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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:36,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:36,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:36,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:36,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:36,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:36,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:36,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:36,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:36,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:36,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:36,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:36,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:36,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:36,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:36,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:36,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:36,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:36,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:36,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:36,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:36,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:36,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:36,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:36,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:36,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:36,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:36,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:36,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:36,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:36,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:36,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:36,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:36,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:36,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:36,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:36,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:36,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:36,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:36,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:36,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:36,393 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 15:20:36,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:36,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:36,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:36,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:36,411 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:36,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:36,411 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:36,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:36,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:36,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:36,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:36,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:36,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:36,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:36,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:36,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:36,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:36,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:36,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:36,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:36,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:36,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:36,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:36,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:36,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:36,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:36,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:36,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:36,416 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 15:20:36,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:36,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:36,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:36,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:36,759 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:36,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2019-10-07 15:20:36,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83da760ec/f7619ce961a94f98838baab750cc023d/FLAG4557fef2e [2019-10-07 15:20:37,347 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:37,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2019-10-07 15:20:37,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83da760ec/f7619ce961a94f98838baab750cc023d/FLAG4557fef2e [2019-10-07 15:20:37,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83da760ec/f7619ce961a94f98838baab750cc023d [2019-10-07 15:20:37,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:37,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:37,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:37,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:37,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:37,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3471f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37, skipping insertion in model container [2019-10-07 15:20:37,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,690 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:37,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:38,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:38,282 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:38,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:38,455 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:38,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38 WrapperNode [2019-10-07 15:20:38,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:38,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:38,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:38,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:38,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:38,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:38,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:38,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:38,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (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 15:20:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:20:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:20:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:20:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:20:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:40,266 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:40,267 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:40,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:40 BoogieIcfgContainer [2019-10-07 15:20:40,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:40,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:40,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:40,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:40,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:37" (1/3) ... [2019-10-07 15:20:40,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebf5714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:40, skipping insertion in model container [2019-10-07 15:20:40,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (2/3) ... [2019-10-07 15:20:40,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebf5714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:40, skipping insertion in model container [2019-10-07 15:20:40,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:40" (3/3) ... [2019-10-07 15:20:40,276 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2019-10-07 15:20:40,286 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:40,297 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:40,306 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:40,329 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:40,329 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:40,329 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:40,329 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:40,330 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:40,330 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:40,330 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:40,330 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-10-07 15:20:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:40,355 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,356 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 15:20:40,358 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1534125972, now seen corresponding path program 1 times [2019-10-07 15:20:40,371 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,371 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,371 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,372 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,725 