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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:40,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:40,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:40,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:40,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:40,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:40,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:40,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:40,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:40,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:40,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:40,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:40,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:40,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:40,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:40,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:40,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:40,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:40,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:40,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:40,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:40,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:40,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:40,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:40,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:40,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:40,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:40,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:40,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:40,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:40,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:40,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:40,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:40,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:40,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:40,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:40,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:40,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:40,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:40,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:40,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:40,420 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 [2019-10-15 01:20:40,435 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:40,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:40,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:40,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:40,437 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:40,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:40,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:40,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:40,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:40,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:40,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:40,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:40,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:40,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:40,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:40,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:40,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:40,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:40,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:40,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:40,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:40,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:40,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:40,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:40,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:40,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:40,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:40,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:40,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:40,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:40,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:40,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:40,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:40,725 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:40,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-10-15 01:20:40,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f253f13/d78afe5ac3e247fca8817d1c42c35be6/FLAGe5ab75f41 [2019-10-15 01:20:41,308 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:41,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-10-15 01:20:41,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f253f13/d78afe5ac3e247fca8817d1c42c35be6/FLAGe5ab75f41 [2019-10-15 01:20:41,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f253f13/d78afe5ac3e247fca8817d1c42c35be6 [2019-10-15 01:20:41,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:41,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:41,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:41,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:41,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:41,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:41" (1/1) ... [2019-10-15 01:20:41,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d46bbee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:41, skipping insertion in model container [2019-10-15 01:20:41,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:41" (1/1) ... [2019-10-15 01:20:41,650 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:41,708 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:42,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:42,143 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:42,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:42,275 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:42,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42 WrapperNode [2019-10-15 01:20:42,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:42,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:42,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:42,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:42,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (1/1) ... [2019-10-15 01:20:42,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (1/1) ... [2019-10-15 01:20:42,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (1/1) ... [2019-10-15 01:20:42,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (1/1) ... [2019-10-15 01:20:42,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (1/1) ... [2019-10-15 01:20:42,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (1/1) ... [2019-10-15 01:20:42,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (1/1) ... [2019-10-15 01:20:42,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:42,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:42,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:42,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:42,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (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 [2019-10-15 01:20:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:43,568 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:43,569 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:43,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:43 BoogieIcfgContainer [2019-10-15 01:20:43,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:43,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:43,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:43,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:43,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:41" (1/3) ... [2019-10-15 01:20:43,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692fa7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:43, skipping insertion in model container [2019-10-15 01:20:43,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:42" (2/3) ... [2019-10-15 01:20:43,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692fa7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:43, skipping insertion in model container [2019-10-15 01:20:43,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:43" (3/3) ... [2019-10-15 01:20:43,578 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2019-10-15 01:20:43,587 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:43,595 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:43,606 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:43,643 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:43,643 