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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:38,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:38,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:38,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:38,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:38,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:38,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:38,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:38,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:38,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:38,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:38,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:38,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:38,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:38,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:38,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:38,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:38,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:38,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:38,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:38,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:38,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:38,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:38,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:38,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:38,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:38,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:38,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:38,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:38,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:38,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:38,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:38,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:38,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:38,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:38,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:38,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:38,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:38,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:38,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:38,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:38,417 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 [2019-10-07 15:20:38,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:38,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:38,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:38,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:38,454 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:38,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:38,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:38,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:38,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:38,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:38,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:38,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:38,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:38,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:38,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:38,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:38,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:38,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:38,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:38,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:38,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:38,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:38,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:38,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:38,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:38,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:38,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:38,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:38,462 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 [2019-10-07 15:20:38,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:38,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:38,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:38,781 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:38,781 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:38,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2019-10-07 15:20:38,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f968ef55/20b46bbd2c8e4c88ae3c88b916502aab/FLAGa9e0c1eff [2019-10-07 15:20:39,358 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:39,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2019-10-07 15:20:39,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f968ef55/20b46bbd2c8e4c88ae3c88b916502aab/FLAGa9e0c1eff [2019-10-07 15:20:39,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f968ef55/20b46bbd2c8e4c88ae3c88b916502aab [2019-10-07 15:20:39,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:39,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:39,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:39,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:39,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:39,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f84d9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:39, skipping insertion in model container [2019-10-07 15:20:39,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:39" (1/1) ... [2019-10-07 15:20:39,697 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:39,767 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:40,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:40,302 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:40,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:40,469 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:40,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40 WrapperNode [2019-10-07 15:20:40,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:40,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:40,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:40,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:40,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (1/1) ... [2019-10-07 15:20:40,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (1/1) ... [2019-10-07 15:20:40,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (1/1) ... [2019-10-07 15:20:40,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (1/1) ... [2019-10-07 15:20:40,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (1/1) ... [2019-10-07 15:20:40,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (1/1) ... [2019-10-07 15:20:40,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (1/1) ... [2019-10-07 15:20:40,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:40,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:40,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:40,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:40,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (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 [2019-10-07 15:20:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:20:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:20:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:20:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:20:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:42,345 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:42,345 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:42,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:42 BoogieIcfgContainer [2019-10-07 15:20:42,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:42,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:42,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:42,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:42,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:39" (1/3) ... [2019-10-07 15:20:42,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac042fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:42, skipping insertion in model container [2019-10-07 15:20:42,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:40" (2/3) ... [2019-10-07 15:20:42,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac042fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:42, skipping insertion in model container [2019-10-07 15:20:42,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:42" (3/3) ... [2019-10-07 15:20:42,356 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2019-10-07 15:20:42,367 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:42,376 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:42,389 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:42,418 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:42,418 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:42,419 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:42,419 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:42,419 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:42,419 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:42,419 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:42,419 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-10-07 15:20:42,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:42,453 