java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:46,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:46,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:46,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:46,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:46,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:46,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:46,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:46,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:46,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:46,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:46,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:46,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:46,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:46,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:46,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:46,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:46,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:46,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:46,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:46,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:46,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:46,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:46,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:46,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:46,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:46,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:46,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:46,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:46,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:46,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:46,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:46,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:46,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:46,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:46,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:46,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:46,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:46,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:46,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:46,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:46,329 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 [2019-10-13 23:17:46,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:46,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:46,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:46,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:46,347 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:46,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:46,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:46,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:46,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:46,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:46,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:46,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:46,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:46,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:46,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:46,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:46,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:46,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:46,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:46,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:46,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:46,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:46,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:46,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:46,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:46,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:46,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:46,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:46,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:17:46,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:46,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:46,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:46,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:46,654 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:46,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c [2019-10-13 23:17:46,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aefa0e434/524714e0ca9e409eb1c3a0069dfaedc4/FLAGec0f04315 [2019-10-13 23:17:47,330 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:47,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c [2019-10-13 23:17:47,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aefa0e434/524714e0ca9e409eb1c3a0069dfaedc4/FLAGec0f04315 [2019-10-13 23:17:47,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aefa0e434/524714e0ca9e409eb1c3a0069dfaedc4 [2019-10-13 23:17:47,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:47,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:47,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:47,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:47,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:47,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:47" (1/1) ... [2019-10-13 23:17:47,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d3fd5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:47, skipping insertion in model container [2019-10-13 23:17:47,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:47" (1/1) ... [2019-10-13 23:17:47,692 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:47,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:48,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:48,232 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:48,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:48,391 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:48,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48 WrapperNode [2019-10-13 23:17:48,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:48,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:48,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:48,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:48,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:48,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:48,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:48,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:48,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (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 [2019-10-13 23:17:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:17:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:17:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:17:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:50,079 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:50,081 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:50,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:50 BoogieIcfgContainer [2019-10-13 23:17:50,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:50,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:50,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:50,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:50,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:47" (1/3) ... [2019-10-13 23:17:50,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41375144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:50, skipping insertion in model container [2019-10-13 23:17:50,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (2/3) ... [2019-10-13 23:17:50,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41375144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:50, skipping insertion in model container [2019-10-13 23:17:50,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:50" (3/3) ... [2019-10-13 23:17:50,092 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2019-10-13 23:17:50,105 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:50,119 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:50,133 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:50,175 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:50,176 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:50,176 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:50,176 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:50,176 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:50,176 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:50,176 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:50,177 