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_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:14:26,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:14:26,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:14:26,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:14:26,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:14:26,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:14:26,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:14:26,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:14:26,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:14:26,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:14:26,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:14:26,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:14:26,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:14:26,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:14:26,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:14:26,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:14:26,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:14:26,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:14:26,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:14:26,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:14:26,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:14:26,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:14:26,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:14:26,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:14:26,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:14:26,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:14:26,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:14:26,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:14:26,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:14:26,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:14:26,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:14:26,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:14:26,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:14:26,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:14:26,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:14:26,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:14:26,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:14:26,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:14:26,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:14:26,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:14:26,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:14:26,487 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 15:14:26,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:14:26,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:14:26,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:14:26,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:14:26,523 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:14:26,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:14:26,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:14:26,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:14:26,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:14:26,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:14:26,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:14:26,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:14:26,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:14:26,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:14:26,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:14:26,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:14:26,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:14:26,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:14:26,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:14:26,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:14:26,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:14:26,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:14:26,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:14:26,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:14:26,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:14:26,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:14:26,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:14:26,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:14:26,532 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 15:14:26,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:14:26,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:14:26,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:14:26,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:14:26,860 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:14:26,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-10-07 15:14:26,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a598a0ab/f58f5d6d1c4a42a79a3555363694493e/FLAG1014b761b [2019-10-07 15:14:27,536 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:14:27,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-10-07 15:14:27,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a598a0ab/f58f5d6d1c4a42a79a3555363694493e/FLAG1014b761b [2019-10-07 15:14:27,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a598a0ab/f58f5d6d1c4a42a79a3555363694493e [2019-10-07 15:14:27,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:14:27,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:14:27,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:27,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:14:27,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:14:27,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:27" (1/1) ... [2019-10-07 15:14:27,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f1e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:27, skipping insertion in model container [2019-10-07 15:14:27,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:27" (1/1) ... [2019-10-07 15:14:27,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:14:27,912 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:14:28,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:28,348 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:14:28,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:28,500 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:14:28,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28 WrapperNode [2019-10-07 15:14:28,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:28,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:14:28,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:14:28,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:14:28,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (1/1) ... [2019-10-07 15:14:28,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (1/1) ... [2019-10-07 15:14:28,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (1/1) ... [2019-10-07 15:14:28,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (1/1) ... [2019-10-07 15:14:28,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (1/1) ... [2019-10-07 15:14:28,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (1/1) ... [2019-10-07 15:14:28,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (1/1) ... [2019-10-07 15:14:28,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:14:28,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:14:28,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:14:28,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:14:28,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (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 