/usr/bin/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:16,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:16,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:16,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:16,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:16,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:16,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:16,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:16,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:16,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:16,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:16,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:16,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:16,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:16,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:16,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:16,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:16,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:16,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:16,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:16,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:16,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:16,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:16,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:16,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:16,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:16,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:16,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:16,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:16,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:16,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:16,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:16,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:16,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:16,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:16,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:16,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:16,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:16,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:16,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:16,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:16,284 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 [2019-11-07 01:01:16,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:16,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:16,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:16,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:16,300 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:16,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:16,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:16,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:16,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:16,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:16,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:16,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:16,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:16,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:16,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:16,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:16,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:16,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:16,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:16,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:16,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:16,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:16,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:16,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:16,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:16,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:16,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:16,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:16,305 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 [2019-11-07 01:01:16,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:16,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:16,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:16,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:16,630 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:16,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-11-07 01:01:16,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54d4bf10/b1bd33ecbbb14e86a0d68ec3a277ec24/FLAG158691f6f [2019-11-07 01:01:17,248 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:17,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-11-07 01:01:17,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54d4bf10/b1bd33ecbbb14e86a0d68ec3a277ec24/FLAG158691f6f [2019-11-07 01:01:17,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54d4bf10/b1bd33ecbbb14e86a0d68ec3a277ec24 [2019-11-07 01:01:17,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:17,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:17,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:17,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:17,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:17,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:17" (1/1) ... [2019-11-07 01:01:17,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3567630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:17, skipping insertion in model container [2019-11-07 01:01:17,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:17" (1/1) ... [2019-11-07 01:01:17,556 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:17,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:18,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:18,110 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:18,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:18,237 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:18,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18 WrapperNode [2019-11-07 01:01:18,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:18,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:18,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:18,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:18,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (1/1) ... [2019-11-07 01:01:18,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:18,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:18,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:18,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:18,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (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 [2019-11-07 01:01:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:18,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:18,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:01:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:01:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:01:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:01:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:19,477 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:19,478 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:19,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:19 BoogieIcfgContainer [2019-11-07 01:01:19,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:19,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:19,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:19,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:19,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:17" (1/3) ... [2019-11-07 01:01:19,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46610fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:19, skipping insertion in model container [2019-11-07 01:01:19,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:18" (2/3) ... [2019-11-07 01:01:19,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46610fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:19, skipping insertion in model container [2019-11-07 01:01:19,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:19" (3/3) ... [2019-11-07 01:01:19,490 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-11-07 01:01:19,500 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:19,508 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:19,519 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:19,545 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:19,545 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:19,546 