java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:49,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:49,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:49,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:49,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:49,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:49,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:49,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:49,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:49,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:49,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:49,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:49,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:49,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:49,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:49,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:49,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:49,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:49,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:49,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:49,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:49,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:49,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:49,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:49,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:49,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:49,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:49,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:49,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:49,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:49,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:49,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:49,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:49,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:49,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:49,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:49,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:49,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:49,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:49,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:49,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:49,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:49,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:49,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:49,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:49,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:49,449 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:49,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:49,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:49,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:49,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:49,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:49,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:49,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:49,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:49,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:49,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:49,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:49,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:49,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:49,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:49,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:49,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:49,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:49,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:49,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:49,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:49,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:49,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:49,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:49,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:49,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:49,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:49,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:49,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:49,729 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:49,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2019-10-15 01:20:49,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2e8bf01/0684d75df1c64f28a07a50807634673d/FLAG16d44a576 [2019-10-15 01:20:50,257 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:50,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2019-10-15 01:20:50,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2e8bf01/0684d75df1c64f28a07a50807634673d/FLAG16d44a576 [2019-10-15 01:20:50,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2e8bf01/0684d75df1c64f28a07a50807634673d [2019-10-15 01:20:50,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:50,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:50,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:50,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:50,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:50,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:50" (1/1) ... [2019-10-15 01:20:50,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4339661a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:50, skipping insertion in model container [2019-10-15 01:20:50,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:50" (1/1) ... [2019-10-15 01:20:50,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:50,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:51,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:51,166 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:51,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:51,285 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:51,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51 WrapperNode [2019-10-15 01:20:51,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:51,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:51,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:51,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:51,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... [2019-10-15 01:20:51,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... [2019-10-15 01:20:51,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... [2019-10-15 01:20:51,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... [2019-10-15 01:20:51,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... [2019-10-15 01:20:51,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... [2019-10-15 01:20:51,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... [2019-10-15 01:20:51,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:51,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:51,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:51,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:51,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:51,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:51,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-15 01:20:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-15 01:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:52,507 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:52,508 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:52,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:52 BoogieIcfgContainer [2019-10-15 01:20:52,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:52,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:52,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:52,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:52,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:50" (1/3) ... [2019-10-15 01:20:52,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697c5331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:52, skipping insertion in model container [2019-10-15 01:20:52,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:51" (2/3) ... [2019-10-15 01:20:52,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697c5331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:52, skipping insertion in model container [2019-10-15 01:20:52,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:52" (3/3) ... [2019-10-15 01:20:52,519 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2019-10-15 01:20:52,529 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:52,537 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:52,548 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:52,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:52,580 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:52,580 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:52,580 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:52,580 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:52,581 