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:43,643 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:43,644 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:43,644 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:43,644 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:43,644 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:43,644 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2019-10-15 01:20:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:20:43,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:43,675 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] [2019-10-15 01:20:43,677 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:43,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:43,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1732377001, now seen corresponding path program 1 times [2019-10-15 01:20:43,693 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:43,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666642937] [2019-10-15 01:20:43,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:43,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:43,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:44,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666642937] [2019-10-15 01:20:44,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:44,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:44,032 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329095727] [2019-10-15 01:20:44,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:44,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:44,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:44,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:44,054 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2019-10-15 01:20:44,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:44,092 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2019-10-15 01:20:44,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:44,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:20:44,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:44,106 INFO L225 Difference]: With dead ends: 204 [2019-10-15 01:20:44,106 INFO L226 Difference]: Without dead ends: 102 [2019-10-15 01:20:44,110 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 [2019-10-15 01:20:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-10-15 01:20:44,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-10-15 01:20:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-15 01:20:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2019-10-15 01:20:44,163 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2019-10-15 01:20:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:44,164 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2019-10-15 01:20:44,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2019-10-15 01:20:44,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:20:44,167 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:44,167 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] [2019-10-15 01:20:44,168 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:44,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:44,168 INFO L82 PathProgramCache]: Analyzing trace with hash -649161626, now seen corresponding path program 1 times [2019-10-15 01:20:44,169 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:44,169 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91641734] [2019-10-15 01:20:44,169 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:44,169 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:44,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:44,318 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91641734] [2019-10-15 01:20:44,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:44,318 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:44,318 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788162894] [2019-10-15 01:20:44,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:44,322 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:44,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:44,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:44,323 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2019-10-15 01:20:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:44,359 INFO L93 Difference]: Finished difference Result 153 states and 175 transitions. [2019-10-15 01:20:44,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:44,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:20:44,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:44,362 INFO L225 Difference]: With dead ends: 153 [2019-10-15 01:20:44,363 INFO L226 Difference]: Without dead ends: 93 [2019-10-15 01:20:44,364 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 [2019-10-15 01:20:44,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-15 01:20:44,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-10-15 01:20:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-15 01:20:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2019-10-15 01:20:44,389 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2019-10-15 01:20:44,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:44,389 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2019-10-15 01:20:44,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2019-10-15 01:20:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:44,396 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:44,396 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] [2019-10-15 01:20:44,396 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:44,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:44,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1083619530, now seen corresponding path program 1 times [2019-10-15 01:20:44,397 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:44,397 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423650850] [2019-10-15 01:20:44,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:44,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:44,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:44,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423650850] [2019-10-15 01:20:44,577 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:44,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:44,578 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140568130] [2019-10-15 01:20:44,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:44,578 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:44,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:44,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:44,579 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 7 states. [2019-10-15 01:20:44,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:44,876 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2019-10-15 01:20:44,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:44,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:20:44,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:44,881 INFO L225 Difference]: With dead ends: 162 [2019-10-15 01:20:44,882 INFO L226 Difference]: Without dead ends: 93 [2019-10-15 01:20:44,883 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 [2019-10-15 01:20:44,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-15 01:20:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2019-10-15 01:20:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-15 01:20:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2019-10-15 01:20:44,902 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2019-10-15 01:20:44,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:44,911 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2019-10-15 01:20:44,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2019-10-15 01:20:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:20:44,913 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:44,916 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:44,916 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:44,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:44,917 INFO L82 PathProgramCache]: Analyzing trace with hash 285215055, now seen corresponding path program 1 times [2019-10-15 01:20:44,917 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:44,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315465157] [2019-10-15 01:20:44,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:44,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:44,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:45,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315465157] [2019-10-15 01:20:45,126 