java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:45,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:45,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:46,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:46,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:46,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:46,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:46,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:46,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:46,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:46,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:46,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:46,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:46,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:46,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:46,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:46,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:46,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:46,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:46,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:46,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:46,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:46,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:46,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:46,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:46,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:46,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:46,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:46,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:46,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:46,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:46,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:46,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:46,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:46,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:46,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:46,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:46,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:46,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:46,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:46,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:46,050 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 21:21:46,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:46,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:46,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:46,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:46,068 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:46,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:46,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:46,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:46,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:46,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:46,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:46,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:46,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:46,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:46,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:46,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:46,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:46,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:46,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:46,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:46,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:46,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:46,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:46,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:46,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:46,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:46,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:46,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:46,073 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 21:21:46,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:46,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:46,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:46,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:46,382 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:46,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2019-10-13 21:21:46,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79d63e02/732af7f8358c4c4b8d9ccfcc75f34275/FLAG5ed6d6eaf [2019-10-13 21:21:46,994 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:46,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2019-10-13 21:21:47,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79d63e02/732af7f8358c4c4b8d9ccfcc75f34275/FLAG5ed6d6eaf [2019-10-13 21:21:47,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79d63e02/732af7f8358c4c4b8d9ccfcc75f34275 [2019-10-13 21:21:47,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:47,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:47,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:47,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:47,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:47,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:47" (1/1) ... [2019-10-13 21:21:47,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:47, skipping insertion in model container [2019-10-13 21:21:47,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:47" (1/1) ... [2019-10-13 21:21:47,347 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:47,402 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:47,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:47,893 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:48,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:48,045 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:48,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48 WrapperNode [2019-10-13 21:21:48,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:48,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:48,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:48,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:48,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (1/1) ... [2019-10-13 21:21:48,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (1/1) ... [2019-10-13 21:21:48,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (1/1) ... [2019-10-13 21:21:48,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (1/1) ... [2019-10-13 21:21:48,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (1/1) ... [2019-10-13 21:21:48,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (1/1) ... [2019-10-13 21:21:48,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (1/1) ... [2019-10-13 21:21:48,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:48,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:48,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:48,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:48,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (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 21:21:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 21:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:21:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 21:21:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:49,223 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:49,224 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:49,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:49 BoogieIcfgContainer [2019-10-13 21:21:49,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:49,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:49,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:49,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:49,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:47" (1/3) ... [2019-10-13 21:21:49,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14514d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:49, skipping insertion in model container [2019-10-13 21:21:49,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:48" (2/3) ... [2019-10-13 21:21:49,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14514d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:49, skipping insertion in model container [2019-10-13 21:21:49,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:49" (3/3) ... [2019-10-13 21:21:49,235 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2019-10-13 21:21:49,245 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:49,253 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:49,265 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:49,297 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:49,297 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:49,298 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:49,298 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:49,299 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:49,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:49,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:49,299 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-13 21:21:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:49,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:49,344 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 21:21:49,346 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:49,350 INFO L82 PathProgramCache]: Analyzing trace with hash 435193552, now seen corresponding path program 1 times [2019-10-13 21:21:49,358 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:49,359 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255490216] [2019-10-13 21:21:49,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:49,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:49,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:49,736 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 21:21:49,737 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255490216] [2019-10-13 21:21:49,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:49,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:49,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140519791] [2019-10-13 21:21:49,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:49,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:49,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:49,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:49,767 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-10-13 21:21:49,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:49,813 