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:52,581 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:52,581 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-15 01:20:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:20:52,612 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:52,613 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:52,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:52,621 INFO L82 PathProgramCache]: Analyzing trace with hash 435193552, now seen corresponding path program 1 times [2019-10-15 01:20:52,630 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:52,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578845654] [2019-10-15 01:20:52,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:52,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:52,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:52,979 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578845654] [2019-10-15 01:20:52,980 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:52,980 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:52,980 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786470214] [2019-10-15 01:20:52,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:52,987 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:53,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:53,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:53,006 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-10-15 01:20:53,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:53,044 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2019-10-15 01:20:53,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:53,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:20:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:53,057 INFO L225 Difference]: With dead ends: 212 [2019-10-15 01:20:53,058 INFO L226 Difference]: Without dead ends: 106 [2019-10-15 01:20:53,062 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:53,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-15 01:20:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-15 01:20:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-15 01:20:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-10-15 01:20:53,114 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2019-10-15 01:20:53,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:53,115 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-10-15 01:20:53,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-10-15 01:20:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:20:53,121 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:53,122 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:53,123 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:53,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:53,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1385919944, now seen corresponding path program 1 times [2019-10-15 01:20:53,124 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:53,124 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316423598] [2019-10-15 01:20:53,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:53,125 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:53,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:53,267 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316423598] [2019-10-15 01:20:53,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:53,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:53,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241606168] [2019-10-15 01:20:53,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:53,270 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:53,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:53,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:53,271 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2019-10-15 01:20:53,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:53,289 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2019-10-15 01:20:53,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:53,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:20:53,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:53,293 INFO L225 Difference]: With dead ends: 157 [2019-10-15 01:20:53,293 INFO L226 Difference]: Without dead ends: 97 [2019-10-15 01:20:53,296 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-15 01:20:53,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-15 01:20:53,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-15 01:20:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2019-10-15 01:20:53,321 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2019-10-15 01:20:53,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:53,321 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2019-10-15 01:20:53,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2019-10-15 01:20:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:53,326 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:53,326 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:53,327 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:53,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:53,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1134529237, now seen corresponding path program 1 times [2019-10-15 01:20:53,327 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:53,327 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884373840] [2019-10-15 01:20:53,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:53,329 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:53,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:53,531 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884373840] [2019-10-15 01:20:53,532 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:53,532 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:53,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56603300] [2019-10-15 01:20:53,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:53,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:53,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:53,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:53,535 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 7 states. [2019-10-15 01:20:53,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:53,809 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2019-10-15 01:20:53,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:53,809 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:20:53,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:53,811 INFO L225 Difference]: With dead ends: 170 [2019-10-15 01:20:53,812 INFO L226 Difference]: Without dead ends: 97 [2019-10-15 01:20:53,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:53,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-15 01:20:53,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-15 01:20:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-15 01:20:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2019-10-15 01:20:53,826 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2019-10-15 01:20:53,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:53,826 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2019-10-15 01:20:53,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2019-10-15 01:20:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:20:53,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:53,829 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:53,829 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:53,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:53,829 INFO L82 PathProgramCache]: Analyzing trace with hash -109318848, now seen corresponding path program 1 times [2019-10-15 01:20:53,830 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:53,830 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044935852] [2019-10-15 01:20:53,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:53,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:53,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:54,029 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044935852] [2019-10-15 01:20:54,029 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:54,029 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:54,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079680549] [2019-10-15 01:20:54,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:54,030 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:54,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:54,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:54,031 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2019-10-15 01:20:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:54,544 INFO L93 Difference]: Finished difference Result 296 states and 357 transitions. [2019-10-15 01:20:54,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:20:54,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-15 