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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:07,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:07,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:07,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:07,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:07,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:07,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:07,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:07,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:07,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:07,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:07,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:07,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:07,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:07,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:07,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:07,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:07,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:07,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:07,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:07,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:07,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:07,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:07,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:07,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:07,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:07,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:07,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:07,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:07,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:07,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:07,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:07,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:07,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:07,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:07,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:07,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:07,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:07,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:07,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:07,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:07,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:07,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:07,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:07,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:07,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:07,429 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:07,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:07,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:07,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:07,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:07,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:07,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:07,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:07,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:07,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:07,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:07,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:07,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:07,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:07,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:07,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:07,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:07,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:07,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:07,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:07,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:07,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:07,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:07,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:07,434 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 [2019-10-13 21:22:07,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:07,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:07,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:07,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:07,768 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:07,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2019-10-13 21:22:07,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa88e63f4/c815a9d3476f4ed483f2094c0ffc4b0a/FLAG82f064124 [2019-10-13 21:22:08,410 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:08,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product60.cil.c [2019-10-13 21:22:08,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa88e63f4/c815a9d3476f4ed483f2094c0ffc4b0a/FLAG82f064124 [2019-10-13 21:22:08,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa88e63f4/c815a9d3476f4ed483f2094c0ffc4b0a [2019-10-13 21:22:08,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:08,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:08,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:08,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:08,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:08,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a202d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08, skipping insertion in model container [2019-10-13 21:22:08,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,691 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:08,755 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:09,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:09,221 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:09,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:09,362 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:09,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09 WrapperNode [2019-10-13 21:22:09,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:09,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:09,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:09,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:09,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... [2019-10-13 21:22:09,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:09,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:09,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:09,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:09,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:09,565 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:10,744 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:10,744 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:10,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:10 BoogieIcfgContainer [2019-10-13 21:22:10,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:10,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:10,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:10,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:10,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:08" (1/3) ... [2019-10-13 21:22:10,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d5f9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:10, skipping insertion in model container [2019-10-13 21:22:10,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:09" (2/3) ... [2019-10-13 21:22:10,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d5f9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:10, skipping insertion in model container [2019-10-13 21:22:10,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:10" (3/3) ... [2019-10-13 21:22:10,756 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2019-10-13 21:22:10,768 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:10,778 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:10,792 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:10,821 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:10,822 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:10,822 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:10,822 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:10,831 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:10,831 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:10,831 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:10,831 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-10-13 21:22:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:10,867 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:10,868 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] [2019-10-13 21:22:10,871 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:10,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2134554421, now seen corresponding path program 1 times [2019-10-13 21:22:10,888 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:10,888 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876622349] [2019-10-13 