15:14:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:14:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:14:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:14:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:14:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:14:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:14:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:14:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:14:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:14:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:14:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:14:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:14:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:14:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:14:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:14:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:14:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:14:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:14:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:14:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:14:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:14:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:14:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:14:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:14:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:14:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:14:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:14:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:14:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:14:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:14:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:14:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:14:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:14:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:14:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:14:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:14:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:14:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:14:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:14:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:14:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:14:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:14:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:14:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:14:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:14:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:14:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:14:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:14:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:14:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:14:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:14:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:14:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:14:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:14:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:14:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:14:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:14:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:14:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:14:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:14:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:14:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:14:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:14:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:14:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:14:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:14:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:14:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:14:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:14:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:14:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:14:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:14:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:14:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:14:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:14:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:14:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:14:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:14:30,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:14:30,201 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:14:30,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:30 BoogieIcfgContainer [2019-10-07 15:14:30,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:14:30,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:14:30,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:14:30,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:14:30,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:14:27" (1/3) ... [2019-10-07 15:14:30,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796bfcd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:30, skipping insertion in model container [2019-10-07 15:14:30,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:28" (2/3) ... [2019-10-07 15:14:30,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796bfcd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:30, skipping insertion in model container [2019-10-07 15:14:30,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:30" (3/3) ... [2019-10-07 15:14:30,214 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2019-10-07 15:14:30,224 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:14:30,234 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:14:30,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:14:30,274 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:14:30,274 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:14:30,274 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:14:30,275 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:14:30,275 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:14:30,275 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:14:30,275 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:14:30,275 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:14:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-10-07 15:14:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:14:30,311 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:30,313 INFO L385 BasicCegarLoop]: trace histogram [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 15:14:30,315 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:30,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:30,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1664341365, now seen corresponding path program 1 times [2019-10-07 15:14:30,334 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:30,334 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:30,335 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:30,335 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:30,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:30,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:30,715 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:30,715 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:14:30,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:14:30,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:14:30,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:14:30,739 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2019-10-07 15:14:30,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:30,780 INFO L93 Difference]: Finished difference Result 185 states and 230 transitions. [2019-10-07 15:14:30,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:14:30,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:14:30,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:30,795 INFO L225 Difference]: With dead ends: 185 [2019-10-07 15:14:30,795 INFO L226 Difference]: Without dead ends: 93 [2019-10-07 15:14:30,800 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 15:14:30,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-07 15:14:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-10-07 15:14:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-07 15:14:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2019-10-07 15:14:30,856 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 42 [2019-10-07 15:14:30,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:30,857 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2019-10-07 15:14:30,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:14:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2019-10-07 15:14:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:14:30,861 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:30,861 INFO L385 BasicCegarLoop]: trace histogram [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 15:14:30,861 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:30,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:30,862 INFO L82 PathProgramCache]: Analyzing trace with hash 34853953, now seen corresponding path program 1 times [2019-10-07 15:14:30,862 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:30,862 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:30,862 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:30,863 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:30,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:30,983 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:30,983 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:30,984 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:30,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:30,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:30,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:30,987 