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:19,546 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:19,547 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:19,547 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:19,547 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:19,548 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-11-07 01:01:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:19,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:19,590 INFO L410 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] [2019-11-07 01:01:19,592 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:19,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:19,598 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2019-11-07 01:01:19,608 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:19,608 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605411905] [2019-11-07 01:01:19,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:20,001 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605411905] [2019-11-07 01:01:20,002 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:20,002 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:20,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436559722] [2019-11-07 01:01:20,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:20,011 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:20,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:20,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:20,028 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2019-11-07 01:01:20,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:20,067 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2019-11-07 01:01:20,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:20,071 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:20,085 INFO L225 Difference]: With dead ends: 224 [2019-11-07 01:01:20,085 INFO L226 Difference]: Without dead ends: 112 [2019-11-07 01:01:20,092 INFO L630 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 [2019-11-07 01:01:20,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-07 01:01:20,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-11-07 01:01:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-07 01:01:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-11-07 01:01:20,177 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2019-11-07 01:01:20,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:20,178 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-11-07 01:01:20,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-11-07 01:01:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:20,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:20,184 INFO L410 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] [2019-11-07 01:01:20,185 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:20,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2019-11-07 01:01:20,185 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:20,186 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377492159] [2019-11-07 01:01:20,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:20,324 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377492159] [2019-11-07 01:01:20,324 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:20,326 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:20,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158350132] [2019-11-07 01:01:20,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:20,329 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:20,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:20,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:20,331 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2019-11-07 01:01:20,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:20,372 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2019-11-07 01:01:20,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:20,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:20,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:20,378 INFO L225 Difference]: With dead ends: 163 [2019-11-07 01:01:20,378 INFO L226 Difference]: Without dead ends: 103 [2019-11-07 01:01:20,382 INFO L630 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 [2019-11-07 01:01:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-07 01:01:20,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-11-07 01:01:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-07 01:01:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2019-11-07 01:01:20,409 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2019-11-07 01:01:20,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:20,410 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2019-11-07 01:01:20,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2019-11-07 01:01:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:01:20,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:20,421 INFO L410 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] [2019-11-07 01:01:20,421 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:20,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:20,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2019-11-07 01:01:20,422 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:20,422 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064550959] [2019-11-07 01:01:20,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:20,624 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064550959] [2019-11-07 01:01:20,624 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:20,625 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:20,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119836853] [2019-11-07 01:01:20,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:20,625 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:20,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:20,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:20,626 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2019-11-07 01:01:21,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:21,090 INFO L93 Difference]: Finished difference Result 311 states and 374 transitions. [2019-11-07 01:01:21,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:21,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 01:01:21,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:21,100 INFO L225 Difference]: With dead ends: 311 [2019-11-07 01:01:21,100 INFO L226 Difference]: Without dead ends: 232 [2019-11-07 01:01:21,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:21,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-11-07 01:01:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2019-11-07 01:01:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-11-07 01:01:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2019-11-07 01:01:21,175 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2019-11-07 01:01:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:21,176 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2019-11-07 01:01:21,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2019-11-07 01:01:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:01:21,186 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:21,187 INFO L410 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] [2019-11-07 01:01:21,187 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:21,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:21,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2019-11-07 01:01:21,188 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:21,188 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981223085] [2019-11-07 01:01:21,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:21,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:21,391 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981223085] [2019-11-07 01:01:21,391 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:21,391 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:21,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727005789] [2019-11-07 01:01:21,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:21,392 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:21,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:21,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:21,393 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2019-11-07 01:01:21,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:21,895 INFO L93 Difference]: Finished difference Result 760 states and 975 