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:42,454 INFO L385 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] [2019-10-07 15:20:42,456 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:42,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:42,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1668158367, now seen corresponding path program 1 times [2019-10-07 15:20:42,472 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:42,472 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:42,473 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:42,473 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:42,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:42,852 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:42,852 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:42,853 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:42,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:42,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:42,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:42,875 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-10-07 15:20:42,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:42,917 INFO L93 Difference]: Finished difference Result 202 states and 249 transitions. [2019-10-07 15:20:42,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:42,918 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:42,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:42,932 INFO L225 Difference]: With dead ends: 202 [2019-10-07 15:20:42,932 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:20:42,937 INFO L606 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 [2019-10-07 15:20:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:20:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:20:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:20:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2019-10-07 15:20:42,992 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 52 [2019-10-07 15:20:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:42,992 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2019-10-07 15:20:42,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2019-10-07 15:20:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:42,996 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:42,997 INFO L385 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] [2019-10-07 15:20:42,997 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:42,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:42,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1943922852, now seen corresponding path program 1 times [2019-10-07 15:20:42,998 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:42,998 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:42,998 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:42,998 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:43,158 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:43,158 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:43,158 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:43,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:43,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:43,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:43,161 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2019-10-07 15:20:43,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:43,183 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2019-10-07 15:20:43,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:43,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:43,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:43,186 INFO L225 Difference]: With dead ends: 153 [2019-10-07 15:20:43,187 INFO L226 Difference]: Without dead ends: 95 [2019-10-07 15:20:43,188 INFO L606 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 [2019-10-07 15:20:43,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-07 15:20:43,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-07 15:20:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-07 15:20:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-10-07 15:20:43,204 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 53 [2019-10-07 15:20:43,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:43,204 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-10-07 15:20:43,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-10-07 15:20:43,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:43,207 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:43,208 INFO L385 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] [2019-10-07 15:20:43,208 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:43,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:43,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1448288090, now seen corresponding path program 1 times [2019-10-07 15:20:43,209 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:43,209 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:43,209 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:43,209 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:43,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:43,454 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:43,454 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:43,454 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:43,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:43,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:43,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:43,456 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2019-10-07 15:20:43,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:43,919 INFO L93 Difference]: Finished difference Result 284 states and 341 transitions. [2019-10-07 15:20:43,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:43,919 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:43,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:43,927 INFO L225 Difference]: With dead ends: 284 [2019-10-07 15:20:43,929 INFO L226 Difference]: Without dead ends: 214 [2019-10-07 15:20:43,931 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-10-07 15:20:44,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 206. [2019-10-07 15:20:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-10-07 15:20:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 247 transitions. [2019-10-07 15:20:44,015 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 247 transitions. Word has length 56 [2019-10-07 15:20:44,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:44,016 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 247 transitions. [2019-10-07 15:20:44,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 247 transitions. [2019-10-07 15:20:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:20:44,022 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:44,024 INFO L385 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, 1, 1] [2019-10-07 15:20:44,025 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:44,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:44,025 INFO L82 PathProgramCache]: Analyzing trace with hash 482847142, now seen corresponding path program 1 times [2019-10-07 15:20:44,026 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:44,026 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:44,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:44,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:44,200 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:44,200 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:44,200 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:44,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:44,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:44,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:44,204 INFO L87 Difference]: Start difference. First operand 206 states and 247 transitions. Second operand 7 states. [2019-10-07 15:20:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:44,556 INFO L93 Difference]: Finished difference Result 347 states and 433 transitions. [2019-10-07 15:20:44,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:44,557 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:20:44,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:44,558 INFO L225 Difference]: With dead ends: 347 [2019-10-07 15:20:44,558 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:44,561 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:44,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:20:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:44,562 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:44,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:44,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:44,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:45,310 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 388) no Hoare annotation was computed. [2019-10-07 15:20:45,310 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 399) no Hoare annotation was computed. [2019-10-07 15:20:45,310 INFO L443 ceAbstractionStarter]: For program point L400(lines 377 401) no Hoare annotation was computed. [2019-10-07 15:20:45,310 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 353 408) no Hoare annotation was computed. [2019-10-07 15:20:45,311 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 353 408) no Hoare