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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:00,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:00,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:00,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:00,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:00,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:00,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:00,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:00,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:00,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:00,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:00,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:00,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:00,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:00,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:00,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:00,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:00,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:00,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:00,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:00,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:00,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:00,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:00,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:00,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:00,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:00,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:00,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:00,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:00,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:00,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:00,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:00,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:00,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:00,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:00,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:00,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:00,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:00,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:00,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:00,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:00,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:14:00,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:00,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:00,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:00,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:00,319 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:00,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:00,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:00,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:00,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:00,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:00,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:00,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:00,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:00,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:00,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:00,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:00,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:00,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:00,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:00,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:00,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:00,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:00,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:00,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:00,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:00,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:00,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:00,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:00,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:14:00,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:00,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:00,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:00,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:00,618 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:00,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2019-10-13 23:14:00,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d3ef6fb8/ae885cb830dc4b52b859913dd25976a8/FLAG95511b1d1 [2019-10-13 23:14:01,223 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:01,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2019-10-13 23:14:01,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d3ef6fb8/ae885cb830dc4b52b859913dd25976a8/FLAG95511b1d1 [2019-10-13 23:14:01,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d3ef6fb8/ae885cb830dc4b52b859913dd25976a8 [2019-10-13 23:14:01,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:01,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:01,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:01,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:01,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:01,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:01" (1/1) ... [2019-10-13 23:14:01,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11039f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:01, skipping insertion in model container [2019-10-13 23:14:01,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:01" (1/1) ... [2019-10-13 23:14:01,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:01,617 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:02,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:02,256 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:02,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:02,359 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:02,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02 WrapperNode [2019-10-13 23:14:02,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:02,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:02,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:02,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:02,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... [2019-10-13 23:14:02,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... [2019-10-13 23:14:02,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... [2019-10-13 23:14:02,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... [2019-10-13 23:14:02,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... [2019-10-13 23:14:02,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... [2019-10-13 23:14:02,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... [2019-10-13 23:14:02,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:02,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:02,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:02,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:02,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:04,103 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:04,104 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:04,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:04 BoogieIcfgContainer [2019-10-13 23:14:04,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:04,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:04,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:04,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:04,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:01" (1/3) ... [2019-10-13 23:14:04,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a00157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:04, skipping insertion in model container [2019-10-13 23:14:04,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:02" (2/3) ... [2019-10-13 23:14:04,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a00157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:04, skipping insertion in model container [2019-10-13 23:14:04,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:04" (3/3) ... [2019-10-13 23:14:04,114 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2019-10-13 23:14:04,124 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:04,135 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:04,146 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:04,179 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:04,179 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:04,179 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:04,180 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:04,180 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:04,180 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:04,180 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:04,181 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-10-13 