java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:17,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:17,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:17,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:17,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:17,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:17,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:17,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:17,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:17,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:17,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:17,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:17,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:17,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:17,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:17,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:17,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:17,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:17,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:17,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:17,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:17,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:17,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:17,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:17,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:17,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:17,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:17,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:17,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:17,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:17,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:17,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:17,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:17,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:17,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:17,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:17,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:17,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:17,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:17,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:17,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:17,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:18:17,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:17,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:17,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:17,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:17,389 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:17,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:17,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:17,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:17,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:17,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:17,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:17,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:17,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:17,391 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:17,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:17,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:17,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:17,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:17,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:17,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:17,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:17,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:17,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:17,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:17,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:17,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:17,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:17,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:17,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:18:17,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:17,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:17,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:17,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:17,711 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:17,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-10-07 15:18:17,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26385cd14/ca2918feb04943fca8c3b85350caac1f/FLAG42b30f8c8 [2019-10-07 15:18:18,312 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:18,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-10-07 15:18:18,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26385cd14/ca2918feb04943fca8c3b85350caac1f/FLAG42b30f8c8 [2019-10-07 15:18:18,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26385cd14/ca2918feb04943fca8c3b85350caac1f [2019-10-07 15:18:18,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:18,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:18,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:18,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:18,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:18,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:18" (1/1) ... [2019-10-07 15:18:18,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d9936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:18, skipping insertion in model container [2019-10-07 15:18:18,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:18" (1/1) ... [2019-10-07 15:18:18,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:18,655 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:19,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:19,112 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:19,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:19,278 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:19,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19 WrapperNode [2019-10-07 15:18:19,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:19,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:19,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:19,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:19,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... [2019-10-07 15:18:19,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... [2019-10-07 15:18:19,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... [2019-10-07 15:18:19,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... [2019-10-07 15:18:19,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... [2019-10-07 15:18:19,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... [2019-10-07 15:18:19,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... [2019-10-07 15:18:19,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:19,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:19,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:19,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:19,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:21,067 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:21,067 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:21,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:21 BoogieIcfgContainer [2019-10-07 15:18:21,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:21,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:21,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:21,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:21,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:18" (1/3) ... [2019-10-07 15:18:21,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d21a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:21, skipping insertion in model container [2019-10-07 15:18:21,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:19" (2/3) ... [2019-10-07 15:18:21,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d21a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:21, skipping insertion in model container [2019-10-07 15:18:21,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:21" (3/3) ... [2019-10-07 15:18:21,078 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2019-10-07 15:18:21,088 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:21,098 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:21,112 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:21,156 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:21,157 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:21,157 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:21,157 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:21,158 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:21,158 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:21,158 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:21,158 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2019-10-07 15:18:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:21,206 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:21,207 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:21,211 