21:22:10,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:11,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876622349] [2019-10-13 21:22:11,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:11,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:11,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769166812] [2019-10-13 21:22:11,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:11,248 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:11,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:11,272 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-10-13 21:22:11,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:11,320 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2019-10-13 21:22:11,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:11,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:11,337 INFO L225 Difference]: With dead ends: 306 [2019-10-13 21:22:11,337 INFO L226 Difference]: Without dead ends: 153 [2019-10-13 21:22:11,342 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:11,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-13 21:22:11,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-10-13 21:22:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-13 21:22:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2019-10-13 21:22:11,407 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 46 [2019-10-13 21:22:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:11,408 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2019-10-13 21:22:11,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:11,408 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2019-10-13 21:22:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:11,412 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:11,412 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] [2019-10-13 21:22:11,412 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:11,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:11,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1258335028, now seen corresponding path program 1 times [2019-10-13 21:22:11,413 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:11,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447690720] [2019-10-13 21:22:11,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:11,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447690720] [2019-10-13 21:22:11,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:11,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:11,546 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420700715] [2019-10-13 21:22:11,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:11,548 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:11,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:11,549 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 3 states. [2019-10-13 21:22:11,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:11,576 INFO L93 Difference]: Finished difference Result 245 states and 283 transitions. [2019-10-13 21:22:11,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:11,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:11,579 INFO L225 Difference]: With dead ends: 245 [2019-10-13 21:22:11,579 INFO L226 Difference]: Without dead ends: 144 [2019-10-13 21:22:11,581 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:11,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-13 21:22:11,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-13 21:22:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-13 21:22:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2019-10-13 21:22:11,598 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 47 [2019-10-13 21:22:11,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:11,598 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2019-10-13 21:22:11,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2019-10-13 21:22:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:22:11,601 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:11,601 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] [2019-10-13 21:22:11,601 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:11,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:11,602 INFO L82 PathProgramCache]: Analyzing trace with hash 598975815, now seen corresponding path program 1 times [2019-10-13 21:22:11,602 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:11,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633124748] [2019-10-13 21:22:11,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:11,769 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633124748] [2019-10-13 21:22:11,770 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:11,770 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:11,770 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085265836] [2019-10-13 21:22:11,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:11,771 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:11,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:11,775 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 7 states. [2019-10-13 21:22:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:12,384 INFO L93 Difference]: Finished difference Result 434 states and 518 transitions. [2019-10-13 21:22:12,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:12,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:22:12,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:12,389 INFO L225 Difference]: With dead ends: 434 [2019-10-13 21:22:12,389 INFO L226 Difference]: Without dead ends: 314 [2019-10-13 21:22:12,391 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 [2019-10-13 21:22:12,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-10-13 21:22:12,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 302. [2019-10-13 21:22:12,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-10-13 21:22:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 360 transitions. [2019-10-13 21:22:12,430 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 360 transitions. Word has length 52 [2019-10-13 21:22:12,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:12,431 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 360 transitions. [2019-10-13 21:22:12,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 360 transitions. [2019-10-13 21:22:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:22:12,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:12,438 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] [2019-10-13 21:22:12,438 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:12,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:12,441 INFO L82 PathProgramCache]: Analyzing trace with hash 301540465, now seen corresponding path program 1 times [2019-10-13 21:22:12,441 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:12,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263265542] [2019-10-13 21:22:12,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:12,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263265542] [2019-10-13 21:22:12,653 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:12,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:12,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165960765] [2019-10-13 21:22:12,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:12,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:12,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:12,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:12,656 INFO L87 Difference]: Start difference. First operand 302 states and 360 transitions. Second operand 10 states. [2019-10-13 21:22:13,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:13,443 INFO L93 Difference]: Finished difference Result 1088 states and 1388 transitions. [2019-10-13 21:22:13,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:13,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:22:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:13,459 INFO L225 Difference]: With dead ends: 1088 [2019-10-13 21:22:13,459 INFO L226 Difference]: Without dead ends: 810 [2019-10-13 21:22:13,465 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 [2019-10-13 21:22:13,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2019-10-13 21:22:13,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 798. [2019-10-13 21:22:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-13 21:22:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 984 transitions. [2019-10-13 21:22:13,558 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 984 transitions. Word has length 57 [2019-10-13 21:22:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:13,559 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 984 transitions. [2019-10-13 21:22:13,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 984 transitions. [2019-10-13 21:22:13,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:22:13,567 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:13,568 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] [2019-10-13 