23:14:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:04,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:04,222 INFO L380 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] [2019-10-13 23:14:04,225 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:04,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:04,232 INFO L82 PathProgramCache]: Analyzing trace with hash -335603628, now seen corresponding path program 1 times [2019-10-13 23:14:04,242 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:04,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854867982] [2019-10-13 23:14:04,242 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:04,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:04,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:04,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854867982] [2019-10-13 23:14:04,625 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:04,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:04,627 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560167664] [2019-10-13 23:14:04,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:04,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:04,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:04,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:04,647 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-10-13 23:14:04,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:04,677 INFO L93 Difference]: Finished difference Result 139 states and 168 transitions. [2019-10-13 23:14:04,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:04,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:04,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:04,692 INFO L225 Difference]: With dead ends: 139 [2019-10-13 23:14:04,692 INFO L226 Difference]: Without dead ends: 70 [2019-10-13 23:14:04,700 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-13 23:14:04,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-13 23:14:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-13 23:14:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2019-10-13 23:14:04,748 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 42 [2019-10-13 23:14:04,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:04,749 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2019-10-13 23:14:04,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2019-10-13 23:14:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:04,752 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:04,753 INFO L380 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] [2019-10-13 23:14:04,753 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:04,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:04,754 INFO L82 PathProgramCache]: Analyzing trace with hash -231182506, now seen corresponding path program 1 times [2019-10-13 23:14:04,754 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:04,754 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572621281] [2019-10-13 23:14:04,754 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:04,754 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:04,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:04,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572621281] [2019-10-13 23:14:04,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:04,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:04,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137253165] [2019-10-13 23:14:04,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:04,861 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:04,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:04,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:04,862 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 3 states. [2019-10-13 23:14:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:04,891 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2019-10-13 23:14:04,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:04,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:04,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:04,897 INFO L225 Difference]: With dead ends: 97 [2019-10-13 23:14:04,897 INFO L226 Difference]: Without dead ends: 62 [2019-10-13 23:14:04,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:04,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-13 23:14:04,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-10-13 23:14:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-13 23:14:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2019-10-13 23:14:04,913 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 43 [2019-10-13 23:14:04,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:04,914 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2019-10-13 23:14:04,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2019-10-13 23:14:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:14:04,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:04,916 INFO L380 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] [2019-10-13 23:14:04,916 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:04,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:04,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1693961167, now seen corresponding path program 1 times [2019-10-13 23:14:04,917 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:04,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916120038] [2019-10-13 23:14:04,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:04,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:04,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:05,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916120038] [2019-10-13 23:14:05,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:05,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:05,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944601082] [2019-10-13 23:14:05,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:05,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:05,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:05,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:05,110 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 7 states. [2019-10-13 23:14:05,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:05,412 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2019-10-13 23:14:05,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:05,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 23:14:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:05,414 INFO L225 Difference]: With dead ends: 102 [2019-10-13 23:14:05,415 INFO L226 Difference]: Without dead ends: 62 [2019-10-13 23:14:05,416 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-13 23:14:05,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-10-13 23:14:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-13 23:14:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-10-13 23:14:05,424 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 45 [2019-10-13 23:14:05,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:05,425 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-10-13 23:14:05,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-10-13 23:14:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 23:14:05,427 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:05,427 INFO L380 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] [2019-10-13 23:14:05,427 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:05,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:05,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1283995517, now seen corresponding path program 1 times [2019-10-13 23:14:05,428 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:05,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382841829] [2019-10-13 23:14:05,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:05,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:05,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:05,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382841829] [2019-10-13 23:14:05,526 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:05,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:05,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425491826] [2019-10-13 23:14:05,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:05,528 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:05,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:05,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:05,528 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 6 states. [2019-10-13 23:14:05,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:05,703 INFO L93 Difference]: Finished difference Result 135 states and 150 transitions. [2019-10-13 23:14:05,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:05,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2019-10-13 23:14:05,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:05,708 