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand 3 states. [2019-10-07 15:14:31,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:31,007 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2019-10-07 15:14:31,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:31,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:14:31,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:31,010 INFO L225 Difference]: With dead ends: 136 [2019-10-07 15:14:31,011 INFO L226 Difference]: Without dead ends: 85 [2019-10-07 15:14:31,012 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 15:14:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-07 15:14:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-10-07 15:14:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-07 15:14:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2019-10-07 15:14:31,030 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 43 [2019-10-07 15:14:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:31,031 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2019-10-07 15:14:31,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2019-10-07 15:14:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:14:31,037 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:31,037 INFO L385 BasicCegarLoop]: trace histogram [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 15:14:31,037 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:31,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2081501314, now seen corresponding path program 1 times [2019-10-07 15:14:31,038 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:31,038 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:31,039 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:31,039 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:31,225 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:31,225 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:31,226 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:14:31,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:14:31,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:14:31,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:14:31,227 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 7 states. [2019-10-07 15:14:31,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:31,618 INFO L93 Difference]: Finished difference Result 255 states and 307 transitions. [2019-10-07 15:14:31,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:14:31,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:14:31,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:31,623 INFO L225 Difference]: With dead ends: 255 [2019-10-07 15:14:31,623 INFO L226 Difference]: Without dead ends: 192 [2019-10-07 15:14:31,625 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 15:14:31,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-10-07 15:14:31,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 184. [2019-10-07 15:14:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-07 15:14:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 221 transitions. [2019-10-07 15:14:31,685 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 221 transitions. Word has length 46 [2019-10-07 15:14:31,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:31,686 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 221 transitions. [2019-10-07 15:14:31,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:14:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 221 transitions. [2019-10-07 15:14:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:14:31,691 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:31,691 INFO L385 BasicCegarLoop]: trace histogram [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 15:14:31,691 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:31,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:31,692 INFO L82 PathProgramCache]: Analyzing trace with hash 454262935, now seen corresponding path program 1 times [2019-10-07 15:14:31,692 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:31,692 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:31,692 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:31,693 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:31,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:31,862 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:31,863 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:31,863 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:14:31,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:14:31,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:14:31,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:14:31,866 INFO L87 Difference]: Start difference. First operand 184 states and 221 transitions. Second operand 6 states. [2019-10-07 15:14:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:32,064 INFO L93 Difference]: Finished difference Result 493 states and 612 transitions. [2019-10-07 15:14:32,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:14:32,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:14:32,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:32,077 INFO L225 Difference]: With dead ends: 493 [2019-10-07 15:14:32,077 INFO L226 Difference]: Without dead ends: 331 [2019-10-07 15:14:32,080 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:14:32,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-10-07 15:14:32,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 319. [2019-10-07 15:14:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-10-07 15:14:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 388 transitions. [2019-10-07 15:14:32,160 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 388 transitions. Word has length 51 [2019-10-07 15:14:32,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:32,163 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 388 transitions. [2019-10-07 15:14:32,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:14:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 388 transitions. [2019-10-07 15:14:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:14:32,173 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:32,174 INFO L385 BasicCegarLoop]: trace histogram [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 15:14:32,174 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:32,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:32,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1559119260, now seen corresponding path program 1 times [2019-10-07 15:14:32,175 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:32,175 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:32,178 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:32,178 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:32,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:32,310 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:32,310 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:32,310 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:14:32,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:14:32,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:14:32,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:14:32,318 INFO L87 Difference]: Start difference. First operand 319 states and 388 transitions. Second operand 7 states. [2019-10-07 15:14:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:32,654 INFO L93 Difference]: Finished difference Result 547 states and 688 transitions. [2019-10-07 15:14:32,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:14:32,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:14:32,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:32,656 INFO L225 Difference]: With dead ends: 547 [2019-10-07 15:14:32,656 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:14:32,658 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 15:14:32,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:14:32,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:14:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:14:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:14:32,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:14:32,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:32,659 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:14:32,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:14:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:14:32,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:14:32,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:14:33,720 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 