21:22:13,568 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:13,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:13,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1216503305, now seen corresponding path program 1 times [2019-10-13 21:22:13,569 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:13,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776517558] [2019-10-13 21:22:13,570 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,570 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:13,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776517558] [2019-10-13 21:22:13,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:13,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:13,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834224006] [2019-10-13 21:22:13,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:13,714 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:13,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:13,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:13,716 INFO L87 Difference]: Start difference. First operand 798 states and 984 transitions. Second operand 4 states. [2019-10-13 21:22:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:14,120 INFO L93 Difference]: Finished difference Result 1977 states and 2649 transitions. [2019-10-13 21:22:14,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:22:14,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:22:14,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:14,129 INFO L225 Difference]: With dead ends: 1977 [2019-10-13 21:22:14,129 INFO L226 Difference]: Without dead ends: 1203 [2019-10-13 21:22:14,133 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:14,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2019-10-13 21:22:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1065. [2019-10-13 21:22:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2019-10-13 21:22:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1322 transitions. [2019-10-13 21:22:14,217 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1322 transitions. Word has length 61 [2019-10-13 21:22:14,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:14,217 INFO L462 AbstractCegarLoop]: Abstraction has 1065 states and 1322 transitions. [2019-10-13 21:22:14,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:14,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1322 transitions. [2019-10-13 21:22:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:22:14,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:14,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:14,221 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:14,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:14,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1663970326, now seen corresponding path program 1 times [2019-10-13 21:22:14,221 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:14,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324285060] [2019-10-13 21:22:14,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:22:14,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324285060] [2019-10-13 21:22:14,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811997374] [2019-10-13 21:22:14,404 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 [2019-10-13 21:22:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:22:14,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:14,761 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:14,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:15,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:15,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1492280433] [2019-10-13 21:22:15,012 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-13 21:22:15,056 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:15,057 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:15,146 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:15,148 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:15,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,153 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:15,199 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:15,199 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:15,202 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-13 21:22:15,202 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:15,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:15,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:22:15,204 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319469311] [2019-10-13 21:22:15,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:15,205 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:15,205 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:15,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:15,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:15,206 INFO L87 Difference]: Start difference. First operand 1065 states and 1322 transitions. Second operand 2 states. [2019-10-13 21:22:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,223 INFO L93 Difference]: Finished difference Result 1065 states and 1322 transitions. [2019-10-13 21:22:15,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:15,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-13 21:22:15,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,224 INFO L225 Difference]: With dead ends: 1065 [2019-10-13 21:22:15,224 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:15,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:15,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:15,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 21:22:15,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,228 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:15,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:15,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:15,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:15,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:15,821 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-13 21:22:15,821 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2019-10-13 21:22:15,821 INFO L443 ceAbstractionStarter]: For program point L278(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:22:15,822 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2019-10-13 21:22:15,822 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2019-10-13 21:22:15,822 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:22:15,822 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:22:15,822 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2019-10-13 21:22:15,822 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 323) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point L339(lines 312 340) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-10-13 21:22:15,823 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-10-13 21:22:15,824 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2019-10-13 21:22:15,824 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:22:15,824 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:22:15,824 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:22:15,824 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:22:15,825 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:22:15,825 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2019-10-13 21:22:15,825 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2019-10-13 21:22:15,825 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-13 21:22:15,825 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-13 21:22:15,825 INFO L446 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: true [2019-10-13 21:22:15,825 INFO L443 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2019-10-13 21:22:15,826 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-13 21:22:15,826 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2019-10-13 21:22:15,826 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-13 21:22:15,826 INFO L443 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2019-10-13 21:22:15,826 INFO L446 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2019-10-13 21:22:15,826 INFO L446 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: true [2019-10-13 21:22:15,826 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 155 177) the Hoare annotation is: true [2019-10-13 21:22:15,826 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2019-10-13 21:22:15,827 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2019-10-13 21:22:15,827 INFO L446 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2019-10-13 21:22:15,827 INFO L446 ceAbstractionStarter]: At program point L167-1(line 167) the Hoare annotation is: true [2019-10-13 21:22:15,827 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2019-10-13 21:22:15,827 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2019-10-13 21:22:15,827 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L446 