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-13 23:17:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:50,216 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:50,217 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:50,220 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:50,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:50,227 INFO L82 PathProgramCache]: Analyzing trace with hash 362969810, now seen corresponding path program 1 times [2019-10-13 23:17:50,237 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:50,237 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360126147] [2019-10-13 23:17:50,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:50,609 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360126147] [2019-10-13 23:17:50,609 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:50,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:50,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327241983] [2019-10-13 23:17:50,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:50,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:50,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:50,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:50,636 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-13 23:17:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:50,671 INFO L93 Difference]: Finished difference Result 160 states and 195 transitions. [2019-10-13 23:17:50,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:50,673 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:50,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:50,683 INFO L225 Difference]: With dead ends: 160 [2019-10-13 23:17:50,683 INFO L226 Difference]: Without dead ends: 82 [2019-10-13 23:17:50,687 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:50,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-13 23:17:50,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-13 23:17:50,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-13 23:17:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-10-13 23:17:50,735 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 52 [2019-10-13 23:17:50,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:50,735 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-10-13 23:17:50,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-10-13 23:17:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:50,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:50,739 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:50,740 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:50,740 INFO L82 PathProgramCache]: Analyzing trace with hash 736204104, now seen corresponding path program 1 times [2019-10-13 23:17:50,740 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:50,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850777238] [2019-10-13 23:17:50,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,741 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:50,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850777238] [2019-10-13 23:17:50,905 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:50,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:50,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095892618] [2019-10-13 23:17:50,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:50,907 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:50,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:50,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:50,908 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-10-13 23:17:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:50,925 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2019-10-13 23:17:50,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:50,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:50,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:50,928 INFO L225 Difference]: With dead ends: 114 [2019-10-13 23:17:50,928 INFO L226 Difference]: Without dead ends: 74 [2019-10-13 23:17:50,929 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:50,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-13 23:17:50,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-13 23:17:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-13 23:17:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-10-13 23:17:50,941 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 53 [2019-10-13 23:17:50,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:50,942 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-10-13 23:17:50,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-10-13 23:17:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:17:50,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:50,945 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:50,945 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:50,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1757122942, now seen corresponding path program 1 times [2019-10-13 23:17:50,946 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:50,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635959716] [2019-10-13 23:17:50,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,947 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:51,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635959716] [2019-10-13 23:17:51,177 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:51,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:51,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475918763] [2019-10-13 23:17:51,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:51,178 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:51,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:51,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:51,179 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-10-13 23:17:51,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:51,456 INFO L93 Difference]: Finished difference Result 123 states and 140 transitions. [2019-10-13 23:17:51,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:51,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:17:51,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:51,460 INFO L225 Difference]: With dead ends: 123 [2019-10-13 23:17:51,460 INFO L226 Difference]: Without dead ends: 74 [2019-10-13 23:17:51,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:51,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-13 23:17:51,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-13 23:17:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-13 23:17:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-10-13 23:17:51,476 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 56 [2019-10-13 23:17:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:51,478 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-10-13 23:17:51,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-10-13 23:17:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 23:17:51,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:51,484 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:51,484 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:51,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:51,484 INFO L82 PathProgramCache]: Analyzing trace with hash 2024359561, now seen corresponding path program 1 times [2019-10-13 23:17:51,485 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:51,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245239944] [2019-10-13 23:17:51,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:51,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245239944] [2019-10-13 23:17:51,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:51,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:17:51,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353267826] [2019-10-13 23:17:51,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:17:51,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:51,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:17:51,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:17:51,593 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 8 states. [2019-10-13 23:17:52,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:52,308 INFO L93 Difference]: Finished difference Result 188 states and 222 transitions. [2019-10-13 23:17:52,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 23:17:52,308 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2019-10-13 23:17:52,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:52,309 INFO L225 Difference]: With dead ends: 188 [2019-10-13 23:17:52,309 