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:45,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:45,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674230690] [2019-10-15 01:20:45,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:45,128 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:45,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:45,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:45,129 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 10 states. [2019-10-15 01:20:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:45,639 INFO L93 Difference]: Finished difference Result 280 states and 341 transitions. [2019-10-15 01:20:45,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:20:45,641 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2019-10-15 01:20:45,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:45,648 INFO L225 Difference]: With dead ends: 280 [2019-10-15 01:20:45,649 INFO L226 Difference]: Without dead ends: 211 [2019-10-15 01:20:45,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2019-10-15 01:20:45,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2019-10-15 01:20:45,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-10-15 01:20:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 243 transitions. [2019-10-15 01:20:45,703 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 243 transitions. Word has length 59 [2019-10-15 01:20:45,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:45,705 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 243 transitions. [2019-10-15 01:20:45,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2019-10-15 01:20:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-15 01:20:45,717 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:45,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:45,717 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:45,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1313856779, now seen corresponding path program 1 times [2019-10-15 01:20:45,718 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:45,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24351992] [2019-10-15 01:20:45,718 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:45,718 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:45,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:45,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24351992] [2019-10-15 01:20:45,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:45,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:45,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888610833] [2019-10-15 01:20:45,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:45,810 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:45,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:45,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:45,811 INFO L87 Difference]: Start difference. First operand 207 states and 243 transitions. Second operand 3 states. [2019-10-15 01:20:45,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:45,826 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2019-10-15 01:20:45,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:45,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-10-15 01:20:45,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:45,828 INFO L225 Difference]: With dead ends: 332 [2019-10-15 01:20:45,828 INFO L226 Difference]: Without dead ends: 149 [2019-10-15 01:20:45,830 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:45,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-15 01:20:45,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-15 01:20:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-15 01:20:45,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2019-10-15 01:20:45,843 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 63 [2019-10-15 01:20:45,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:45,843 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2019-10-15 01:20:45,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2019-10-15 01:20:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:20:45,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:45,845 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:20:45,846 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:45,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:45,846 INFO L82 PathProgramCache]: Analyzing trace with hash -670473657, now seen corresponding path program 1 times [2019-10-15 01:20:45,846 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:45,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379248281] [2019-10-15 01:20:45,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:45,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:45,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 01:20:45,966 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379248281] [2019-10-15 01:20:45,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087070647] [2019-10-15 01:20:45,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:46,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:20:46,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:46,336 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:46,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:46,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-15 01:20:46,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [113476461] [2019-10-15 01:20:46,590 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 99 [2019-10-15 01:20:46,628 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:46,629 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:46,691 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:46,692 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-15 01:20:46,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:46,697 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:46,738 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:46,738 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:46,741 INFO L553 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2019-10-15 01:20:46,741 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:46,742 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:46,742 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:20:46,743 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972865974] [2019-10-15 01:20:46,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:46,744 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:46,744 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:46,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:46,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:46,745 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 2 states. [2019-10-15 01:20:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:46,748 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2019-10-15 01:20:46,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:46,748 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 98 [2019-10-15 01:20:46,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:46,748 INFO L225 Difference]: With dead ends: 149 [2019-10-15 01:20:46,748 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:46,749 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:46,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:46,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2019-10-15 01:20:46,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:46,751 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:46,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:46,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:46,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:46,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:46,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:47,120 INFO L443 ceAbstractionStarter]: For program point L225(lines 202 226) no Hoare annotation was computed. [2019-10-15 01:20:47,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2019-10-15 01:20:47,121 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 213) no Hoare annotation was computed. [2019-10-15 01:20:47,121 INFO L443 ceAbstractionStarter]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2019-10-15 01:20:47,121 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-15 01:20:47,121 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2019-10-15 01:20:47,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2019-10-15 01:20:47,122 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2019-10-15 01:20:47,122 INFO L443 ceAbstractionStarter]: For program point L286(lines 259 287) no Hoare annotation was computed. [2019-10-15 01:20:47,122 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-15 