annotation was computed. [2019-10-07 15:20:45,311 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-10-07 15:20:45,311 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 409 468) no Hoare annotation was computed. [2019-10-07 15:20:45,311 INFO L443 ceAbstractionStarter]: For program point L435-2(lines 435 460) no Hoare annotation was computed. [2019-10-07 15:20:45,311 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 409 468) no Hoare annotation was computed. [2019-10-07 15:20:45,311 INFO L443 ceAbstractionStarter]: For program point L461(lines 434 462) no Hoare annotation was computed. [2019-10-07 15:20:45,312 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 409 468) no Hoare annotation was computed. [2019-10-07 15:20:45,312 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-07 15:20:45,312 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-10-07 15:20:45,312 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 778 784) the Hoare annotation is: true [2019-10-07 15:20:45,312 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 778 784) no Hoare annotation was computed. [2019-10-07 15:20:45,312 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 785 793) no Hoare annotation was computed. [2019-10-07 15:20:45,313 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 785 793) the Hoare annotation is: true [2019-10-07 15:20:45,313 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 796 803) the Hoare annotation is: true [2019-10-07 15:20:45,313 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 796 803) no Hoare annotation was computed. [2019-10-07 15:20:45,313 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 804 813) the Hoare annotation is: true [2019-10-07 15:20:45,313 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 804 813) no Hoare annotation was computed. [2019-10-07 15:20:45,313 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-07 15:20:45,314 INFO L439 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:45,314 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 833) no Hoare annotation was computed. [2019-10-07 15:20:45,314 INFO L443 ceAbstractionStarter]: For program point L826(lines 826 836) no Hoare annotation was computed. [2019-10-07 15:20:45,314 INFO L446 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2019-10-07 15:20:45,314 INFO L443 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2019-10-07 15:20:45,314 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 839) no Hoare annotation was computed. [2019-10-07 15:20:45,314 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 814 842) no Hoare annotation was computed. [2019-10-07 15:20:45,315 INFO L446 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2019-10-07 15:20:45,315 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-10-07 15:20:45,315 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 814 842) the Hoare annotation is: true [2019-10-07 15:20:45,315 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 814 842) no Hoare annotation was computed. [2019-10-07 15:20:45,315 INFO L439 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,315 INFO L439 ceAbstractionStarter]: At program point L929-1(line 929) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,316 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 934) no Hoare annotation was computed. [2019-10-07 15:20:45,316 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 927 934) no Hoare annotation was computed. [2019-10-07 15:20:45,316 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 917 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,316 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-10-07 15:20:45,316 INFO L439 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,316 INFO L439 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,317 INFO L439 ceAbstractionStarter]: At program point L923-1(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,317 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 917 939) no Hoare annotation was computed. [2019-10-07 15:20:45,317 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 875 898) no Hoare annotation was computed. [2019-10-07 15:20:45,317 INFO L443 ceAbstractionStarter]: For program point L893(line 893) no Hoare annotation was computed. [2019-10-07 15:20:45,317 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 875 898) no Hoare annotation was computed. [2019-10-07 15:20:45,317 INFO L443 ceAbstractionStarter]: For program point L892(line 892) no Hoare annotation was computed. [2019-10-07 15:20:45,317 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 875 898) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-07 15:20:45,318 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-07 15:20:45,319 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-10-07 15:20:45,319 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-07 15:20:45,319 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-07 15:20:45,319 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-07 15:20:45,319 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 276 290) no Hoare annotation was computed. [2019-10-07 15:20:45,319 INFO L439 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:45,319 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2019-10-07 15:20:45,320 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 276 290) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:20:45,320 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2019-10-07 15:20:45,320 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2019-10-07 15:20:45,320 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2019-10-07 15:20:45,320 INFO L446 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2019-10-07 15:20:45,320 INFO L443 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2019-10-07 15:20:45,321 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2019-10-07 15:20:45,321 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-07 15:20:45,321 INFO L443 ceAbstractionStarter]: For program point L251-1(line 251) no Hoare annotation was computed. [2019-10-07 15:20:45,321 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2019-10-07 15:20:45,321 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2019-10-07 15:20:45,321 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 771 777) no Hoare annotation was computed. [2019-10-07 15:20:45,321 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 771 777) the Hoare annotation is: true [2019-10-07 15:20:45,322 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 307 352) no Hoare annotation was computed. [2019-10-07 15:20:45,322 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 307 352) no Hoare annotation was computed. [2019-10-07 15:20:45,322 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 620 665) no Hoare annotation was computed. [2019-10-07 15:20:45,322 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 620 665) no Hoare annotation was computed. [2019-10-07 15:20:45,322 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 906 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,322 INFO L439 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,323 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 906 916) no Hoare annotation was computed. [2019-10-07 15:20:45,323 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 906 916) no Hoare annotation was computed. [2019-10-07 15:20:45,323 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 201 211) no Hoare annotation was computed. [2019-10-07 15:20:45,323 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-07 15:20:45,323 INFO L443 ceAbstractionStarter]: For program point L206-1(line 206) no Hoare annotation was computed. [2019-10-07 15:20:45,323 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2019-10-07 15:20:45,323 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2019-10-07 15:20:45,323 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2019-10-07 15:20:45,324 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2019-10-07 15:20:45,324 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:45,324 INFO L439 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:45,324 INFO L443 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2019-10-07 15:20:45,324 INFO L439 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:45,324 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:45,325 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2019-10-07 15:20:45,325 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:45,325 INFO L443 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2019-10-07 15:20:45,325 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2019-10-07 15:20:45,325 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2019-10-07 15:20:45,325 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2019-10-07 15:20:45,326 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,326 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,326 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-10-07 15:20:45,326 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,326 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-07 15:20:45,327 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-07 15:20:45,327 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-07 15:20:45,327 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,327 