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:52,311 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-10-13 23:17:52,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:52,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:52,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-13 23:17:52,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:52,313 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:52,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:17:52,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:52,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:52,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:52,795 INFO L443 ceAbstractionStarter]: For program point L314(lines 291 315) no Hoare annotation was computed. [2019-10-13 23:17:52,795 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 302) no Hoare annotation was computed. [2019-10-13 23:17:52,795 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 267 322) no Hoare annotation was computed. [2019-10-13 23:17:52,795 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 267 322) no Hoare annotation was computed. [2019-10-13 23:17:52,795 INFO L443 ceAbstractionStarter]: For program point L292-2(lines 292 313) no Hoare annotation was computed. [2019-10-13 23:17:52,795 INFO L443 ceAbstractionStarter]: For program point L349-2(lines 349 374) no Hoare annotation was computed. [2019-10-13 23:17:52,795 INFO L443 ceAbstractionStarter]: For program point L375(lines 348 376) no Hoare annotation was computed. [2019-10-13 23:17:52,796 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 323 382) no Hoare annotation was computed. [2019-10-13 23:17:52,796 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-10-13 23:17:52,796 INFO L443 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2019-10-13 23:17:52,796 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 323 382) no Hoare annotation was computed. [2019-10-13 23:17:52,796 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 323 382) no Hoare annotation was computed. [2019-10-13 23:17:52,796 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-10-13 23:17:52,797 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 23:17:52,797 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 23:17:52,797 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 23:17:52,797 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 23:17:52,797 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 167 174) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,797 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 167 174) no Hoare annotation was computed. [2019-10-13 23:17:52,798 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 175 184) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,798 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 175 184) no Hoare annotation was computed. [2019-10-13 23:17:52,798 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-13 23:17:52,798 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 210) no Hoare annotation was computed. [2019-10-13 23:17:52,798 INFO L443 ceAbstractionStarter]: For program point L193-1(lines 185 213) no Hoare annotation was computed. [2019-10-13 23:17:52,798 INFO L446 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: true [2019-10-13 23:17:52,798 INFO L443 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2019-10-13 23:17:52,799 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 185 213) the Hoare annotation is: true [2019-10-13 23:17:52,799 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 185 213) no Hoare annotation was computed. [2019-10-13 23:17:52,799 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2019-10-13 23:17:52,799 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 204) no Hoare annotation was computed. [2019-10-13 23:17:52,799 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 207) no Hoare annotation was computed. [2019-10-13 23:17:52,799 INFO L446 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: true [2019-10-13 23:17:52,800 INFO L443 ceAbstractionStarter]: For program point L195-1(line 195) no Hoare annotation was computed. [2019-10-13 23:17:52,800 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 872 894) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,800 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 872 894) no Hoare annotation was computed. [2019-10-13 23:17:52,800 INFO L439 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= main_~tmp~6 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,800 INFO L439 ceAbstractionStarter]: At program point L884-1(line 884) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0) (= main_~tmp~6 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,800 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 889) no Hoare annotation was computed. [2019-10-13 23:17:52,801 INFO L443 ceAbstractionStarter]: For program point L882-1(lines 882 889) no Hoare annotation was computed. [2019-10-13 23:17:52,801 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-13 23:17:52,801 INFO L439 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,801 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,801 INFO L439 ceAbstractionStarter]: At program point L878-1(line 878) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,801 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 830 853) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 830 853) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 830 853) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-13 23:17:52,802 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-13 23:17:52,803 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 691 698) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 691 698) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2019-10-13 23:17:52,804 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 23:17:52,804 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 23:17:52,805 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 221 266) no Hoare annotation was computed. [2019-10-13 23:17:52,805 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 221 266) no Hoare annotation was computed. [2019-10-13 23:17:52,805 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 534 579) no Hoare annotation was computed. [2019-10-13 23:17:52,805 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 534 579) no Hoare annotation was computed. [2019-10-13 23:17:52,805 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 861 871) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,805 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 861 871) no Hoare annotation was computed. [2019-10-13 23:17:52,805 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 861 871) no Hoare annotation was computed. [2019-10-13 23:17:52,806 INFO L439 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,806 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 725 735) no Hoare annotation was computed. [2019-10-13 23:17:52,806 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2019-10-13 23:17:52,806 INFO L443 ceAbstractionStarter]: For program point L730(line 730) no Hoare annotation was computed. [2019-10-13 23:17:52,806 INFO L443 ceAbstractionStarter]: For program point L730-1(line 730) no Hoare annotation was computed. [2019-10-13 23:17:52,806 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 717 724) no Hoare annotation was computed. [2019-10-13 23:17:52,806 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2019-10-13 23:17:52,806 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 684 690) no Hoare annotation was computed. [2019-10-13 23:17:52,807 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 684 690) the Hoare annotation is: true [2019-10-13 23:17:52,807 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 584 649) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,807 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 584 649) no Hoare annotation was computed. [2019-10-13 23:17:52,807 INFO L439 ceAbstractionStarter]: At program point L632-2(lines 624 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,807 INFO L443 ceAbstractionStarter]: For program point L595(lines 594 641) no Hoare annotation was computed. [2019-10-13 23:17:52,807 INFO L439 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,807 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 637) no Hoare annotation was computed. [2019-10-13 23:17:52,807 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,808 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2019-10-13 23:17:52,808 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2019-10-13 