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 15:20:40,725 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,727 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,732 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:40,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:40,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:40,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:40,750 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-10-07 15:20:40,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,799 INFO L93 Difference]: Finished difference Result 208 states and 255 transitions. [2019-10-07 15:20:40,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:40,801 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:40,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,814 INFO L225 Difference]: With dead ends: 208 [2019-10-07 15:20:40,815 INFO L226 Difference]: Without dead ends: 106 [2019-10-07 15:20:40,819 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 15:20:40,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-07 15:20:40,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-07 15:20:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-07 15:20:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2019-10-07 15:20:40,878 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2019-10-07 15:20:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,878 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2019-10-07 15:20:40,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2019-10-07 15:20:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:40,882 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,883 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 15:20:40,883 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,883 INFO L82 PathProgramCache]: Analyzing trace with hash 834062415, now seen corresponding path program 1 times [2019-10-07 15:20:40,884 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,884 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,884 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,884 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,985 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 15:20:40,986 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,986 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,986 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:40,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:40,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:40,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:40,989 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2019-10-07 15:20:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:41,011 INFO L93 Difference]: Finished difference Result 156 states and 180 transitions. [2019-10-07 15:20:41,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:41,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:41,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:41,018 INFO L225 Difference]: With dead ends: 156 [2019-10-07 15:20:41,018 INFO L226 Difference]: Without dead ends: 98 [2019-10-07 15:20:41,022 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 15:20:41,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-07 15:20:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-07 15:20:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-07 15:20:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2019-10-07 15:20:41,049 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 53 [2019-10-07 15:20:41,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:41,050 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2019-10-07 15:20:41,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2019-10-07 15:20:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:20:41,055 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:41,055 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] [2019-10-07 15:20:41,055 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:41,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:41,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1662443284, now seen corresponding path program 1 times [2019-10-07 15:20:41,056 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:41,058 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,059 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:41,331 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 15:20:41,332 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,332 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:41,332 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:41,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:41,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:41,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:41,337 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand 7 states. [2019-10-07 15:20:41,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:41,802 INFO L93 Difference]: Finished difference Result 294 states and 353 transitions. [2019-10-07 15:20:41,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:20:41,803 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-07 15:20:41,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:41,806 INFO L225 Difference]: With dead ends: 294 [2019-10-07 15:20:41,807 INFO L226 Difference]: Without dead ends: 221 [2019-10-07 15:20:41,808 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 15:20:41,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-07 15:20:41,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209. [2019-10-07 15:20:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-07 15:20:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2019-10-07 15:20:41,871 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 57 [2019-10-07 15:20:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:41,872 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2019-10-07 15:20:41,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2019-10-07 15:20:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:20:41,874 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:41,874 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 15:20:41,875 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:41,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:41,875 INFO L82 PathProgramCache]: Analyzing trace with hash -331027598, now seen corresponding path program 1 times [2019-10-07 15:20:41,875 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:41,876 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,876 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,876 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:42,014 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 15:20:42,014 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:42,015 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:42,015 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:42,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:42,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:42,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:42,017 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand 7 states. [2019-10-07 15:20:42,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:42,406 INFO L93 Difference]: Finished difference Result 353 states and 439 transitions. [2019-10-07 15:20:42,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:42,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:20:42,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:42,408 INFO L225 Difference]: With dead ends: 353 [2019-10-07 15:20:42,408 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:42,416 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 15:20:42,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:42,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:42,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-07 15:20:42,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:42,418 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:42,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:42,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:42,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:43,140 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:20:43,140 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:20:43,140 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:20:43,141 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:20:43,141 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:20:43,141 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:20:43,141 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:20:43,141 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:20:43,141 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:20:43,142 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:20:43,142 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:20:43,142 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:20:43,142 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:20:43,142 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 581 587) the Hoare annotation is: true [2019-10-07 15:20:43,142 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 581 587) no Hoare