01:20:54,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:54,550 INFO L225 Difference]: With dead ends: 296 [2019-10-15 01:20:54,550 INFO L226 Difference]: Without dead ends: 223 [2019-10-15 01:20:54,554 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:54,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-15 01:20:54,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2019-10-15 01:20:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-10-15 01:20:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2019-10-15 01:20:54,616 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2019-10-15 01:20:54,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:54,617 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2019-10-15 01:20:54,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2019-10-15 01:20:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:20:54,622 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:54,622 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:54,622 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:54,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:54,623 INFO L82 PathProgramCache]: Analyzing trace with hash 590187014, now seen corresponding path program 1 times [2019-10-15 01:20:54,623 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:54,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899970667] [2019-10-15 01:20:54,623 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:54,623 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:54,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:54,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899970667] [2019-10-15 01:20:54,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:54,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:54,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203724664] [2019-10-15 01:20:54,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:54,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:54,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:54,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:54,716 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2019-10-15 01:20:54,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:54,732 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2019-10-15 01:20:54,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:54,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-15 01:20:54,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:54,734 INFO L225 Difference]: With dead ends: 356 [2019-10-15 01:20:54,734 INFO L226 Difference]: Without dead ends: 161 [2019-10-15 01:20:54,736 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:54,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-15 01:20:54,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-10-15 01:20:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-10-15 01:20:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-10-15 01:20:54,758 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 64 [2019-10-15 01:20:54,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:54,758 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-10-15 01:20:54,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-10-15 01:20:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-15 01:20:54,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:54,762 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:54,762 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:54,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:54,763 INFO L82 PathProgramCache]: Analyzing trace with hash 542477257, now seen corresponding path program 1 times [2019-10-15 01:20:54,763 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:54,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516099823] [2019-10-15 01:20:54,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:54,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:54,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 01:20:54,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516099823] [2019-10-15 01:20:54,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210549106] [2019-10-15 01:20:54,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:55,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:20:55,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:55,302 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:55,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:55,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-15 01:20:55,562 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2038634035] [2019-10-15 01:20:55,568 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 101 [2019-10-15 01:20:55,603 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:55,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:55,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:55,668 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-15 01:20:55,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:55,673 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:55,715 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:55,715 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:55,718 INFO L553 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-10-15 01:20:55,719 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:55,719 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:55,719 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:20:55,720 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282314784] [2019-10-15 01:20:55,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:55,721 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:55,721 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:55,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:55,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:55,722 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-10-15 01:20:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:55,752 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-10-15 01:20:55,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:55,752 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-10-15 01:20:55,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:55,752 INFO L225 Difference]: With dead ends: 161 [2019-10-15 01:20:55,753 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:55,753 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:55,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-15 01:20:55,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:55,755 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:55,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:55,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:55,962 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:55,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:56,124 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-15 01:20:56,125 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2019-10-15 01:20:56,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 216 271) no Hoare annotation was computed. [2019-10-15 01:20:56,125 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-15 01:20:56,125 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 262) no Hoare annotation was computed. [2019-10-15 01:20:56,125 INFO L443 ceAbstractionStarter]: For program point L263(lines 240 264) no Hoare annotation was computed. [2019-10-15 01:20:56,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 216 271) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 216 271) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point L317-1(line 317) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 272 331) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point L304-1(lines 304 308) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 272 331) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2019-10-15 01:20:56,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 272 331) no Hoare annotation was computed. [2019-10-15 01:20:56,127 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 323) no Hoare annotation was computed. [2019-10-15 01:20:56,127 INFO L443 ceAbstractionStarter]: For program point L324(lines 297 325) no Hoare annotation was computed. [2019-10-15 01:20:56,127 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 01:20:56,127 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 01:20:56,127 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:56,128 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 01:20:56,128 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:56,128 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2019-10-15 01:20:56,128 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2019-10-15 01:20:56,128 INFO L446 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2019-10-15 01:20:56,128 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2019-10-15 01:20:56,129 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-10-15 01:20:56,129 