605) no Hoare annotation was computed. [2019-10-07 15:14:33,720 INFO L443 ceAbstractionStarter]: For program point L595-2(lines 595 616) no Hoare annotation was computed. [2019-10-07 15:14:33,720 INFO L443 ceAbstractionStarter]: For program point L617(lines 594 618) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 570 625) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 570 625) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point L671(line 671) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 626 685) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 662) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 626 685) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 677) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 626 685) no Hoare annotation was computed. [2019-10-07 15:14:33,721 INFO L443 ceAbstractionStarter]: For program point L678(lines 651 679) no Hoare annotation was computed. [2019-10-07 15:14:33,722 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 405 411) the Hoare annotation is: true [2019-10-07 15:14:33,722 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 405 411) no Hoare annotation was computed. [2019-10-07 15:14:33,722 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 412 420) no Hoare annotation was computed. [2019-10-07 15:14:33,722 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 412 420) the Hoare annotation is: true [2019-10-07 15:14:33,722 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 494 516) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,722 INFO L439 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:14:33,723 INFO L439 ceAbstractionStarter]: At program point L506-1(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:14:33,723 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 494 516) no Hoare annotation was computed. [2019-10-07 15:14:33,723 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 511) no Hoare annotation was computed. [2019-10-07 15:14:33,723 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 504 511) no Hoare annotation was computed. [2019-10-07 15:14:33,723 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-07 15:14:33,723 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,724 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,724 INFO L439 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,724 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 453 476) no Hoare annotation was computed. [2019-10-07 15:14:33,724 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 453 476) no Hoare annotation was computed. [2019-10-07 15:14:33,724 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 453 476) no Hoare annotation was computed. [2019-10-07 15:14:33,724 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-10-07 15:14:33,725 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-07 15:14:33,725 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-07 15:14:33,725 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-07 15:14:33,725 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-07 15:14:33,725 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-07 15:14:33,725 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-10-07 15:14:33,725 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-07 15:14:33,726 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-07 15:14:33,726 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-10-07 15:14:33,726 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-07 15:14:33,726 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-07 15:14:33,726 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-07 15:14:33,726 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-07 15:14:33,726 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 300 314) no Hoare annotation was computed. [2019-10-07 15:14:33,727 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2019-10-07 15:14:33,727 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 300 314) 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 15:14:33,727 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:14:33,727 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 255 263) no Hoare annotation was computed. [2019-10-07 15:14:33,727 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 255 263) the Hoare annotation is: true [2019-10-07 15:14:33,727 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 264 299) no Hoare annotation was computed. [2019-10-07 15:14:33,727 INFO L443 ceAbstractionStarter]: For program point L294(line 294) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 264 299) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 398 404) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 398 404) the Hoare annotation is: true [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 524 569) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 524 569) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 837 882) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 837 882) no Hoare annotation was computed. [2019-10-07 15:14:33,728 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 484 493) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,728 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 484 493) no Hoare annotation was computed. [2019-10-07 15:14:33,729 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 484 493) no Hoare annotation was computed. [2019-10-07 15:14:33,729 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 244 254) the Hoare annotation is: true [2019-10-07 15:14:33,729 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 244 254) no Hoare annotation was computed. [2019-10-07 15:14:33,729 INFO L446 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2019-10-07 15:14:33,729 INFO L443 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2019-10-07 15:14:33,729 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 236 243) the Hoare annotation is: true [2019-10-07 15:14:33,729 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 236 243) no Hoare annotation was computed. [2019-10-07 15:14:33,729 INFO L439 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:14:33,729 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2019-10-07 15:14:33,729 INFO L439 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:14:33,730 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 203 227) no Hoare annotation was computed. [2019-10-07 15:14:33,730 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:14:33,730 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 203 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:14:33,730 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 219) no Hoare annotation was computed. [2019-10-07 15:14:33,730 INFO L439 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:14:33,730 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-10-07 15:14:33,730 INFO L443 ceAbstractionStarter]: For program point L207(lines 207 224) no Hoare annotation was computed. [2019-10-07 15:14:33,730 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2019-10-07 15:14:33,730 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2019-10-07 15:14:33,730 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 317 382) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,731 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,731 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-07 15:14:33,731 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2019-10-07 15:14:33,731 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 317 382) no Hoare annotation was computed. [2019-10-07 15:14:33,731 INFO L439 ceAbstractionStarter]: At program point L372(lines 327 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,731 INFO L439 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,731 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2019-10-07 15:14:33,731 INFO L443 ceAbstractionStarter]: For program point L337-1(lines 337 343) no Hoare annotation was computed. [2019-10-07 15:14:33,731 INFO L439 ceAbstractionStarter]: At program point L375(lines 326 376) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,732 INFO L439 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,732 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2019-10-07 15:14:33,732 INFO L439 ceAbstractionStarter]: At program point L363-1(lines 357 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:33,732 INFO L443 ceAbstractionStarter]: For program point L328(lines 327 374) no Hoare annotation was computed. [2019-10-07 15:14:33,732 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 370) no Hoare annotation was computed. [2019-10-07 15:14:33,733 