23:17:52,808 INFO L439 ceAbstractionStarter]: At program point L639(lines 594 641) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,808 INFO L439 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,808 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 610) no Hoare annotation was computed. [2019-10-13 23:17:52,808 INFO L443 ceAbstractionStarter]: For program point L604-1(lines 604 610) no Hoare annotation was computed. [2019-10-13 23:17:52,808 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 584 649) no Hoare annotation was computed. [2019-10-13 23:17:52,808 INFO L439 ceAbstractionStarter]: At program point L642(lines 593 643) the Hoare annotation is: (not (= |old(~systemActive~0)| 1)) [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 488 533) no Hoare annotation was computed. [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 488 533) no Hoare annotation was computed. [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-13 23:17:52,809 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 385 487) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point L434-2(lines 434 454) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point L455(lines 433 456) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 385 487) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 430) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point L435(lines 434 454) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 385 487) no Hoare annotation was computed. [2019-10-13 23:17:52,810 INFO L443 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2019-10-13 23:17:52,811 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 472) no Hoare annotation was computed. [2019-10-13 23:17:52,811 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-13 23:17:52,811 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:52,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,811 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-13 23:17:52,811 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-13 23:17:52,811 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2019-10-13 23:17:52,812 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2019-10-13 23:17:52,812 INFO L443 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2019-10-13 23:17:52,812 INFO L443 ceAbstractionStarter]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2019-10-13 23:17:52,812 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 713) no Hoare annotation was computed. [2019-10-13 23:17:52,812 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2019-10-13 23:17:52,812 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-13 23:17:52,812 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2019-10-13 23:17:52,813 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2019-10-13 23:17:52,813 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,813 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,813 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 122 130) no Hoare annotation was computed. [2019-10-13 23:17:52,813 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2019-10-13 23:17:52,813 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:52,813 INFO L439 ceAbstractionStarter]: At program point L671(lines 671 677) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1))) [2019-10-13 23:17:52,814 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~switchedOnBeforeTS~0 0))) (not (= ~systemActive~0 1))) [2019-10-13 23:17:52,814 INFO L443 ceAbstractionStarter]: For program point L664(lines 660 682) no Hoare annotation was computed. [2019-10-13 23:17:52,814 INFO L443 ceAbstractionStarter]: For program point L662(lines 660 682) no Hoare annotation was computed. [2019-10-13 23:17:52,814 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 657 683) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) [2019-10-13 23:17:52,814 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 657 683) no Hoare annotation was computed. [2019-10-13 23:17:52,814 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 657 683) no Hoare annotation was computed. [2019-10-13 23:17:52,814 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 800 829) no Hoare annotation was computed. [2019-10-13 23:17:52,815 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 800 829) the Hoare annotation is: true [2019-10-13 23:17:52,815 INFO L446 ceAbstractionStarter]: At program point L825(lines 800 829) the Hoare annotation is: true [2019-10-13 23:17:52,815 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-13 23:17:52,815 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2019-10-13 23:17:52,815 INFO L446 ceAbstractionStarter]: At program point L814-1(lines 814 818) the Hoare annotation is: true [2019-10-13 23:17:52,815 INFO L446 ceAbstractionStarter]: At program point L810-2(lines 810 824) the Hoare annotation is: true [2019-10-13 23:17:52,815 INFO L446 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2019-10-13 23:17:52,815 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-13 23:17:52,816 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2019-10-13 23:17:52,816 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2019-10-13 23:17:52,816 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 854 860) no Hoare annotation was computed. [2019-10-13 23:17:52,816 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 854 860) the Hoare annotation is: true [2019-10-13 23:17:52,816 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,816 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~systemActive~0)) [2019-10-13 23:17:52,816 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:52,816 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,816 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-10-13 23:17:52,817 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,817 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2019-10-13 23:17:52,817 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2019-10-13 23:17:52,817 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 794) no Hoare annotation was computed. [2019-10-13 23:17:52,817 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 790 797) the Hoare annotation is: true [2019-10-13 23:17:52,817 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 790 797) no Hoare annotation was computed. [2019-10-13 23:17:52,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:52 BoogieIcfgContainer [2019-10-13 23:17:52,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:52,833 INFO L168 Benchmark]: Toolchain (without parser) took 5157.51 ms. Allocated memory was 139.5 MB in the beginning and 245.4 MB in the end (delta: 105.9 MB). Free memory was 101.4 MB in the beginning and 149.5 MB in the end (delta: -48.1 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,834 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.06 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 171.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,836 INFO L168 Benchmark]: Boogie Preprocessor took 129.91 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 167.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,837 INFO L168 Benchmark]: RCFGBuilder took 1559.90 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 151.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,838 INFO L168 Benchmark]: TraceAbstraction took 2746.98 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 151.7 MB in the beginning and 149.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.06 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 171.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.91 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 167.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1559.90 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 151.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2746.98 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 151.7 MB in the beginning and 149.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 794]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == splverifierCounter) || !(\old(systemActive) == 1) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 169 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 406 SDtfs, 167 SDslu, 625 SDs, 0 SdLazy, 447 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 156 PreInvPairs, 180 NumberOfFragments, 312 HoareAnnotationTreeSize, 156 FomulaSimplifications, 173 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 682 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 17446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...