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-15 01:20:56,129 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 889) no Hoare annotation was computed. [2019-10-15 01:20:56,129 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2019-10-15 01:20:56,129 INFO L446 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2019-10-15 01:20:56,129 INFO L443 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2019-10-15 01:20:56,129 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 844 866) the Hoare annotation is: true [2019-10-15 01:20:56,129 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2019-10-15 01:20:56,130 INFO L446 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: true [2019-10-15 01:20:56,130 INFO L446 ceAbstractionStarter]: At program point L856-1(line 856) the Hoare annotation is: true [2019-10-15 01:20:56,130 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 861) no Hoare annotation was computed. [2019-10-15 01:20:56,130 INFO L443 ceAbstractionStarter]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2019-10-15 01:20:56,130 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-15 01:20:56,130 INFO L446 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: true [2019-10-15 01:20:56,130 INFO L446 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2019-10-15 01:20:56,131 INFO L446 ceAbstractionStarter]: At program point L850-1(line 850) the Hoare annotation is: true [2019-10-15 01:20:56,131 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2019-10-15 01:20:56,131 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 803 826) no Hoare annotation was computed. [2019-10-15 01:20:56,131 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 803 826) no Hoare annotation was computed. [2019-10-15 01:20:56,131 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 803 826) no Hoare annotation was computed. [2019-10-15 01:20:56,131 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-15 01:20:56,131 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-15 01:20:56,131 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-15 01:20:56,132 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 01:20:56,132 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-15 01:20:56,132 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-15 01:20:56,132 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-15 01:20:56,132 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-15 01:20:56,132 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-15 01:20:56,132 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-15 01:20:56,133 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-15 01:20:56,133 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-15 01:20:56,133 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-15 01:20:56,133 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-15 01:20:56,133 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2019-10-15 01:20:56,133 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2019-10-15 01:20:56,133 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 665 672) no Hoare annotation was computed. [2019-10-15 01:20:56,134 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 665 672) no Hoare annotation was computed. [2019-10-15 01:20:56,134 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 665 672) no Hoare annotation was computed. [2019-10-15 01:20:56,134 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2019-10-15 01:20:56,134 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2019-10-15 01:20:56,134 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2019-10-15 01:20:56,134 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-10-15 01:20:56,134 INFO L443 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-10-15 01:20:56,134 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 733) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L443 ceAbstractionStarter]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 718 753) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 718 753) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 718 753) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 01:20:56,135 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 170 215) no Hoare annotation was computed. [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 170 215) no Hoare annotation was computed. [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 170 215) no Hoare annotation was computed. [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 483 528) no Hoare annotation was computed. [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 510) no Hoare annotation was computed. [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 517) no Hoare annotation was computed. [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point L497-1(lines 497 517) no Hoare annotation was computed. [2019-10-15 01:20:56,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 483 528) no Hoare annotation was computed. [2019-10-15 01:20:56,137 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 483 528) no Hoare annotation was computed. [2019-10-15 01:20:56,137 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 834 843) the Hoare annotation is: true [2019-10-15 01:20:56,137 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2019-10-15 01:20:56,137 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2019-10-15 01:20:56,137 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2019-10-15 01:20:56,137 INFO L446 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2019-10-15 01:20:56,137 INFO L443 ceAbstractionStarter]: For program point L703-1(line 703) no Hoare annotation was computed. [2019-10-15 01:20:56,137 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2019-10-15 01:20:56,138 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2019-10-15 01:20:56,138 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2019-10-15 01:20:56,138 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2019-10-15 01:20:56,138 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2019-10-15 01:20:56,138 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2019-10-15 01:20:56,138 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: true [2019-10-15 01:20:56,138 INFO L446 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: true [2019-10-15 01:20:56,139 INFO L443 ceAbstractionStarter]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2019-10-15 01:20:56,139 INFO L446 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2019-10-15 01:20:56,139 INFO L446 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: true [2019-10-15 01:20:56,139 INFO L443 ceAbstractionStarter]: For program point L648(lines 648 656) no Hoare annotation was computed. [2019-10-15 01:20:56,139 INFO L446 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: true [2019-10-15 01:20:56,139 INFO L443 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2019-10-15 01:20:56,139 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 661) no Hoare annotation was computed. [2019-10-15 01:20:56,139 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 549) no Hoare annotation was computed. [2019-10-15 01:20:56,140 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 533 598) the Hoare annotation is: true [2019-10-15 01:20:56,140 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2019-10-15 01:20:56,140 INFO L446 ceAbstractionStarter]: At program point L591(lines 542 592) the Hoare annotation is: true [2019-10-15 01:20:56,140 INFO L443 ceAbstractionStarter]: For program point L581(lines 581 585) no Hoare annotation was computed. [2019-10-15 01:20:56,140 INFO L446 ceAbstractionStarter]: At program point L581-2(lines 573 586) the Hoare annotation is: true [2019-10-15 01:20:56,140 INFO L443 ceAbstractionStarter]: For program point L544(lines 543 590) no Hoare annotation was computed. [2019-10-15 01:20:56,140 INFO L446 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: true [2019-10-15 01:20:56,140 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 586) no Hoare annotation was computed. [2019-10-15 01:20:56,141 INFO L446 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: true [2019-10-15 01:20:56,141 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-10-15 01:20:56,141 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2019-10-15 01:20:56,141 INFO L446 ceAbstractionStarter]: At program point L588(lines 543 590) the Hoare annotation is: true [2019-10-15 01:20:56,141 INFO L446 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: true [2019-10-15 01:20:56,141 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 559) no Hoare annotation was computed. [2019-10-15 01:20:56,141 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2019-10-15 01:20:56,141 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 437 482) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 437 482) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 437 482) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 464) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 471) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 147) no Hoare annotation was computed. [2019-10-15 01:20:56,142 INFO L443 ceAbstractionStarter]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point L384(lines 383 403) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-15 01:20:56,143 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 334 436) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 421) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point L399(line 399) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 362) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 433) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 334 436) no Hoare annotation was computed. [2019-10-15 01:20:56,144 INFO L443 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2019-10-15 01:20:56,145 INFO L443 ceAbstractionStarter]: For program point L383-2(lines 383 403) no Hoare annotation was computed. [2019-10-15 01:20:56,145 INFO L443 ceAbstractionStarter]: For program point L404(lines 382 405) no Hoare annotation was computed. [2019-10-15 01:20:56,145 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 334 436) no Hoare annotation was computed. [2019-10-15 01:20:56,145 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 379) no Hoare annotation was computed. [2019-10-15 01:20:56,145 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 430) no Hoare annotation was computed. [2019-10-15 01:20:56,145 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:56,145 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:56,145 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:56,146 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-10-15 01:20:56,146 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 673 689) no Hoare annotation was computed. [2019-10-15 01:20:56,146 INFO L443 ceAbstractionStarter]: For program point L684-1(lines 673 689) no Hoare annotation was computed. [2019-10-15 01:20:56,146 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 673 689) no Hoare annotation was computed. [2019-10-15 01:20:56,146 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 686) no Hoare annotation was computed. [2019-10-15 01:20:56,146 INFO L443 ceAbstractionStarter]: For program point L678(line 678) no Hoare annotation was computed. [2019-10-15 01:20:56,146 INFO L443 ceAbstractionStarter]: For program point L678-1(line 678) no Hoare annotation was computed. [2019-10-15 01:20:56,147 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2019-10-15 01:20:56,147 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2019-10-15 01:20:56,147 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-15 01:20:56,147 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2019-10-15 01:20:56,147 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2019-10-15 01:20:56,147 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2019-10-15 01:20:56,147 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:56,147 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:56,148 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:56,148 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2019-10-15 01:20:56,148 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2019-10-15 01:20:56,148 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2019-10-15 01:20:56,148 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: true [2019-10-15 01:20:56,148 INFO L446 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: true [2019-10-15 01:20:56,148 INFO L446 ceAbstractionStarter]: At program point L619(lines 619 625) the Hoare annotation is: true [2019-10-15 01:20:56,148 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2019-10-15 01:20:56,149 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2019-10-15 01:20:56,149 INFO L446 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: true [2019-10-15 01:20:56,149 INFO L443 ceAbstractionStarter]: For program point L612(lines 611 630) no Hoare annotation was computed. [2019-10-15 01:20:56,149 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2019-10-15 01:20:56,149 INFO L446 ceAbstractionStarter]: At program point L798(lines 773 802) the Hoare annotation is: true [2019-10-15 01:20:56,149 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2019-10-15 01:20:56,149 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-15 01:20:56,149 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-10-15 01:20:56,150 INFO L446 ceAbstractionStarter]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2019-10-15 01:20:56,150 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-15 01:20:56,150 INFO L446 ceAbstractionStarter]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2019-10-15 01:20:56,150 INFO L446 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2019-10-15 01:20:56,150 INFO L443 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2019-10-15 01:20:56,150 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2019-10-15 01:20:56,150 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2019-10-15 01:20:56,150 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2019-10-15 01:20:56,150 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2019-10-15 01:20:56,151 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2019-10-15 01:20:56,151 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:56,151 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:56,151 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:56,151 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:56,151 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2019-10-15 01:20:56,151 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: true [2019-10-15 01:20:56,151 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2019-10-15 01:20:56,152 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2019-10-15 01:20:56,152 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2019-10-15 01:20:56,152 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2019-10-15 01:20:56,152 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2019-10-15 01:20:56,152 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-10-15 01:20:56,152 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2019-10-15 01:20:56,152 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2019-10-15 01:20:56,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:56 BoogieIcfgContainer [2019-10-15 01:20:56,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:56,165 INFO L168 Benchmark]: Toolchain (without parser) took 5550.76 ms. Allocated memory was 144.7 MB in the beginning and 288.4 MB in the end (delta: 143.7 MB). Free memory was 100.4 MB in the beginning and 222.1 MB in the end (delta: -121.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:56,166 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:56,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.79 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 171.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:56,168 INFO L168 Benchmark]: Boogie Preprocessor took 94.70 ms. Allocated memory is still 202.4 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:56,169 INFO L168 Benchmark]: RCFGBuilder took 1127.20 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 201.8 MB in the end (delta: -34.4 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:56,170 INFO L168 Benchmark]: TraceAbstraction took 3651.36 ms. Allocated memory was 234.9 MB in the beginning and 288.4 MB in the end (delta: 53.5 MB). Free memory was 201.8 MB in the beginning and 222.1 MB in the end (delta: -20.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:56,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.79 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 171.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.70 ms. Allocated memory is still 202.4 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1127.20 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 201.8 MB in the end (delta: -34.4 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3651.36 ms. Allocated memory was 234.9 MB in the beginning and 288.4 MB in the end (delta: 53.5 MB). Free memory was 201.8 MB in the beginning and 222.1 MB in the end (delta: -20.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: 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: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 559 SDtfs, 308 SDslu, 1119 SDs, 0 SdLazy, 372 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 272 PreInvPairs, 273 NumberOfFragments, 51 HoareAnnotationTreeSize, 272 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 90847 SizeOfPredicates, 3 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 87/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 105, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9696969696969697, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...