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 317 382) no Hoare annotation was computed. [2019-10-07 15:14:33,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 791 836) no Hoare annotation was computed. [2019-10-07 15:14:33,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 791 836) no Hoare annotation was computed. [2019-10-07 15:14:33,733 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:14:33,733 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:14:33,733 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 388 397) no Hoare annotation was computed. [2019-10-07 15:14:33,733 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 388 397) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point L737-2(lines 737 757) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 688 790) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point L758(lines 736 759) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 733) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 688 790) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point L738(lines 737 757) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point L769(line 769) no Hoare annotation was computed. [2019-10-07 15:14:33,734 INFO L443 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2019-10-07 15:14:33,735 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 775) no Hoare annotation was computed. [2019-10-07 15:14:33,735 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 688 790) no Hoare annotation was computed. [2019-10-07 15:14:33,735 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-07 15:14:33,735 INFO L443 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2019-10-07 15:14:33,735 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-10-07 15:14:33,735 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:14:33,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:33,735 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2019-10-07 15:14:33,736 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 228 235) no Hoare annotation was computed. [2019-10-07 15:14:33,736 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:14:33,736 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:14:33,736 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-07 15:14:33,736 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-07 15:14:33,736 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:33,736 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:14:33,737 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-07 15:14:33,737 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-07 15:14:33,737 INFO L439 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:14:33,737 INFO L439 ceAbstractionStarter]: At program point L182(lines 182 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:14:33,737 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:14:33,737 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:14:33,737 INFO L443 ceAbstractionStarter]: For program point L175(lines 174 193) no Hoare annotation was computed. [2019-10-07 15:14:33,738 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2019-10-07 15:14:33,738 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2019-10-07 15:14:33,738 INFO L446 ceAbstractionStarter]: At program point L448(lines 423 452) the Hoare annotation is: true [2019-10-07 15:14:33,738 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 423 452) no Hoare annotation was computed. [2019-10-07 15:14:33,738 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 423 452) the Hoare annotation is: true [2019-10-07 15:14:33,738 INFO L443 ceAbstractionStarter]: For program point L444(line 444) no Hoare annotation was computed. [2019-10-07 15:14:33,738 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 441) no Hoare annotation was computed. [2019-10-07 15:14:33,739 INFO L446 ceAbstractionStarter]: At program point L437-1(lines 437 441) the Hoare annotation is: true [2019-10-07 15:14:33,739 INFO L446 ceAbstractionStarter]: At program point L433-2(lines 433 447) the Hoare annotation is: true [2019-10-07 15:14:33,739 INFO L446 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: true [2019-10-07 15:14:33,739 INFO L443 ceAbstractionStarter]: For program point L429-1(line 429) no Hoare annotation was computed. [2019-10-07 15:14:33,739 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-07 15:14:33,739 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-07 15:14:33,739 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 477 483) no Hoare annotation was computed. [2019-10-07 15:14:33,740 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 477 483) the Hoare annotation is: true [2019-10-07 15:14:33,740 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:33,740 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:14:33,740 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:14:33,740 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:14:33,740 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-07 15:14:33,740 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-07 15:14:33,741 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 154 161) the Hoare annotation is: true [2019-10-07 15:14:33,741 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-10-07 15:14:33,741 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2019-10-07 15:14:33,741 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2019-10-07 15:14:33,741 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2019-10-07 15:14:33,741 INFO L439 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:14:33,741 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-10-07 15:14:33,742 INFO L439 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:14:33,742 INFO L443 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2019-10-07 15:14:33,742 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2019-10-07 15:14:33,742 INFO L443 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2019-10-07 15:14:33,742 INFO L446 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2019-10-07 15:14:33,742 INFO L443 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2019-10-07 15:14:33,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:14:33 BoogieIcfgContainer [2019-10-07 15:14:33,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:14:33,759 INFO L168 Benchmark]: Toolchain (without parser) took 5938.92 ms. Allocated memory was 146.3 MB in the beginning and 285.2 MB in the end (delta: 138.9 MB). Free memory was 103.3 MB in the beginning and 197.4 MB in the end (delta: -94.1 MB). Peak memory consumption was 109.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:33,760 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:14:33,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.07 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 170.0 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:33,762 INFO L168 Benchmark]: Boogie Preprocessor took 88.71 ms. Allocated memory is still 203.9 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:33,763 INFO L168 Benchmark]: RCFGBuilder took 1612.08 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 155.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:33,764 INFO L168 Benchmark]: TraceAbstraction took 3551.66 ms. Allocated memory was 235.9 MB in the beginning and 285.2 MB in the end (delta: 49.3 MB). Free memory was 153.6 MB in the beginning and 197.4 MB in the end (delta: -43.9 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:33,769 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.07 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 170.0 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.71 ms. Allocated memory is still 203.9 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1612.08 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 166.0 MB in the beginning and 155.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3551.66 ms. Allocated memory was 235.9 MB in the beginning and 285.2 MB in the end (delta: 49.3 MB). Free memory was 153.6 MB in the beginning and 197.4 MB in the end (delta: -43.9 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 167 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 514 SDtfs, 282 SDslu, 970 SDs, 0 SdLazy, 369 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=4, 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, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 430 PreInvPairs, 472 NumberOfFragments, 467 HoareAnnotationTreeSize, 430 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1763 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 20569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...