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:21,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:21,218 INFO L82 PathProgramCache]: Analyzing trace with hash -141249891, now seen corresponding path program 1 times [2019-10-07 15:18:21,227 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:21,228 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:21,228 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:21,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:21,659 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:21,660 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:21,661 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:21,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:21,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:21,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:21,692 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2019-10-07 15:18:21,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:21,760 INFO L93 Difference]: Finished difference Result 217 states and 262 transitions. [2019-10-07 15:18:21,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:21,762 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-07 15:18:21,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:21,780 INFO L225 Difference]: With dead ends: 217 [2019-10-07 15:18:21,780 INFO L226 Difference]: Without dead ends: 109 [2019-10-07 15:18:21,786 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:21,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-07 15:18:21,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-07 15:18:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-07 15:18:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2019-10-07 15:18:21,845 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2019-10-07 15:18:21,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:21,846 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2019-10-07 15:18:21,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2019-10-07 15:18:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 15:18:21,850 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:21,850 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:21,851 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:21,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:21,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1885933763, now seen corresponding path program 1 times [2019-10-07 15:18:21,852 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:21,852 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:21,852 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:21,852 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:21,996 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:21,996 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:21,997 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:21,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:21,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:22,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:22,000 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 3 states. [2019-10-07 15:18:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:22,022 INFO L93 Difference]: Finished difference Result 175 states and 201 transitions. [2019-10-07 15:18:22,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:22,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 15:18:22,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:22,026 INFO L225 Difference]: With dead ends: 175 [2019-10-07 15:18:22,027 INFO L226 Difference]: Without dead ends: 101 [2019-10-07 15:18:22,028 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:22,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-07 15:18:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-10-07 15:18:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-07 15:18:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2019-10-07 15:18:22,045 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 48 [2019-10-07 15:18:22,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:22,045 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2019-10-07 15:18:22,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2019-10-07 15:18:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:18:22,048 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:22,048 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:22,049 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:22,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:22,049 INFO L82 PathProgramCache]: Analyzing trace with hash 412251181, now seen corresponding path program 1 times [2019-10-07 15:18:22,050 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:22,050 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:22,050 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:22,050 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:22,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:22,236 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:22,236 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:22,236 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:22,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:22,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:22,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:22,238 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand 7 states. [2019-10-07 15:18:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:22,539 INFO L93 Difference]: Finished difference Result 180 states and 207 transitions. [2019-10-07 15:18:22,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:22,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:18:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:22,542 INFO L225 Difference]: With dead ends: 180 [2019-10-07 15:18:22,542 INFO L226 Difference]: Without dead ends: 101 [2019-10-07 15:18:22,543 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:22,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-07 15:18:22,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-10-07 15:18:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-10-07 15:18:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2019-10-07 15:18:22,556 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 50 [2019-10-07 15:18:22,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:22,557 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2019-10-07 15:18:22,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2019-10-07 15:18:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:18:22,559 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:22,560 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:22,560 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:22,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:22,560 INFO L82 PathProgramCache]: Analyzing trace with hash -672652835, now seen corresponding path program 1 times [2019-10-07 15:18:22,561 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:22,561 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:22,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:22,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:22,663 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:22,664 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:22,664 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:22,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:22,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:22,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:22,665 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand 5 states. [2019-10-07 15:18:23,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:23,112 INFO L93 Difference]: Finished difference Result 272 states and 319 transitions. [2019-10-07 15:18:23,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:23,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-07 15:18:23,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:23,117 INFO L225 Difference]: With dead ends: 272 [2019-10-07 15:18:23,117 INFO L226 Difference]: Without dead ends: 193 [2019-10-07 15:18:23,118 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:18:23,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-10-07 15:18:23,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2019-10-07 15:18:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-10-07 15:18:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 197 transitions. [2019-10-07 15:18:23,145 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 197 transitions. Word has length 63 [2019-10-07 15:18:23,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:23,146 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 197 transitions. [2019-10-07 15:18:23,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 197 transitions. [2019-10-07 15:18:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-07 15:18:23,149 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:23,149 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:23,149 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:23,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:23,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2018119705, now