annotation was computed. [2019-10-07 15:20:43,143 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 588 596) no Hoare annotation was computed. [2019-10-07 15:20:43,143 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 588 596) the Hoare annotation is: true [2019-10-07 15:20:43,143 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 410 417) the Hoare annotation is: true [2019-10-07 15:20:43,143 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2019-10-07 15:20:43,143 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 418 427) the Hoare annotation is: true [2019-10-07 15:20:43,143 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 418 427) no Hoare annotation was computed. [2019-10-07 15:20:43,143 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-10-07 15:20:43,144 INFO L439 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:20:43,144 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 447) no Hoare annotation was computed. [2019-10-07 15:20:43,144 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 450) no Hoare annotation was computed. [2019-10-07 15:20:43,144 INFO L446 ceAbstractionStarter]: At program point L438(line 438) the Hoare annotation is: true [2019-10-07 15:20:43,144 INFO L443 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2019-10-07 15:20:43,144 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 453) no Hoare annotation was computed. [2019-10-07 15:20:43,145 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 428 456) no Hoare annotation was computed. [2019-10-07 15:20:43,145 INFO L446 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: true [2019-10-07 15:20:43,145 INFO L443 ceAbstractionStarter]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-10-07 15:20:43,145 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 428 456) the Hoare annotation is: true [2019-10-07 15:20:43,145 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 428 456) no Hoare annotation was computed. [2019-10-07 15:20:43,145 INFO L439 ceAbstractionStarter]: At program point L545(line 545) 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 15:20:43,145 INFO L439 ceAbstractionStarter]: At program point L545-1(line 545) 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 15:20:43,146 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 539 561) 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 15:20:43,146 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 539 561) no Hoare annotation was computed. [2019-10-07 15:20:43,146 INFO L439 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:43,146 INFO L439 ceAbstractionStarter]: At program point L551-1(line 551) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:43,147 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 556) no Hoare annotation was computed. [2019-10-07 15:20:43,147 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 549 556) no Hoare annotation was computed. [2019-10-07 15:20:43,147 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-07 15:20:43,147 INFO L439 ceAbstractionStarter]: At program point L546(line 546) 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 15:20:43,147 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 493 516) no Hoare annotation was computed. [2019-10-07 15:20:43,147 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-07 15:20:43,147 INFO L443 ceAbstractionStarter]: For program point L510(line 510) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 493 516) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 493 516) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-07 15:20:43,148 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L443 ceAbstractionStarter]: For program point L501(line 501) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 644 650) no Hoare annotation was computed. [2019-10-07 15:20:43,149 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 644 650) the Hoare annotation is: true [2019-10-07 15:20:43,150 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2019-10-07 15:20:43,150 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) 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 15:20:43,150 INFO L439 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:43,150 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-07 15:20:43,150 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 677 684) no Hoare annotation was computed. [2019-10-07 15:20:43,150 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 677 684) no Hoare annotation was computed. [2019-10-07 15:20:43,151 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2019-10-07 15:20:43,151 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2019-10-07 15:20:43,151 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-07 15:20:43,151 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-10-07 15:20:43,151 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 730 765) no Hoare annotation was computed. [2019-10-07 15:20:43,151 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 730 765) no Hoare annotation was computed. [2019-10-07 15:20:43,151 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 574 580) no Hoare annotation was computed. [2019-10-07 15:20:43,152 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 574 580) the Hoare annotation is: true [2019-10-07 15:20:43,152 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:20:43,152 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:20:43,152 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:20:43,152 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:20:43,152 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 525 535) 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 15:20:43,153 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 525 535) no Hoare annotation was computed. [2019-10-07 15:20:43,153 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 525 535) no Hoare annotation was computed. [2019-10-07 15:20:43,153 INFO L439 ceAbstractionStarter]: At program point L530(line 530) 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 15:20:43,153 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 710 720) the Hoare annotation is: true [2019-10-07 15:20:43,153 INFO L446 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: true [2019-10-07 15:20:43,153 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 710 720) no Hoare annotation was computed. [2019-10-07 15:20:43,153 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-07 15:20:43,154 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 702 709) the Hoare annotation is: true [2019-10-07 15:20:43,154 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2019-10-07 15:20:43,154 INFO L439 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:43,154 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 652 676) no Hoare annotation was computed. [2019-10-07 15:20:43,154 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:43,154 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 652 676) no Hoare annotation was computed. [2019-10-07 15:20:43,154 INFO L439 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:43,155 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 668) no Hoare annotation was computed. [2019-10-07 15:20:43,155 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 652 676) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:43,155 INFO L439 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:20:43,155 INFO L443 ceAbstractionStarter]: For program point L658-1(line 658) no Hoare annotation was computed. [2019-10-07 15:20:43,155 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 673) no Hoare annotation was computed. [2019-10-07 15:20:43,155 INFO L443 ceAbstractionStarter]: For program point L801(lines 800 849) no Hoare annotation was computed. [2019-10-07 15:20:43,156 INFO L439 ceAbstractionStarter]: At program point L832(line 832) 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 15:20:43,156 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 790 857) 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 15:20:43,156 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 845) no Hoare annotation was computed. [2019-10-07 15:20:43,156 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 790 857) no Hoare annotation was computed. [2019-10-07 15:20:43,156 INFO L439 ceAbstractionStarter]: At program point L822(line 822) 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 15:20:43,156 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 826) no Hoare annotation was computed. [2019-10-07 15:20:43,156 INFO L443 ceAbstractionStarter]: For program point L820-1(lines 820 826) no Hoare annotation was computed. [2019-10-07 15:20:43,157 INFO L439 ceAbstractionStarter]: At program point L847(lines 800 849) 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 15:20:43,157 INFO L439 ceAbstractionStarter]: At program point L812(line 812) 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 15:20:43,157 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2019-10-07 15:20:43,157 INFO L443 ceAbstractionStarter]: For program point L810-1(lines 810 816) no Hoare annotation was computed. [2019-10-07 15:20:43,157 INFO L439 