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: true [2019-10-13 21:22:15,828 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-10-13 21:22:15,828 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-10-13 21:22:15,829 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:22:15,830 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-13 21:22:15,830 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 21:22:15,830 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 806 820) no Hoare annotation was computed. [2019-10-13 21:22:15,830 INFO L446 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2019-10-13 21:22:15,830 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2019-10-13 21:22:15,830 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 806 820) the Hoare annotation is: true [2019-10-13 21:22:15,830 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 806 820) no Hoare annotation was computed. [2019-10-13 21:22:15,831 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:22:15,831 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2019-10-13 21:22:15,831 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:22:15,831 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-13 21:22:15,831 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-13 21:22:15,831 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-10-13 21:22:15,831 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2019-10-13 21:22:15,831 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2019-10-13 21:22:15,832 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-10-13 21:22:15,833 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2019-10-13 21:22:15,833 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 747) no Hoare annotation was computed. [2019-10-13 21:22:15,833 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2019-10-13 21:22:15,833 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:22:15,833 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:22:15,833 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2019-10-13 21:22:15,833 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2019-10-13 21:22:15,833 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2019-10-13 21:22:15,834 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 532) no Hoare annotation was computed. [2019-10-13 21:22:15,834 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2019-10-13 21:22:15,834 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2019-10-13 21:22:15,834 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2019-10-13 21:22:15,834 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 525) no Hoare annotation was computed. [2019-10-13 21:22:15,834 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2019-10-13 21:22:15,834 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: true [2019-10-13 21:22:15,834 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-13 21:22:15,835 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2019-10-13 21:22:15,835 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2019-10-13 21:22:15,835 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-13 21:22:15,835 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-10-13 21:22:15,835 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2019-10-13 21:22:15,835 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2019-10-13 21:22:15,835 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: true [2019-10-13 21:22:15,836 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2019-10-13 21:22:15,836 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2019-10-13 21:22:15,836 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 988) no Hoare annotation was computed. [2019-10-13 21:22:15,836 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 978 991) no Hoare annotation was computed. [2019-10-13 21:22:15,836 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 978 991) the Hoare annotation is: true [2019-10-13 21:22:15,836 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 978 991) no Hoare annotation was computed. [2019-10-13 21:22:15,836 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-10-13 21:22:15,836 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2019-10-13 21:22:15,837 INFO L446 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: true [2019-10-13 21:22:15,837 INFO L446 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: true [2019-10-13 21:22:15,837 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2019-10-13 21:22:15,837 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-10-13 21:22:15,837 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: true [2019-10-13 21:22:15,837 INFO L446 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: true [2019-10-13 21:22:15,837 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-13 21:22:15,837 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-10-13 21:22:15,837 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2019-10-13 21:22:15,838 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2019-10-13 21:22:15,838 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 830 897) the Hoare annotation is: true [2019-10-13 21:22:15,838 INFO L446 ceAbstractionStarter]: At program point L890(lines 839 891) the Hoare annotation is: true [2019-10-13 21:22:15,838 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 830 897) no Hoare annotation was computed. [2019-10-13 21:22:15,838 INFO L446 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2019-10-13 21:22:15,838 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-13 21:22:15,838 INFO L446 ceAbstractionStarter]: At program point L878-1(lines 870 885) the Hoare annotation is: true [2019-10-13 21:22:15,838 INFO L443 ceAbstractionStarter]: For program point L841(lines 840 889) no Hoare annotation was computed. [2019-10-13 21:22:15,839 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-13 21:22:15,839 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 885) no Hoare annotation was computed. [2019-10-13 21:22:15,839 INFO L446 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2019-10-13 21:22:15,839 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 866) no Hoare annotation was computed. [2019-10-13 21:22:15,839 INFO L443 ceAbstractionStarter]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2019-10-13 21:22:15,839 INFO L446 ceAbstractionStarter]: At program point L887(lines 840 889) the Hoare annotation is: true [2019-10-13 21:22:15,839 INFO L446 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: true [2019-10-13 21:22:15,839 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-10-13 21:22:15,840 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2019-10-13 21:22:15,840 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 846) no Hoare annotation was computed. [2019-10-13 21:22:15,840 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 830 897) no Hoare annotation was computed. [2019-10-13 21:22:15,840 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2019-10-13 21:22:15,840 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 479) no Hoare annotation was computed. [2019-10-13 21:22:15,840 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2019-10-13 21:22:15,840 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 486) no Hoare annotation was computed. [2019-10-13 21:22:15,841 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2019-10-13 21:22:15,841 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2019-10-13 21:22:15,841 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: true [2019-10-13 21:22:15,841 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2019-10-13 21:22:15,841 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2019-10-13 21:22:15,841 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 992 1000) no Hoare annotation was computed. [2019-10-13 21:22:15,841 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 992 1000) the Hoare annotation is: true [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 992 1000) no Hoare annotation was computed. [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 962) no Hoare annotation was computed. [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 946 968) no Hoare annotation was computed. [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point L954-2(lines 954 962) no Hoare annotation was computed. [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 946 968) no Hoare annotation was computed. [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 946 968) no Hoare annotation was computed. [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:15,842 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 394) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point L399(lines 398 418) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2019-10-13 21:22:15,843 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 436) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 448) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2019-10-13 