seen corresponding path program 1 times [2019-10-07 15:18:23,150 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:23,150 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:23,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:23,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:23,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:23,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:23,324 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:23,324 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:23,324 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:23,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:23,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:23,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:23,325 INFO L87 Difference]: Start difference. First operand 178 states and 197 transitions. Second operand 6 states. [2019-10-07 15:18:23,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:23,542 INFO L93 Difference]: Finished difference Result 428 states and 489 transitions. [2019-10-07 15:18:23,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:23,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-10-07 15:18:23,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:23,547 INFO L225 Difference]: With dead ends: 428 [2019-10-07 15:18:23,547 INFO L226 Difference]: Without dead ends: 272 [2019-10-07 15:18:23,549 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:18:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-10-07 15:18:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2019-10-07 15:18:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2019-10-07 15:18:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 293 transitions. [2019-10-07 15:18:23,610 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 293 transitions. Word has length 72 [2019-10-07 15:18:23,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:23,611 INFO L462 AbstractCegarLoop]: Abstraction has 262 states and 293 transitions. [2019-10-07 15:18:23,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 293 transitions. [2019-10-07 15:18:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:18:23,616 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:23,616 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:23,619 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:23,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1483898779, now seen corresponding path program 1 times [2019-10-07 15:18:23,620 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:23,620 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:23,620 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:23,620 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:23,809 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:23,809 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:23,809 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:23,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:23,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:23,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:23,810 INFO L87 Difference]: Start difference. First operand 262 states and 293 transitions. Second operand 10 states. [2019-10-07 15:18:24,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:24,093 INFO L93 Difference]: Finished difference Result 508 states and 571 transitions. [2019-10-07 15:18:24,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 15:18:24,097 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2019-10-07 15:18:24,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:24,100 INFO L225 Difference]: With dead ends: 508 [2019-10-07 15:18:24,100 INFO L226 Difference]: Without dead ends: 268 [2019-10-07 15:18:24,101 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:18:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2019-10-07 15:18:24,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 251. [2019-10-07 15:18:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-10-07 15:18:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 270 transitions. [2019-10-07 15:18:24,122 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 270 transitions. Word has length 75 [2019-10-07 15:18:24,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:24,123 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 270 transitions. [2019-10-07 15:18:24,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 270 transitions. [2019-10-07 15:18:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:18:24,125 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:24,125 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:24,126 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:24,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:24,126 INFO L82 PathProgramCache]: Analyzing trace with hash 973008444, now seen corresponding path program 1 times [2019-10-07 15:18:24,126 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:24,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:24,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:24,127 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:24,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:24,419 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:24,419 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:24,419 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:18:24,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:18:24,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:18:24,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:18:24,421 INFO L87 Difference]: Start difference. First operand 251 states and 270 transitions. Second operand 14 states. [2019-10-07 15:18:24,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:24,825 INFO L93 Difference]: Finished difference Result 501 states and 555 transitions. [2019-10-07 15:18:24,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:24,826 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 75 [2019-10-07 15:18:24,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:24,829 INFO L225 Difference]: With dead ends: 501 [2019-10-07 15:18:24,829 INFO L226 Difference]: Without dead ends: 345 [2019-10-07 15:18:24,830 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:18:24,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-10-07 15:18:24,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 314. [2019-10-07 15:18:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2019-10-07 15:18:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 340 transitions. [2019-10-07 15:18:24,877 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 340 transitions. Word has length 75 [2019-10-07 15:18:24,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:24,878 INFO L462 AbstractCegarLoop]: Abstraction has 314 states and 340 transitions. [2019-10-07 15:18:24,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:18:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 340 transitions. [2019-10-07 15:18:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-07 15:18:24,882 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:24,882 INFO L385 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:24,883 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:24,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:24,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1715422082, now seen corresponding path program 1 times [2019-10-07 15:18:24,884 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:24,884 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:24,884 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:24,884 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:24,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:18:25,008 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:25,009 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:25,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 15:18:25,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:18:25,548 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:25,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:25,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:25,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:25,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:25,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:18:25,992 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:25,992 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-07 15:18:25,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:18:25,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:18:25,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:18:25,994 INFO L87 Difference]: Start difference. First operand 314 states and 340 transitions. Second operand 9 states. [2019-10-07 15:18:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:26,424 INFO L93 Difference]: Finished difference Result 671 states and 745 transitions. [2019-10-07 15:18:26,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 15:18:26,424 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2019-10-07 