transitions. [2019-11-07 01:01:21,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:21,897 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-11-07 01:01:21,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:21,903 INFO L225 Difference]: With dead ends: 760 [2019-11-07 01:01:21,904 INFO L226 Difference]: Without dead ends: 564 [2019-11-07 01:01:21,906 INFO L630 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 [2019-11-07 01:01:21,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-11-07 01:01:21,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-11-07 01:01:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-11-07 01:01:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2019-11-07 01:01:21,977 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2019-11-07 01:01:21,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:21,977 INFO L462 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2019-11-07 01:01:21,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2019-11-07 01:01:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 01:01:21,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:21,981 INFO L410 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] [2019-11-07 01:01:21,982 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:21,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:21,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2019-11-07 01:01:21,982 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:21,983 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568578902] [2019-11-07 01:01:21,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:22,056 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568578902] [2019-11-07 01:01:22,056 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:22,056 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:01:22,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542426552] [2019-11-07 01:01:22,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:01:22,057 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:22,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:22,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:01:22,058 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2019-11-07 01:01:22,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:22,263 INFO L93 Difference]: Finished difference Result 936 states and 1192 transitions. [2019-11-07 01:01:22,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:22,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-11-07 01:01:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:22,270 INFO L225 Difference]: With dead ends: 936 [2019-11-07 01:01:22,270 INFO L226 Difference]: Without dead ends: 408 [2019-11-07 01:01:22,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-11-07 01:01:22,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-11-07 01:01:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-11-07 01:01:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-11-07 01:01:22,312 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-11-07 01:01:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:22,313 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-11-07 01:01:22,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:01:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-11-07 01:01:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:01:22,317 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:22,317 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:22,317 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:22,318 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2019-11-07 01:01:22,318 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:22,318 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444861636] [2019-11-07 01:01:22,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:01:22,463 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444861636] [2019-11-07 01:01:22,463 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078829227] [2019-11-07 01:01:22,463 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 [2019-11-07 01:01:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:22,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:01:22,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:22,788 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:22,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:23,081 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1029981238] [2019-11-07 01:01:23,087 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-11-07 01:01:23,141 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:23,141 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:23,226 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:23,227 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. [2019-11-07 01:01:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:23,232 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:23,296 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:23,296 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:23,302 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-11-07 01:01:23,303 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:23,303 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:23,304 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-11-07 01:01:23,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044012301] [2019-11-07 01:01:23,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:23,305 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:23,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:23,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:23,306 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-11-07 01:01:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:23,313 INFO L93 Difference]: Finished difference Result 396 states and 458 transitions. [2019-11-07 01:01:23,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:23,314 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-11-07 01:01:23,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:23,314 INFO L225 Difference]: With dead ends: 396 [2019-11-07 01:01:23,314 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:23,316 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:23,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-11-07 01:01:23,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:23,317 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:23,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:23,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:23,521 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:23,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:23,775 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 350) no Hoare annotation was computed. [2019-11-07 01:01:23,775 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2019-11-07 01:01:23,775 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-11-07 01:01:23,775 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 315 370) no Hoare annotation was computed. [2019-11-07 01:01:23,775 INFO L443 ceAbstractionStarter]: For program point L340-2(lines 340 361) no Hoare annotation was computed. [2019-11-07 01:01:23,776 INFO L443 ceAbstractionStarter]: For program point L362(lines 339 363) no Hoare annotation was computed. [2019-11-07 01:01:23,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 315 370) no Hoare annotation was computed. [2019-11-07 01:01:23,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 315 370) no Hoare annotation was computed. [2019-11-07 01:01:23,776 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-07 01:01:23,776 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-11-07 01:01:23,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 371 430) no Hoare annotation was computed. [2019-11-07 01:01:23,776 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 407) no Hoare annotation was computed. [2019-11-07 01:01:23,777 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 407) no Hoare annotation was computed. [2019-11-07 01:01:23,777 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 371 430) no Hoare annotation was computed. [2019-11-07 01:01:23,777 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-07 01:01:23,777 INFO L443 ceAbstractionStarter]: For program point L397-2(lines 397 422) no Hoare annotation was computed. [2019-11-07 01:01:23,777 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 371 430) no Hoare annotation was computed. [2019-11-07 01:01:23,778 INFO L443 ceAbstractionStarter]: For program point L423(lines 