01:20:47,122 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-15 01:20:47,122 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2019-10-15 01:20:47,122 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2019-10-15 01:20:47,122 INFO L443 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2019-10-15 01:20:47,123 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2019-10-15 01:20:47,123 INFO L443 ceAbstractionStarter]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2019-10-15 01:20:47,123 INFO L443 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2019-10-15 01:20:47,123 INFO L443 ceAbstractionStarter]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2019-10-15 01:20:47,123 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2019-10-15 01:20:47,124 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2019-10-15 01:20:47,124 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2019-10-15 01:20:47,125 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2019-10-15 01:20:47,126 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2019-10-15 01:20:47,126 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2019-10-15 01:20:47,126 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2019-10-15 01:20:47,126 INFO L446 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: true [2019-10-15 01:20:47,126 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2019-10-15 01:20:47,126 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-10-15 01:20:47,127 INFO L443 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2019-10-15 01:20:47,127 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2019-10-15 01:20:47,127 INFO L443 ceAbstractionStarter]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2019-10-15 01:20:47,134 INFO L446 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2019-10-15 01:20:47,134 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-10-15 01:20:47,134 INFO L446 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: true [2019-10-15 01:20:47,134 INFO L446 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: true [2019-10-15 01:20:47,134 INFO L446 ceAbstractionStarter]: At program point L576-1(line 576) the Hoare annotation is: true [2019-10-15 01:20:47,134 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 570 592) the Hoare annotation is: true [2019-10-15 01:20:47,134 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2019-10-15 01:20:47,135 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2019-10-15 01:20:47,135 INFO L446 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2019-10-15 01:20:47,135 INFO L446 ceAbstractionStarter]: At program point L582-1(line 582) the Hoare annotation is: true [2019-10-15 01:20:47,135 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2019-10-15 01:20:47,135 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2019-10-15 01:20:47,135 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-15 01:20:47,135 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 525 548) no Hoare annotation was computed. [2019-10-15 01:20:47,135 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-15 01:20:47,136 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-15 01:20:47,136 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-15 01:20:47,136 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 525 548) no Hoare annotation was computed. [2019-10-15 01:20:47,136 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-15 01:20:47,139 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 525 548) no Hoare annotation was computed. [2019-10-15 01:20:47,139 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-15 01:20:47,139 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-15 01:20:47,139 INFO L443 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2019-10-15 01:20:47,139 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-15 01:20:47,139 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-15 01:20:47,140 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-15 01:20:47,140 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-15 01:20:47,140 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-15 01:20:47,140 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-15 01:20:47,140 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-15 01:20:47,140 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2019-10-15 01:20:47,140 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2019-10-15 01:20:47,141 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2019-10-15 01:20:47,141 INFO L443 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2019-10-15 01:20:47,141 INFO L443 ceAbstractionStarter]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2019-10-15 01:20:47,141 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-15 01:20:47,141 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-15 01:20:47,142 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 759 794) no Hoare annotation was computed. [2019-10-15 01:20:47,142 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 786) no Hoare annotation was computed. [2019-10-15 01:20:47,142 INFO L443 ceAbstractionStarter]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2019-10-15 01:20:47,142 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 759 794) no Hoare annotation was computed. [2019-10-15 01:20:47,142 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 759 794) no Hoare annotation was computed. [2019-10-15 01:20:47,142 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2019-10-15 01:20:47,142 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2019-10-15 01:20:47,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2019-10-15 01:20:47,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2019-10-15 01:20:47,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2019-10-15 01:20:47,143 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2019-10-15 01:20:47,143 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 472) no Hoare annotation was computed. [2019-10-15 01:20:47,143 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 479) no Hoare annotation was computed. [2019-10-15 01:20:47,143 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2019-10-15 01:20:47,144 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2019-10-15 01:20:47,144 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2019-10-15 01:20:47,144 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: true [2019-10-15 01:20:47,144 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2019-10-15 01:20:47,144 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2019-10-15 01:20:47,144 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2019-10-15 01:20:47,144 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2019-10-15 01:20:47,145 INFO L446 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2019-10-15 01:20:47,145 INFO L443 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2019-10-15 01:20:47,145 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2019-10-15 01:20:47,145 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2019-10-15 01:20:47,145 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2019-10-15 01:20:47,145 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2019-10-15 01:20:47,145 INFO L446 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2019-10-15 01:20:47,145 INFO L443 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2019-10-15 01:20:47,146 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2019-10-15 01:20:47,146 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2019-10-15 01:20:47,146 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: true [2019-10-15 01:20:47,146 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-15 01:20:47,146 INFO L443 ceAbstractionStarter]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2019-10-15 01:20:47,146 INFO L446 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: true [2019-10-15 01:20:47,146 INFO L446 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: true [2019-10-15 01:20:47,146 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2019-10-15 01:20:47,147 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2019-10-15 01:20:47,147 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2019-10-15 01:20:47,147 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2019-10-15 01:20:47,148 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 594 657) the Hoare annotation is: true [2019-10-15 01:20:47,148 INFO L446 ceAbstractionStarter]: At program point L640-2(lines 634 645) the Hoare annotation is: true [2019-10-15 01:20:47,148 INFO L443 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2019-10-15 01:20:47,148 