15:18:26,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:26,425 INFO L225 Difference]: With dead ends: 671 [2019-10-07 15:18:26,426 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:26,431 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:26,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:26,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:26,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2019-10-07 15:18:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:26,433 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:26,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:18:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:26,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:26,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:26,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:27,522 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-07 15:18:28,025 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-10-07 15:18:28,317 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2019-10-07 15:18:28,431 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2019-10-07 15:18:28,788 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-10-07 15:18:29,398 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-10-07 15:18:29,399 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-10-07 15:18:29,399 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-10-07 15:18:29,399 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-10-07 15:18:29,399 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-10-07 15:18:29,399 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-07 15:18:29,399 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2019-10-07 15:18:29,399 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2019-10-07 15:18:29,400 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2019-10-07 15:18:29,400 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2019-10-07 15:18:29,400 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:18:29,400 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-07 15:18:29,400 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:29,401 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:29,401 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:29,401 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:29,401 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-07 15:18:29,401 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-07 15:18:29,401 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-07 15:18:29,402 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:18:29,402 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:18:29,402 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:18:29,402 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:18:29,402 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:18:29,402 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:18:29,402 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:18:29,403 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:18:29,403 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:18:29,403 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:18:29,403 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:18:29,403 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:18:29,403 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:18:29,403 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:18:29,404 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:18:29,404 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:18:29,404 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:18:29,404 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:18:29,404 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2019-10-07 15:18:29,404 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2019-10-07 15:18:29,404 INFO L443 ceAbstractionStarter]: For program point L670(line 670) no Hoare annotation was computed. [2019-10-07 15:18:29,404 INFO L443 ceAbstractionStarter]: For program point L670-1(line 670) no Hoare annotation was computed. [2019-10-07 15:18:29,405 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 640 675) no Hoare annotation was computed. [2019-10-07 15:18:29,405 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 640 675) no Hoare annotation was computed. [2019-10-07 15:18:29,405 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2019-10-07 15:18:29,405 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2019-10-07 15:18:29,405 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-10-07 15:18:29,405 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-10-07 15:18:29,405 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-10-07 15:18:29,405 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-10-07 15:18:29,406 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:29,406 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:18:29,406 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:18:29,406 INFO L446 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2019-10-07 15:18:29,406 INFO L443 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2019-10-07 15:18:29,407 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2019-10-07 15:18:29,407 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2019-10-07 15:18:29,407 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-07 15:18:29,407 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2019-10-07 15:18:29,407 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2019-10-07 15:18:29,407 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2019-10-07 15:18:29,407 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2019-10-07 15:18:29,408 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:29,408 INFO L443 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2019-10-07 15:18:29,408 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:29,408 INFO L439 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:29,408 INFO L439 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:29,409 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2019-10-07 15:18:29,409 INFO L439 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:29,409 INFO L443 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-10-07 15:18:29,409 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2019-10-07 15:18:29,409 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2019-10-07 15:18:29,409 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2019-10-07 15:18:29,409 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:29,410 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2019-10-07 15:18:29,410 INFO L439 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:29,410 INFO L439 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:29,410 INFO L443 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2019-10-07 15:18:29,410 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:29,410 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-07 15:18:29,411 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2019-10-07 15:18:29,411 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (= ~pumpRunning~0 0)) .cse1) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-07 15:18:29,411 INFO L439 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:29,411 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-10-07 15:18:29,411 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2019-10-07 15:18:29,411 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2019-10-07 15:18:29,412 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-10-07 15:18:29,412 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-10-07 15:18:29,412 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 809 831) no Hoare annotation was computed. [2019-10-07 15:18:29,412 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 809 831) no Hoare annotation was computed. [2019-10-07 15:18:29,412 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-10-07 15:18:29,412 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-10-07 15:18:29,412 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-10-07 15:18:29,413 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-10-07 15:18:29,413 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-07 15:18:29,413 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-07 15:18:29,413 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-10-07 15:18:29,413 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-10-07 15:18:29,413 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-07 15:18:29,413 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-10-07 15:18:29,414 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-10-07 15:18:29,414 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-10-07 15:18:29,414 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-10-07 15:18:29,414 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 900 909) no Hoare annotation was computed. [2019-10-07 15:18:29,414 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 900 909) no Hoare annotation was computed. [2019-10-07 15:18:29,414 