396 424) no Hoare annotation was computed. [2019-11-07 01:01:23,778 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2019-11-07 01:01:23,778 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2019-11-07 01:01:23,778 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2019-11-07 01:01:23,778 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2019-11-07 01:01:23,778 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2019-11-07 01:01:23,779 INFO L446 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: true [2019-11-07 01:01:23,779 INFO L443 ceAbstractionStarter]: For program point L641-1(line 641) no Hoare annotation was computed. [2019-11-07 01:01:23,779 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2019-11-07 01:01:23,779 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2019-11-07 01:01:23,779 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2019-11-07 01:01:23,779 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-11-07 01:01:23,779 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-11-07 01:01:23,780 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2019-11-07 01:01:23,781 INFO L446 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: true [2019-11-07 01:01:23,782 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-07 01:01:23,782 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: true [2019-11-07 01:01:23,782 INFO L446 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: true [2019-11-07 01:01:23,783 INFO L446 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: true [2019-11-07 01:01:23,784 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-11-07 01:01:23,784 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2019-11-07 01:01:23,785 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2019-11-07 01:01:23,785 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-11-07 01:01:23,785 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-11-07 01:01:23,786 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-11-07 01:01:23,786 INFO L446 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: true [2019-11-07 01:01:23,786 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2019-11-07 01:01:23,786 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 197 220) no Hoare annotation was computed. [2019-11-07 01:01:23,786 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 197 220) no Hoare annotation was computed. [2019-11-07 01:01:23,786 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 197 220) no Hoare annotation was computed. [2019-11-07 01:01:23,786 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-11-07 01:01:23,786 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-11-07 01:01:23,787 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-11-07 01:01:23,789 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-11-07 01:01:23,789 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-11-07 01:01:23,789 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-11-07 01:01:23,789 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-11-07 01:01:23,789 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2019-11-07 01:01:23,790 INFO L446 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2019-11-07 01:01:23,791 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-11-07 01:01:23,791 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: true [2019-11-07 01:01:23,791 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2019-11-07 01:01:23,791 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2019-11-07 01:01:23,791 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2019-11-07 01:01:23,791 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2019-11-07 01:01:23,791 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 772) no Hoare annotation was computed. [2019-11-07 01:01:23,791 INFO L443 ceAbstractionStarter]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2019-11-07 01:01:23,791 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 784) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L443 ceAbstractionStarter]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2019-11-07 01:01:23,792 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 269 314) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 269 314) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 269 314) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 609) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 582 627) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 616) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 582 627) no Hoare annotation was computed. [2019-11-07 01:01:23,793 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 582 627) no Hoare annotation was computed. [2019-11-07 01:01:23,794 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: true [2019-11-07 01:01:23,794 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2019-11-07 01:01:23,794 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2019-11-07 01:01:23,794 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2019-11-07 01:01:23,794 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2019-11-07 01:01:23,794 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2019-11-07 01:01:23,794 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-11-07 01:01:23,794 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-11-07 01:01:23,795 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2019-11-07 01:01:23,795 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2019-11-07 01:01:23,795 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2019-11-07 01:01:23,795 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2019-11-07 01:01:23,795 INFO L446 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: true [2019-11-07 01:01:23,795 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-11-07 01:01:23,795 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2019-11-07 01:01:23,795 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2019-11-07 01:01:23,795 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: true [2019-11-07 01:01:23,796 INFO L446 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: true [2019-11-07 01:01:23,796 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2019-11-07 01:01:23,796 INFO L446 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2019-11-07 01:01:23,796 INFO L446 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: true [2019-11-07 01:01:23,796 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2019-11-07 01:01:23,797 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2019-11-07 01:01:23,797 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-11-07 01:01:23,797 INFO L446 ceAbstractionStarter]: At program point L865-1(lines 857 872) the Hoare annotation is: true [2019-11-07 01:01:23,797 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 817 884) the Hoare annotation is: true [2019-11-07 01:01:23,797 INFO L443 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2019-11-07 01:01:23,797 INFO L446 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2019-11-07 01:01:23,797 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2019-11-07 01:01:23,797 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2019-11-07 01:01:23,798 INFO L446 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2019-11-07 01:01:23,798 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-11-07 01:01:23,798 INFO L443 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2019-11-07 01:01:23,798 INFO L446 ceAbstractionStarter]: At program point L874(lines 827 876) the Hoare annotation is: true [2019-11-07 01:01:23,798 INFO L446 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: true [2019-11-07 01:01:23,798 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2019-11-07 01:01:23,798 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2019-11-07 01:01:23,798 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-11-07 01:01:23,799 INFO L446 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: true [2019-11-07 01:01:23,799 INFO L446 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: true [2019-11-07 01:01:23,799 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2019-11-07 01:01:23,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 536 581) no Hoare annotation was computed. [2019-11-07 01:01:23,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 536 581) no Hoare annotation was computed. [2019-11-07 01:01:23,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 536 581) no Hoare annotation was computed. [2019-11-07 01:01:23,799 