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2019-10-15 01:20:47,148 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2019-10-15 01:20:47,148 INFO L446 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: true [2019-10-15 01:20:47,148 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2019-10-15 01:20:47,149 INFO L443 ceAbstractionStarter]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2019-10-15 01:20:47,149 INFO L446 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: true [2019-10-15 01:20:47,149 INFO L446 ceAbstractionStarter]: At program point L647(lines 604 649) the Hoare annotation is: true [2019-10-15 01:20:47,149 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2019-10-15 01:20:47,149 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2019-10-15 01:20:47,149 INFO L443 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-10-15 01:20:47,149 INFO L446 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: true [2019-10-15 01:20:47,149 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 433) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 426) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-15 01:20:47,150 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 395) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2019-10-15 01:20:47,151 INFO L443 ceAbstractionStarter]: For program point L366(lines 344 367) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point L325(lines 325 341) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point L385(lines 385 392) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point L346(lines 345 365) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 383) no Hoare annotation was computed. [2019-10-15 01:20:47,152 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2019-10-15 01:20:47,153 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-10-15 01:20:47,153 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-15 01:20:47,153 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 833 842) no Hoare annotation was computed. [2019-10-15 01:20:47,153 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 833 842) no Hoare annotation was computed. [2019-10-15 01:20:47,153 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 833 842) no Hoare annotation was computed. [2019-10-15 01:20:47,153 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:47,153 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:47,153 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:47,154 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 723 730) no Hoare annotation was computed. [2019-10-15 01:20:47,154 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 723 730) no Hoare annotation was computed. [2019-10-15 01:20:47,154 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 723 730) no Hoare annotation was computed. [2019-10-15 01:20:47,157 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-15 01:20:47,157 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2019-10-15 01:20:47,157 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-15 01:20:47,157 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-15 01:20:47,157 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2019-10-15 01:20:47,157 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-15 01:20:47,157 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:47,158 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:47,158 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:47,158 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-15 01:20:47,158 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2019-10-15 01:20:47,158 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-15 01:20:47,158 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-10-15 01:20:47,158 INFO L443 ceAbstractionStarter]: For program point L670(lines 669 688) no Hoare annotation was computed. [2019-10-15 01:20:47,158 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: true [2019-10-15 01:20:47,159 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2019-10-15 01:20:47,159 INFO L446 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: true [2019-10-15 01:20:47,159 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2019-10-15 01:20:47,159 INFO L446 ceAbstractionStarter]: At program point L677(lines 677 683) the Hoare annotation is: true [2019-10-15 01:20:47,159 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2019-10-15 01:20:47,159 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2019-10-15 01:20:47,159 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-10-15 01:20:47,160 INFO L446 ceAbstractionStarter]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2019-10-15 01:20:47,160 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-15 01:20:47,160 INFO L446 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2019-10-15 01:20:47,160 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-15 01:20:47,160 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-10-15 01:20:47,160 INFO L446 ceAbstractionStarter]: At program point L519(lines 494 523) the Hoare annotation is: true [2019-10-15 01:20:47,161 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-15 01:20:47,161 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-15 01:20:47,161 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-15 01:20:47,161 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2019-10-15 01:20:47,161 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2019-10-15 01:20:47,161 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2019-10-15 01:20:47,161 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:47,161 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:47,162 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:47,162 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:47,162 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2019-10-15 01:20:47,162 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-15 01:20:47,162 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-15 01:20:47,162 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2019-10-15 01:20:47,162 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2019-10-15 01:20:47,163 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-10-15 01:20:47,163 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2019-10-15 01:20:47,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:47 BoogieIcfgContainer [2019-10-15 01:20:47,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:47,181 INFO L168 Benchmark]: Toolchain (without parser) took 5546.02 ms. Allocated memory was 144.2 MB in the beginning and 286.8 MB in the end (delta: 142.6 MB). Free memory was 102.7 MB in the beginning and 224.8 MB in the end (delta: -122.2 MB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:47,182 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:47,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.36 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:47,189 INFO L168 Benchmark]: Boogie Preprocessor took 83.85 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:47,190 INFO L168 Benchmark]: RCFGBuilder took 1210.35 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.2 MB in the beginning and 201.1 MB in the end (delta: -34.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:47,191 INFO L168 Benchmark]: TraceAbstraction took 3605.07 ms. Allocated memory was 235.4 MB in the beginning and 286.8 MB in the end (delta: 51.4 MB). Free memory was 201.1 MB in the beginning and 224.8 MB in the end (delta: -23.7 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:47,203 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 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.36 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.85 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1210.35 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.2 MB in the beginning and 201.1 MB in the end (delta: -34.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3605.07 ms. Allocated memory was 235.4 MB in the beginning and 286.8 MB in the end (delta: 51.4 MB). Free memory was 201.1 MB in the beginning and 224.8 MB in the end (delta: -23.7 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 537 SDtfs, 295 SDslu, 1076 SDs, 0 SdLazy, 355 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 262 PreInvPairs, 263 NumberOfFragments, 49 HoareAnnotationTreeSize, 262 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 87186 SizeOfPredicates, 3 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 84/93 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 107, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9690721649484536, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...