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:29,414 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:29,415 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2019-10-07 15:18:29,415 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:29,415 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2019-10-07 15:18:29,415 INFO L446 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2019-10-07 15:18:29,415 INFO L443 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2019-10-07 15:18:29,415 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2019-10-07 15:18:29,415 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2019-10-07 15:18:29,416 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2019-10-07 15:18:29,416 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: true [2019-10-07 15:18:29,416 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2019-10-07 15:18:29,416 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:29,416 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:29,416 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and (= ~pumpRunning~0 1) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse2 .cse3) (or .cse0 .cse2 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:29,417 INFO L439 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or (and (not (= ~waterLevel~0 2)) .cse5 .cse1) .cse6 .cse0 .cse3 (and .cse5 .cse4))) (or (not (< |old(~waterLevel~0)| 2)) .cse6 .cse2 .cse3) (or .cse6 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:29,417 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (< |old(~waterLevel~0)| 2))) (.cse1 (< ~waterLevel~0 2)) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse6 .cse1) (or .cse5 (and .cse3 (= ~pumpRunning~0 1)) .cse2) (or .cse4 .cse6 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)))))) [2019-10-07 15:18:29,417 INFO L439 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (< |old(~waterLevel~0)| 2)) (< ~waterLevel~0 2) .cse0) (or .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-07 15:18:29,417 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2019-10-07 15:18:29,417 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2019-10-07 15:18:29,417 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2019-10-07 15:18:29,418 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:18:29,418 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:18:29,418 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:18:29,418 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:18:29,418 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:18:29,418 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:18:29,418 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:18:29,418 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:18:29,419 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:18:29,419 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2019-10-07 15:18:29,419 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2019-10-07 15:18:29,419 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2019-10-07 15:18:29,419 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2019-10-07 15:18:29,419 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-07 15:18:29,419 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-07 15:18:29,420 INFO L439 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-07 15:18:29,420 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-10-07 15:18:29,420 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2019-10-07 15:18:29,420 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2019-10-07 15:18:29,420 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-10-07 15:18:29,420 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-07 15:18:29,420 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-10-07 15:18:29,421 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-07 15:18:29,421 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-07 15:18:29,421 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse0 (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0))))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (< ~waterLevel~0 2)) (or .cse0 (not (< |old(~waterLevel~0)| 3)) (< ~waterLevel~0 3)))) [2019-10-07 15:18:29,421 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2019-10-07 15:18:29,421 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:18:29,421 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:18:29,421 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:29,421 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:18:29,422 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:29,422 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:29,422 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:29,422 INFO L439 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:29,422 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2019-10-07 15:18:29,422 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2019-10-07 15:18:29,423 INFO L439 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:29,423 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (and (or (not (= ~waterLevel~0 2)) (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~4)) (= ~pumpRunning~0 0)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:29,423 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2019-10-07 15:18:29,423 INFO L439 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:29,423 INFO L443 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2019-10-07 15:18:29,423 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2019-10-07 15:18:29,424 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2019-10-07 15:18:29,424 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (< ~waterLevel~0 3)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (not (< |old(~waterLevel~0)| 2))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse3) (or .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse2)))) [2019-10-07 15:18:29,424 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2019-10-07 15:18:29,424 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-10-07 15:18:29,424 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2019-10-07 15:18:29,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:29 BoogieIcfgContainer [2019-10-07 15:18:29,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:29,441 INFO L168 Benchmark]: Toolchain (without parser) took 10854.06 ms. Allocated memory was 145.2 MB in the beginning and 372.2 MB in the end (delta: 227.0 MB). Free memory was 102.8 MB in the beginning and 314.8 MB in the end (delta: -212.0 MB). Peak memory consumption was 203.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,442 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.79 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 171.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,444 INFO L168 Benchmark]: Boogie Preprocessor took 106.71 ms. Allocated memory is still 202.4 MB. Free memory was 171.1 MB in the beginning and 166.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,445 INFO L168 Benchmark]: RCFGBuilder took 1682.24 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 149.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,446 INFO L168 Benchmark]: TraceAbstraction took 8368.84 ms. Allocated memory was 235.4 MB in the beginning and 372.2 MB in the end (delta: 136.8 MB). Free memory was 147.5 MB in the beginning and 314.8 MB in the end (delta: -167.3 MB). Peak memory consumption was 158.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.79 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 171.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.71 ms. Allocated memory is still 202.4 MB. Free memory was 171.1 MB in the beginning and 166.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1682.24 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 149.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8368.84 ms. Allocated memory was 235.4 MB in the beginning and 372.2 MB in the end (delta: 136.8 MB). Free memory was 147.5 MB in the beginning and 314.8 MB in the end (delta: -167.3 MB). Peak memory consumption was 158.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (((!(waterLevel == 2) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 179 locations, 1 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 1003 SDtfs, 895 SDslu, 3144 SDs, 0 SdLazy, 849 SolverSat, 459 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 244 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=7, 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, 8 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 763 PreInvPairs, 809 NumberOfFragments, 1186 HoareAnnotationTreeSize, 763 FomulaSimplifications, 1347 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 59 FomulaSimplificationsInter, 6071 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 654 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 124397 SizeOfPredicates, 7 NumberOfNonLiveVariables, 811 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 69/75 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...