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-07 15:20:45,327 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-07 15:20:45,327 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,328 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,328 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-07 15:20:45,328 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-07 15:20:45,328 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:45,328 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-07 15:20:45,328 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 574 619) no Hoare annotation was computed. [2019-10-07 15:20:45,328 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 574 619) no Hoare annotation was computed. [2019-10-07 15:20:45,329 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 747 755) the Hoare annotation is: true [2019-10-07 15:20:45,329 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 747 755) no Hoare annotation was computed. [2019-10-07 15:20:45,329 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 715 737) no Hoare annotation was computed. [2019-10-07 15:20:45,329 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 715 737) no Hoare annotation was computed. [2019-10-07 15:20:45,329 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 471 573) no Hoare annotation was computed. [2019-10-07 15:20:45,329 INFO L443 ceAbstractionStarter]: For program point L541(lines 519 542) no Hoare annotation was computed. [2019-10-07 15:20:45,329 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 516) no Hoare annotation was computed. [2019-10-07 15:20:45,330 INFO L443 ceAbstractionStarter]: For program point L521(lines 520 540) no Hoare annotation was computed. [2019-10-07 15:20:45,330 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-07 15:20:45,330 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-10-07 15:20:45,330 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 471 573) no Hoare annotation was computed. [2019-10-07 15:20:45,330 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 558) no Hoare annotation was computed. [2019-10-07 15:20:45,330 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-07 15:20:45,330 INFO L443 ceAbstractionStarter]: For program point L536-1(line 536) no Hoare annotation was computed. [2019-10-07 15:20:45,331 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 471 573) no Hoare annotation was computed. [2019-10-07 15:20:45,331 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 499) no Hoare annotation was computed. [2019-10-07 15:20:45,331 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 540) no Hoare annotation was computed. [2019-10-07 15:20:45,331 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 761 770) no Hoare annotation was computed. [2019-10-07 15:20:45,331 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 761 770) no Hoare annotation was computed. [2019-10-07 15:20:45,331 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:45,331 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:45,332 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2019-10-07 15:20:45,332 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 185 192) no Hoare annotation was computed. [2019-10-07 15:20:45,332 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 738 746) the Hoare annotation is: true [2019-10-07 15:20:45,332 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 738 746) no Hoare annotation was computed. [2019-10-07 15:20:45,332 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 694 705) the Hoare annotation is: true [2019-10-07 15:20:45,332 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 694 705) no Hoare annotation was computed. [2019-10-07 15:20:45,332 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:45,333 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:45,333 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:45,333 INFO L439 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:20:45,333 INFO L439 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:45,333 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 151) no Hoare annotation was computed. [2019-10-07 15:20:45,333 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 151) no Hoare annotation was computed. [2019-10-07 15:20:45,334 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:45,334 INFO L443 ceAbstractionStarter]: For program point L132(lines 128 150) no Hoare annotation was computed. [2019-10-07 15:20:45,334 INFO L443 ceAbstractionStarter]: For program point L130(lines 128 150) no Hoare annotation was computed. [2019-10-07 15:20:45,334 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2019-10-07 15:20:45,334 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 845 874) the Hoare annotation is: true [2019-10-07 15:20:45,334 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 863) no Hoare annotation was computed. [2019-10-07 15:20:45,334 INFO L446 ceAbstractionStarter]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2019-10-07 15:20:45,334 INFO L446 ceAbstractionStarter]: At program point L855-2(lines 855 869) the Hoare annotation is: true [2019-10-07 15:20:45,335 INFO L446 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: true [2019-10-07 15:20:45,335 INFO L443 ceAbstractionStarter]: For program point L851-1(line 851) no Hoare annotation was computed. [2019-10-07 15:20:45,335 INFO L446 ceAbstractionStarter]: At program point L870(lines 845 874) the Hoare annotation is: true [2019-10-07 15:20:45,335 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-07 15:20:45,335 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 706 714) no Hoare annotation was computed. [2019-10-07 15:20:45,335 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 706 714) no Hoare annotation was computed. [2019-10-07 15:20:45,335 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 670 681) the Hoare annotation is: true [2019-10-07 15:20:45,336 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 670 681) no Hoare annotation was computed. [2019-10-07 15:20:45,336 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 899 905) no Hoare annotation was computed. [2019-10-07 15:20:45,336 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 899 905) the Hoare annotation is: true [2019-10-07 15:20:45,336 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:45,336 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:45,336 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:45,336 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:45,337 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 682 693) no Hoare annotation was computed. [2019-10-07 15:20:45,337 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 682 693) the Hoare annotation is: true [2019-10-07 15:20:45,337 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2019-10-07 15:20:45,337 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 292 299) the Hoare annotation is: true [2019-10-07 15:20:45,337 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 292 299) no Hoare annotation was computed. [2019-10-07 15:20:45,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:45 BoogieIcfgContainer [2019-10-07 15:20:45,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:45,354 INFO L168 Benchmark]: Toolchain (without parser) took 5676.45 ms. Allocated memory was 144.7 MB in the beginning and 248.5 MB in the end (delta: 103.8 MB). Free memory was 100.0 MB in the beginning and 121.0 MB in the end (delta: -21.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:45,355 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:45,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.70 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 99.8 MB in the beginning and 167.3 MB in the end (delta: -67.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:45,357 INFO L168 Benchmark]: Boogie Preprocessor took 106.45 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 163.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:45,358 INFO L168 Benchmark]: RCFGBuilder took 1769.30 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 146.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:45,359 INFO L168 Benchmark]: TraceAbstraction took 3003.19 ms. Allocated memory was 233.3 MB in the beginning and 248.5 MB in the end (delta: 15.2 MB). Free memory was 146.9 MB in the beginning and 121.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:45,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.70 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 99.8 MB in the beginning and 167.3 MB in the end (delta: -67.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.45 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 163.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1769.30 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 146.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3003.19 ms. Allocated memory was 233.3 MB in the beginning and 248.5 MB in the end (delta: 15.2 MB). Free memory was 146.9 MB in the beginning and 121.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 296]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 181 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 450 SDtfs, 284 SDslu, 626 SDs, 0 SdLazy, 347 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20328 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...