:23:54,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:23:54" (1/1) ... [2019-09-17 10:23:54,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:23:54,545 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:23:54,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:23:54,985 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:23:55,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:23:55,140 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:23:55,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55 WrapperNode [2019-09-17 10:23:55,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:23:55,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:23:55,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:23:55,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:23:55,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (1/1) ... [2019-09-17 10:23:55,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (1/1) ... [2019-09-17 10:23:55,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (1/1) ... [2019-09-17 10:23:55,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (1/1) ... [2019-09-17 10:23:55,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (1/1) ... [2019-09-17 10:23:55,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (1/1) ... [2019-09-17 10:23:55,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (1/1) ... [2019-09-17 10:23:55,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:23:55,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:23:55,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:23:55,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:23:55,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:55" (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 [2019-09-17 10:23:55,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:23:55,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:23:55,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:23:55,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:23:55,286 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:23:55,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:23:55,287 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:23:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:23:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:23:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:23:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:23:55,289 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:23:55,289 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:23:55,289 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:23:55,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:23:55,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:23:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:23:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:23:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:23:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:23:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:23:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:23:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:23:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 10:23:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:23:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:23:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:23:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:23:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:23:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:23:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:23:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:23:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:23:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 10:23:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:23:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:23:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:23:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:23:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:23:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:23:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:23:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:23:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:23:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:23:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:23:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:23:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:23:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:23:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:23:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:23:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:23:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:23:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:23:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:23:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:23:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:23:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:23:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:23:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:23:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:23:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:23:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:23:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:23:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:23:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:23:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:23:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:23:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:23:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:23:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:23:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:23:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 10:23:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:23:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:23:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:23:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:23:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:23:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:23:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:23:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 10:23:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:23:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:23:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:23:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:23:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:23:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:23:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:23:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:23:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:23:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:23:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:23:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:23:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:23:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:23:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:23:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:23:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:23:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:23:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:23:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:23:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:23:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:23:56,800 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:23:56,801 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:23:56,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:23:56 BoogieIcfgContainer [2019-09-17 10:23:56,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:23:56,804 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:23:56,804 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:23:56,804 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:23:56,805 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:23:56" (1/1) ... [2019-09-17 10:23:56,806 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 10:23:56,840 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:23:56,840 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:23:56,857 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:23:56,869 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:23:56,870 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:24:20,783 WARN L191 SmtUtils]: Spent 14.49 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 10:24:22,496 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:24:26,300 WARN L191 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 10:24:26,643 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 10:24:26,663 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 119 for LOIs [2019-09-17 10:24:26,732 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 119 for LOIs [2019-09-17 10:24:26,748 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 119 for LOIs [2019-09-17 10:24:27,834 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:24:28,889 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:24:29,967 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:24:30,997 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:24:31,406 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:24:33,035 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:24:34,160 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:24:34,524 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:34,891 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:35,932 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:24:36,297 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:36,651 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:24:37,722 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:24:38,778 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:24:39,136 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:39,483 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:40,503 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-17 10:24:40,843 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:41,196 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:24:42,309 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:24:43,359 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:24:43,730 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:44,077 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:44,460 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:24:45,540 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:24:46,629 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:24:46,996 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:47,361 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:48,401 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:24:48,779 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:49,123 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:24:50,235 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:24:51,300 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:24:51,656 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:51,996 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:53,074 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-17 10:24:53,466 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:24:53,813 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:24:54,183 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:24:55,282 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:24:56,356 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:24:56,728 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:57,104 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:58,168 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:24:58,529 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:58,847 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:24:59,890 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:25:00,892 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:25:01,237 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:25:01,577 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:25:02,666 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-17 10:25:03,011 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:25:03,336 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:25:04,315 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:25:04,659 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:25:05,716 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:25:06,739 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 10:25:07,101 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:25:07,446 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:25:08,459 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:25:08,809 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:25:09,131 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:25:10,144 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:25:11,139 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-17 10:25:11,470 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:25:11,800 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:25:12,788 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-17 10:25:13,131 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 10:25:13,442 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:25:13,769 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:25:13,771 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:25:13,774 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 108 for LOIs [2019-09-17 10:25:14,423 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2019-09-17 10:25:15,060 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-09-17 10:25:15,709 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-17 10:25:15,712 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 102 for LOIs [2019-09-17 10:25:15,719 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 102 for LOIs [2019-09-17 10:25:15,930 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:25:15,931 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:25:15,931 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:25:15,933 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 599#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= |#t~string73.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string73.offset|) (<= 0 |#t~string4.offset|) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string25.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)) [2019-09-17 10:25:15,944 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:25:15,944 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:25:15,946 INFO L168 Benchmark]: Toolchain (without parser) took 81478.20 ms. Allocated memory was 131.6 MB in the beginning and 605.0 MB in the end (delta: 473.4 MB). Free memory was 85.1 MB in the beginning and 381.9 MB in the end (delta: -296.8 MB). Peak memory consumption was 176.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,947 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.50 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 161.8 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,948 INFO L168 Benchmark]: Boogie Preprocessor took 85.84 ms. Allocated memory is still 198.7 MB. Free memory was 161.8 MB in the beginning and 157.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,949 INFO L168 Benchmark]: RCFGBuilder took 1574.98 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 157.2 MB in the beginning and 137.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,950 INFO L168 Benchmark]: Sifa took 79140.80 ms. Allocated memory was 220.2 MB in the beginning and 605.0 MB in the end (delta: 384.8 MB). Free memory was 137.2 MB in the beginning and 381.9 MB in the end (delta: -244.7 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,954 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 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.50 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 161.8 MB in the end (delta: -76.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.84 ms. Allocated memory is still 198.7 MB. Free memory was 161.8 MB in the beginning and 157.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1574.98 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 157.2 MB in the beginning and 137.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * Sifa took 79140.80 ms. Allocated memory was 220.2 MB in the beginning and 605.0 MB in the end (delta: 384.8 MB). Free memory was 137.2 MB in the beginning and 381.9 MB in the end (delta: -244.7 MB). Peak memory consumption was 140.1 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]: 79093, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 387, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 263, TOOLS_POST_TIME[ms]: 29466, TOOLS_POST_CALL_APPLICATIONS: 106, TOOLS_POST_CALL_TIME[ms]: 213, TOOLS_POST_RETURN_APPLICATIONS: 99, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 467, TOOLS_QUANTIFIERELIM_TIME[ms]: 29630, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29351, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 395, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 125, DOMAIN_JOIN_TIME[ms]: 48728, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 85, DOMAIN_ISBOTTOM_TIME[ms]: 343, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 37252, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 37252, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 99, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30219, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30218, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 555, DAG_COMPRESSION_RETAINED_NODES: 276 - UnprovableResult [Line: 150]: 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 599#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= |#t~string73.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string73.offset|) (<= 0 |#t~string4.offset|) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string25.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...