ceAbstractionStarter]: At program point L850(lines 799 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:43,157 INFO L439 ceAbstractionStarter]: At program point L840(line 840) 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 15:20:43,158 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2019-10-07 15:20:43,158 INFO L439 ceAbstractionStarter]: At program point L838-1(lines 830 845) 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 15:20:43,158 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 790 857) no Hoare annotation was computed. [2019-10-07 15:20:43,158 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:20:43,158 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:20:43,158 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 906 928) no Hoare annotation was computed. [2019-10-07 15:20:43,158 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 906 928) no Hoare annotation was computed. [2019-10-07 15:20:43,158 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:20:43,159 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:20:43,160 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:20:43,160 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:20:43,160 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:20:43,160 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:20:43,160 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 564 573) no Hoare annotation was computed. [2019-10-07 15:20:43,160 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 564 573) no Hoare annotation was computed. [2019-10-07 15:20:43,161 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:43,161 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,161 INFO L443 ceAbstractionStarter]: For program point L690-1(line 690) no Hoare annotation was computed. [2019-10-07 15:20:43,161 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 685 701) no Hoare annotation was computed. [2019-10-07 15:20:43,161 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 685 701) no Hoare annotation was computed. [2019-10-07 15:20:43,161 INFO L443 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2019-10-07 15:20:43,161 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 685 701) no Hoare annotation was computed. [2019-10-07 15:20:43,162 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2019-10-07 15:20:43,162 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-10-07 15:20:43,162 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 929 937) the Hoare annotation is: true [2019-10-07 15:20:43,162 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 929 937) no Hoare annotation was computed. [2019-10-07 15:20:43,162 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,162 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,162 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 885 896) the Hoare annotation is: true [2019-10-07 15:20:43,163 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 885 896) no Hoare annotation was computed. [2019-10-07 15:20:43,163 INFO L439 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:20:43,163 INFO L439 ceAbstractionStarter]: At program point L631(lines 631 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:43,163 INFO L439 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:20:43,163 INFO L443 ceAbstractionStarter]: For program point L624(lines 620 642) no Hoare annotation was computed. [2019-10-07 15:20:43,163 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 617 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:20:43,164 INFO L443 ceAbstractionStarter]: For program point L622(lines 620 642) no Hoare annotation was computed. [2019-10-07 15:20:43,164 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 617 643) no Hoare annotation was computed. [2019-10-07 15:20:43,164 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 617 643) no Hoare annotation was computed. [2019-10-07 15:20:43,164 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-07 15:20:43,164 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 460 489) no Hoare annotation was computed. [2019-10-07 15:20:43,164 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 460 489) the Hoare annotation is: true [2019-10-07 15:20:43,164 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 478) no Hoare annotation was computed. [2019-10-07 15:20:43,164 INFO L446 ceAbstractionStarter]: At program point L474-1(lines 474 478) the Hoare annotation is: true [2019-10-07 15:20:43,165 INFO L446 ceAbstractionStarter]: At program point L470-2(lines 470 484) the Hoare annotation is: true [2019-10-07 15:20:43,165 INFO L446 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: true [2019-10-07 15:20:43,165 INFO L443 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2019-10-07 15:20:43,165 INFO L446 ceAbstractionStarter]: At program point L485(lines 460 489) the Hoare annotation is: true [2019-10-07 15:20:43,165 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 897 905) the Hoare annotation is: true [2019-10-07 15:20:43,165 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 897 905) no Hoare annotation was computed. [2019-10-07 15:20:43,165 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 861 872) the Hoare annotation is: true [2019-10-07 15:20:43,166 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 861 872) no Hoare annotation was computed. [2019-10-07 15:20:43,166 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 517 523) no Hoare annotation was computed. [2019-10-07 15:20:43,166 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 517 523) the Hoare annotation is: true [2019-10-07 15:20:43,166 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,166 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:43,166 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:43,166 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:43,166 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-10-07 15:20:43,167 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: true [2019-10-07 15:20:43,167 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 873 884) no Hoare annotation was computed. [2019-10-07 15:20:43,167 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 873 884) the Hoare annotation is: true [2019-10-07 15:20:43,167 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 598 605) the Hoare annotation is: true [2019-10-07 15:20:43,167 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 598 605) no Hoare annotation was computed. [2019-10-07 15:20:43,167 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2019-10-07 15:20:43,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:43 BoogieIcfgContainer [2019-10-07 15:20:43,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:43,189 INFO L168 Benchmark]: Toolchain (without parser) took 5512.63 ms. Allocated memory was 134.2 MB in the beginning and 256.9 MB in the end (delta: 122.7 MB). Free memory was 97.7 MB in the beginning and 145.7 MB in the end (delta: -48.0 MB). Peak memory consumption was 144.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,191 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 117.5 MB in the beginning and 117.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.53 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 97.5 MB in the beginning and 166.7 MB in the end (delta: -69.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,195 INFO L168 Benchmark]: Boogie Preprocessor took 95.57 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 163.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,197 INFO L168 Benchmark]: RCFGBuilder took 1715.18 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 163.1 MB in the beginning and 148.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,198 INFO L168 Benchmark]: TraceAbstraction took 2916.13 ms. Allocated memory was 224.9 MB in the beginning and 256.9 MB in the end (delta: 32.0 MB). Free memory was 148.0 MB in the beginning and 145.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:43,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 117.5 MB in the beginning and 117.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.53 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 97.5 MB in the beginning and 166.7 MB in the end (delta: -69.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.57 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 163.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1715.18 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 163.1 MB in the beginning and 148.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2916.13 ms. Allocated memory was 224.9 MB in the beginning and 256.9 MB in the end (delta: 32.0 MB). Free memory was 148.0 MB in the beginning and 145.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 602]: 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: 800]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 185 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 463 SDtfs, 289 SDslu, 636 SDs, 0 SdLazy, 366 SolverSat, 122 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=209occurred 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20673 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...