INFO L225 Difference]: With dead ends: 135 [2019-10-13 23:14:05,709 INFO L226 Difference]: Without dead ends: 95 [2019-10-13 23:14:05,710 INFO L600 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 [2019-10-13 23:14:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-13 23:14:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2019-10-13 23:14:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-10-13 23:14:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-10-13 23:14:05,726 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 48 [2019-10-13 23:14:05,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:05,726 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-10-13 23:14:05,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:05,727 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-10-13 23:14:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:14:05,729 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:05,729 INFO L380 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] [2019-10-13 23:14:05,729 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:05,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:05,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1629078728, now seen corresponding path program 1 times [2019-10-13 23:14:05,730 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:05,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340696168] [2019-10-13 23:14:05,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:05,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:05,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:05,821 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340696168] [2019-10-13 23:14:05,822 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:05,822 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:05,822 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796586795] [2019-10-13 23:14:05,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:05,823 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:05,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:05,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:05,824 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 6 states. [2019-10-13 23:14:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:05,971 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2019-10-13 23:14:05,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:05,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-13 23:14:05,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:05,973 INFO L225 Difference]: With dead ends: 153 [2019-10-13 23:14:05,973 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:05,974 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:05,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:05,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:05,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-10-13 23:14:05,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:05,976 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:05,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:05,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:05,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:06,488 INFO L443 ceAbstractionStarter]: For program point L574(lines 551 575) no Hoare annotation was computed. [2019-10-13 23:14:06,488 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 562) no Hoare annotation was computed. [2019-10-13 23:14:06,488 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2019-10-13 23:14:06,488 INFO L443 ceAbstractionStarter]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2019-10-13 23:14:06,488 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2019-10-13 23:14:06,488 INFO L443 ceAbstractionStarter]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2019-10-13 23:14:06,489 INFO L443 ceAbstractionStarter]: For program point L635(lines 608 636) no Hoare annotation was computed. [2019-10-13 23:14:06,489 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2019-10-13 23:14:06,489 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-13 23:14:06,489 INFO L443 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2019-10-13 23:14:06,489 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2019-10-13 23:14:06,489 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2019-10-13 23:14:06,489 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 619) no Hoare annotation was computed. [2019-10-13 23:14:06,490 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2019-10-13 23:14:06,490 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2019-10-13 23:14:06,490 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2019-10-13 23:14:06,490 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2019-10-13 23:14:06,490 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:14:06,490 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 23:14:06,491 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,491 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,491 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,491 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,492 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 23:14:06,492 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,492 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,492 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 23:14:06,492 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:06,493 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 23:14:06,493 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:06,493 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 23:14:06,493 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 23:14:06,493 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 23:14:06,493 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 23:14:06,493 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 23:14:06,494 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 23:14:06,494 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 23:14:06,494 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 23:14:06,494 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 23:14:06,494 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 23:14:06,494 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 23:14:06,494 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 23:14:06,495 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 23:14:06,495 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 23:14:06,495 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 328 336) no Hoare annotation was computed. [2019-10-13 23:14:06,495 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 328 336) the Hoare annotation is: true [2019-10-13 23:14:06,495 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-10-13 23:14:06,495 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-10-13 23:14:06,495 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 337 372) no Hoare annotation was computed. [2019-10-13 23:14:06,496 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 337 372) no Hoare annotation was computed. [2019-10-13 23:14:06,496 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2019-10-13 23:14:06,496 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2019-10-13 23:14:06,496 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2019-10-13 23:14:06,496 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2019-10-13 23:14:06,496 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,496 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:14:06,497 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 23:14:06,497 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2019-10-13 23:14:06,497 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2019-10-13 23:14:06,497 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-10-13 23:14:06,497 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 317 327) no Hoare annotation was computed. [2019-10-13 23:14:06,497 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 317 327) no Hoare annotation was computed. [2019-10-13 23:14:06,497 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-13 23:14:06,498 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 309 316) no Hoare annotation was computed. [2019-10-13 23:14:06,498 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2019-10-13 23:14:06,498 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 300) no Hoare annotation was computed. [2019-10-13 23:14:06,498 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 294 300) the Hoare annotation is: true [2019-10-13 23:14:06,498 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 374 437) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,498 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 374 437) no Hoare annotation was computed. [2019-10-13 23:14:06,499 INFO L439 ceAbstractionStarter]: At program point L430(lines 383 