21:22:15,844 INFO L443 ceAbstractionStarter]: For program point L419(lines 397 420) no Hoare annotation was computed. [2019-10-13 21:22:15,845 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,845 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:22:15,845 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,845 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2019-10-13 21:22:15,845 INFO L446 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: true [2019-10-13 21:22:15,845 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2019-10-13 21:22:15,845 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: true [2019-10-13 21:22:15,846 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-10-13 21:22:15,846 INFO L446 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2019-10-13 21:22:15,846 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-13 21:22:15,846 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 969 977) the Hoare annotation is: true [2019-10-13 21:22:15,846 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 969 977) no Hoare annotation was computed. [2019-10-13 21:22:15,846 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 969 977) no Hoare annotation was computed. [2019-10-13 21:22:15,846 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2019-10-13 21:22:15,846 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-13 21:22:15,847 INFO L446 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2019-10-13 21:22:15,847 INFO L443 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-10-13 21:22:15,847 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-13 21:22:15,847 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2019-10-13 21:22:15,847 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2019-10-13 21:22:15,847 INFO L443 ceAbstractionStarter]: For program point L929-1(lines 925 936) no Hoare annotation was computed. [2019-10-13 21:22:15,847 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 925 936) the Hoare annotation is: true [2019-10-13 21:22:15,847 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 925 936) no Hoare annotation was computed. [2019-10-13 21:22:15,848 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,848 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,848 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,848 INFO L446 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2019-10-13 21:22:15,848 INFO L446 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: true [2019-10-13 21:22:15,848 INFO L446 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2019-10-13 21:22:15,848 INFO L443 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2019-10-13 21:22:15,848 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: true [2019-10-13 21:22:15,849 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2019-10-13 21:22:15,849 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2019-10-13 21:22:15,849 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2019-10-13 21:22:15,849 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-10-13 21:22:15,849 INFO L446 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2019-10-13 21:22:15,849 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2019-10-13 21:22:15,849 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:22:15,849 INFO L446 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2019-10-13 21:22:15,850 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-10-13 21:22:15,850 INFO L443 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-10-13 21:22:15,850 INFO L446 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2019-10-13 21:22:15,850 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-10-13 21:22:15,850 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 937 945) the Hoare annotation is: true [2019-10-13 21:22:15,850 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 937 945) no Hoare annotation was computed. [2019-10-13 21:22:15,850 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 937 945) no Hoare annotation was computed. [2019-10-13 21:22:15,851 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 901 912) the Hoare annotation is: true [2019-10-13 21:22:15,851 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 901 912) no Hoare annotation was computed. [2019-10-13 21:22:15,851 INFO L443 ceAbstractionStarter]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2019-10-13 21:22:15,851 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2019-10-13 21:22:15,851 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2019-10-13 21:22:15,851 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,851 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:15,851 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:15,851 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:15,852 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 821 828) no Hoare annotation was computed. [2019-10-13 21:22:15,852 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 821 828) the Hoare annotation is: true [2019-10-13 21:22:15,852 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 821 828) no Hoare annotation was computed. [2019-10-13 21:22:15,852 INFO L446 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: true [2019-10-13 21:22:15,852 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: true [2019-10-13 21:22:15,852 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-10-13 21:22:15,852 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2019-10-13 21:22:15,852 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-10-13 21:22:15,853 INFO L446 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: true [2019-10-13 21:22:15,853 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-13 21:22:15,853 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-10-13 21:22:15,853 INFO L446 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: true [2019-10-13 21:22:15,853 INFO L443 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2019-10-13 21:22:15,853 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 913 924) no Hoare annotation was computed. [2019-10-13 21:22:15,853 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2019-10-13 21:22:15,853 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 913 924) the Hoare annotation is: true [2019-10-13 21:22:15,853 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2019-10-13 21:22:15,854 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2019-10-13 21:22:15,854 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2019-10-13 21:22:15,854 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2019-10-13 21:22:15,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:15 BoogieIcfgContainer [2019-10-13 21:22:15,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:15,866 INFO L168 Benchmark]: Toolchain (without parser) took 7191.90 ms. Allocated memory was 145.2 MB in the beginning and 287.3 MB in the end (delta: 142.1 MB). Free memory was 101.3 MB in the beginning and 187.9 MB in the end (delta: -86.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,867 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.45 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 167.8 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,869 INFO L168 Benchmark]: Boogie Preprocessor took 100.43 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,870 INFO L168 Benchmark]: RCFGBuilder took 1281.98 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.8 MB in the beginning and 191.2 MB in the end (delta: -27.3 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,871 INFO L168 Benchmark]: TraceAbstraction took 5116.01 ms. Allocated memory was 235.9 MB in the beginning and 287.3 MB in the end (delta: 51.4 MB). Free memory was 191.2 MB in the beginning and 187.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 157.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:15,874 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.45 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 167.8 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.43 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1281.98 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.8 MB in the beginning and 191.2 MB in the end (delta: -27.3 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5116.01 ms. Allocated memory was 235.9 MB in the beginning and 287.3 MB in the end (delta: 51.4 MB). Free memory was 191.2 MB in the beginning and 187.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 157.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 918 SDtfs, 763 SDslu, 2123 SDs, 0 SdLazy, 807 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1065occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 162 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1039 PreInvPairs, 1040 NumberOfFragments, 71 HoareAnnotationTreeSize, 1039 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 142, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...