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 563) no Hoare annotation was computed. [2019-11-07 01:01:23,799 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 570) no Hoare annotation was computed. [2019-11-07 01:01:23,799 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 570) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 130 139) no Hoare annotation was computed. [2019-11-07 01:01:23,800 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 520) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 433 535) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point L498-1(line 498) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 532) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 433 535) no Hoare annotation was computed. [2019-11-07 01:01:23,801 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-11-07 01:01:23,802 INFO L443 ceAbstractionStarter]: For program point L482-2(lines 482 502) no Hoare annotation was computed. [2019-11-07 01:01:23,802 INFO L443 ceAbstractionStarter]: For program point L503(lines 481 504) no Hoare annotation was computed. [2019-11-07 01:01:23,802 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 433 535) no Hoare annotation was computed. [2019-11-07 01:01:23,802 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 478) no Hoare annotation was computed. [2019-11-07 01:01:23,802 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 529) no Hoare annotation was computed. [2019-11-07 01:01:23,804 INFO L443 ceAbstractionStarter]: For program point L483(lines 482 502) no Hoare annotation was computed. [2019-11-07 01:01:23,804 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-07 01:01:23,805 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,805 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 01:01:23,805 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,805 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 721 728) no Hoare annotation was computed. [2019-11-07 01:01:23,805 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2019-11-07 01:01:23,805 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 721 728) no Hoare annotation was computed. [2019-11-07 01:01:23,805 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-11-07 01:01:23,806 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2019-11-07 01:01:23,806 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-11-07 01:01:23,806 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-11-07 01:01:23,806 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2019-11-07 01:01:23,806 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-11-07 01:01:23,806 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,806 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,806 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,806 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-11-07 01:01:23,807 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2019-11-07 01:01:23,807 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-11-07 01:01:23,807 INFO L446 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: true [2019-11-07 01:01:23,807 INFO L443 ceAbstractionStarter]: For program point L668(lines 667 686) no Hoare annotation was computed. [2019-11-07 01:01:23,808 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: true [2019-11-07 01:01:23,808 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2019-11-07 01:01:23,808 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2019-11-07 01:01:23,808 INFO L446 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: true [2019-11-07 01:01:23,808 INFO L446 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: true [2019-11-07 01:01:23,808 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2019-11-07 01:01:23,808 INFO L446 ceAbstractionStarter]: At program point L191(lines 166 195) the Hoare annotation is: true [2019-11-07 01:01:23,809 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2019-11-07 01:01:23,809 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-07 01:01:23,809 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:01:23,809 INFO L446 ceAbstractionStarter]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2019-11-07 01:01:23,809 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-11-07 01:01:23,809 INFO L446 ceAbstractionStarter]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2019-11-07 01:01:23,809 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-11-07 01:01:23,809 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-11-07 01:01:23,809 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-11-07 01:01:23,810 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-11-07 01:01:23,810 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2019-11-07 01:01:23,810 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2019-11-07 01:01:23,810 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2019-11-07 01:01:23,810 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,811 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:01:23,811 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:23,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:23,811 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2019-11-07 01:01:23,811 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: true [2019-11-07 01:01:23,811 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2019-11-07 01:01:23,812 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2019-11-07 01:01:23,812 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-11-07 01:01:23,812 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-11-07 01:01:23,813 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2019-11-07 01:01:23,813 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-11-07 01:01:23,813 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2019-11-07 01:01:23,813 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2019-11-07 01:01:23,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:23 BoogieIcfgContainer [2019-11-07 01:01:23,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:23,835 INFO L168 Benchmark]: Toolchain (without parser) took 6288.17 ms. Allocated memory was 145.2 MB in the beginning and 289.4 MB in the end (delta: 144.2 MB). Free memory was 102.2 MB in the beginning and 156.1 MB in the end (delta: -53.9 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,835 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 01:01:23,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.80 ms. Allocated memory was 145.2 MB in the beginning and 200.8 MB in the end (delta: 55.6 MB). Free memory was 102.2 MB in the beginning and 168.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,847 INFO L168 Benchmark]: Boogie Preprocessor took 105.95 ms. Allocated memory is still 200.8 MB. Free memory was 168.4 MB in the beginning and 164.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,848 INFO L168 Benchmark]: RCFGBuilder took 1134.85 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 164.5 MB in the beginning and 198.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,848 INFO L168 Benchmark]: TraceAbstraction took 4344.56 ms. Allocated memory was 234.4 MB in the beginning and 289.4 MB in the end (delta: 55.1 MB). Free memory was 198.5 MB in the beginning and 156.1 MB in the end (delta: 42.4 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:23,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.80 ms. Allocated memory was 145.2 MB in the beginning and 200.8 MB in the end (delta: 55.6 MB). Free memory was 102.2 MB in the beginning and 168.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.95 ms. Allocated memory is still 200.8 MB. Free memory was 168.4 MB in the beginning and 164.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1134.85 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 164.5 MB in the beginning and 198.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4344.56 ms. Allocated memory was 234.4 MB in the beginning and 289.4 MB in the end (delta: 55.1 MB). Free memory was 198.5 MB in the beginning and 156.1 MB in the end (delta: 42.4 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 632 SDtfs, 497 SDslu, 1401 SDs, 0 SdLazy, 485 SolverSat, 126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 193 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 547 PreInvPairs, 548 NumberOfFragments, 56 HoareAnnotationTreeSize, 547 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 145, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, 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...