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:06,499 INFO L439 ceAbstractionStarter]: At program point L420-2(lines 414 425) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:06,499 INFO L443 ceAbstractionStarter]: For program point L385(lines 384 429) no Hoare annotation was computed. [2019-10-13 23:14:06,499 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:06,499 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-10-13 23:14:06,499 INFO L443 ceAbstractionStarter]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2019-10-13 23:14:06,500 INFO L439 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:06,500 INFO L439 ceAbstractionStarter]: At program point L427(lines 384 429) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:14:06,500 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-10-13 23:14:06,500 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2019-10-13 23:14:06,500 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 374 437) no Hoare annotation was computed. [2019-10-13 23:14:06,500 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2019-10-13 23:14:06,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2019-10-13 23:14:06,501 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2019-10-13 23:14:06,501 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2019-10-13 23:14:06,501 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2019-10-13 23:14:06,501 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2019-10-13 23:14:06,501 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 673) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point L715(lines 693 716) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 690) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point L695(lines 694 714) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-13 23:14:06,502 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-10-13 23:14:06,503 INFO L443 ceAbstractionStarter]: For program point L691(lines 691 732) no Hoare annotation was computed. [2019-10-13 23:14:06,503 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2019-10-13 23:14:06,503 INFO L443 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2019-10-13 23:14:06,503 INFO L443 ceAbstractionStarter]: For program point L710-1(line 710) no Hoare annotation was computed. [2019-10-13 23:14:06,503 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:06,503 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:06,504 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2019-10-13 23:14:06,504 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 301 308) no Hoare annotation was computed. [2019-10-13 23:14:06,504 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2019-10-13 23:14:06,504 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2019-10-13 23:14:06,504 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2019-10-13 23:14:06,504 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2019-10-13 23:14:06,504 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:06,504 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:06,505 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-10-13 23:14:06,505 INFO L446 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: true [2019-10-13 23:14:06,505 INFO L439 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:06,505 INFO L443 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2019-10-13 23:14:06,505 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: true [2019-10-13 23:14:06,505 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2019-10-13 23:14:06,506 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2019-10-13 23:14:06,506 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 23:14:06,506 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 23:14:06,506 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 23:14:06,506 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 23:14:06,506 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 23:14:06,506 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 23:14:06,507 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 23:14:06,507 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 23:14:06,507 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 23:14:06,507 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2019-10-13 23:14:06,507 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2019-10-13 23:14:06,507 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2019-10-13 23:14:06,507 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2019-10-13 23:14:06,508 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 23:14:06,508 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 23:14:06,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:06,508 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:06,508 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:06,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:06,509 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2019-10-13 23:14:06,509 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2019-10-13 23:14:06,509 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2019-10-13 23:14:06,509 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 466 473) the Hoare annotation is: true [2019-10-13 23:14:06,509 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 466 473) no Hoare annotation was computed. [2019-10-13 23:14:06,509 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-13 23:14:06,509 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 461) no Hoare annotation was computed. [2019-10-13 23:14:06,510 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 440 464) no Hoare annotation was computed. [2019-10-13 23:14:06,510 INFO L446 ceAbstractionStarter]: At program point L446(line 446) the Hoare annotation is: true [2019-10-13 23:14:06,510 INFO L443 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2019-10-13 23:14:06,510 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 440 464) the Hoare annotation is: true [2019-10-13 23:14:06,510 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 440 464) no Hoare annotation was computed. [2019-10-13 23:14:06,510 INFO L439 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:06,510 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2019-10-13 23:14:06,511 INFO L439 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:06,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:06 BoogieIcfgContainer [2019-10-13 23:14:06,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:06,528 INFO L168 Benchmark]: Toolchain (without parser) took 4987.25 ms. Allocated memory was 144.2 MB in the beginning and 246.4 MB in the end (delta: 102.2 MB). Free memory was 99.9 MB in the beginning and 193.6 MB in the end (delta: -93.6 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:06,529 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:06,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.87 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 99.7 MB in the beginning and 174.2 MB in the end (delta: -74.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:06,532 INFO L168 Benchmark]: Boogie Preprocessor took 96.61 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 170.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:06,533 INFO L168 Benchmark]: RCFGBuilder took 1647.87 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.1 MB in the beginning and 161.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:06,534 INFO L168 Benchmark]: TraceAbstraction took 2418.26 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 161.7 MB in the beginning and 193.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:06,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 819.87 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 99.7 MB in the beginning and 174.2 MB in the end (delta: -74.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.61 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 170.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1647.87 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.1 MB in the beginning and 161.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2418.26 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 161.7 MB in the beginning and 193.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: 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: 384]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || 0 == splverifierCounter - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 150 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 343 SDtfs, 122 SDslu, 543 SDs, 0 SdLazy, 161 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 151 PreInvPairs, 163 NumberOfFragments, 277 HoareAnnotationTreeSize, 151 FomulaSimplifications, 61 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 567 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 18598 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...