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2019-10-13 21:21:49,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:49,817 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:49,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:49,832 INFO L225 Difference]: With dead ends: 212 [2019-10-13 21:21:49,832 INFO L226 Difference]: Without dead ends: 106 [2019-10-13 21:21:49,836 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 21:21:49,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-13 21:21:49,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-13 21:21:49,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-13 21:21:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-10-13 21:21:49,887 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2019-10-13 21:21:49,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:49,888 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-10-13 21:21:49,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-10-13 21:21:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:49,891 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:49,892 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 21:21:49,892 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:49,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:49,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1385919944, now seen corresponding path program 1 times [2019-10-13 21:21:49,893 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:49,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531871215] [2019-10-13 21:21:49,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:49,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:49,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:50,007 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 21:21:50,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531871215] [2019-10-13 21:21:50,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:50,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:50,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448579401] [2019-10-13 21:21:50,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:50,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:50,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:50,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:50,011 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2019-10-13 21:21:50,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:50,046 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2019-10-13 21:21:50,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:50,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:50,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:50,053 INFO L225 Difference]: With dead ends: 157 [2019-10-13 21:21:50,053 INFO L226 Difference]: Without dead ends: 97 [2019-10-13 21:21:50,055 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 21:21:50,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-13 21:21:50,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-13 21:21:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-13 21:21:50,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2019-10-13 21:21:50,070 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2019-10-13 21:21:50,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:50,070 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2019-10-13 21:21:50,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:50,070 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2019-10-13 21:21:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:50,074 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:50,074 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 21:21:50,074 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:50,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:50,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1134529237, now seen corresponding path program 1 times [2019-10-13 21:21:50,075 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:50,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627797424] [2019-10-13 21:21:50,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:50,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:50,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:50,210 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 21:21:50,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627797424] [2019-10-13 21:21:50,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:50,211 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:50,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606467698] [2019-10-13 21:21:50,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:50,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:50,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:50,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:50,213 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 7 states. [2019-10-13 21:21:50,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:50,501 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2019-10-13 21:21:50,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:50,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:21:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:50,504 INFO L225 Difference]: With dead ends: 170 [2019-10-13 21:21:50,504 INFO L226 Difference]: Without dead ends: 97 [2019-10-13 21:21:50,506 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 21:21:50,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-13 21:21:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-13 21:21:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-13 21:21:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2019-10-13 21:21:50,519 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2019-10-13 21:21:50,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:50,519 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2019-10-13 21:21:50,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:50,520 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2019-10-13 21:21:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:21:50,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:50,522 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:50,522 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:50,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:50,523 INFO L82 PathProgramCache]: Analyzing trace with hash -109318848, now seen corresponding path program 1 times [2019-10-13 21:21:50,524 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:50,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714646271] [2019-10-13 21:21:50,524 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:50,524 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:50,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:50,791 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 21:21:50,791 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714646271] [2019-10-13 21:21:50,791 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:50,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:50,792 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712261448] [2019-10-13 21:21:50,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:50,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:50,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:50,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:50,794 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2019-10-13 21:21:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:51,324 INFO L93 Difference]: Finished difference Result 296 states and 357 transitions. [2019-10-13 21:21:51,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:51,325 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-13 21:21:51,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:51,331 INFO L225 Difference]: With dead ends: 296 [2019-10-13 21:21:51,332 INFO L226 Difference]: Without dead ends: 223 [2019-10-13 21:21:51,338 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 21:21:51,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-13 21:21:51,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2019-10-13 21:21:51,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-10-13 21:21:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2019-10-13 21:21:51,405 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2019-10-13 21:21:51,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:51,406 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2019-10-13 21:21:51,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2019-10-13 21:21:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:21:51,416 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:51,416 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:51,416 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:51,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:51,417 INFO L82 PathProgramCache]: Analyzing trace with hash 590187014, now seen corresponding path program 1 times [2019-10-13 21:21:51,417 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:51,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560614566] [2019-10-13 21:21:51,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:51,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:51,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:51,525 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 21:21:51,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560614566] [2019-10-13 21:21:51,526 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:51,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:51,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543029542] [2019-10-13 21:21:51,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:51,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:51,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:51,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:51,528 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2019-10-13 21:21:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:51,546 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2019-10-13 21:21:51,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:51,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 21:21:51,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:51,550 INFO L225 Difference]: With dead ends: 356 [2019-10-13 21:21:51,551 INFO L226 Difference]: Without dead ends: 161 [2019-10-13 21:21:51,553 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:51,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-13 21:21:51,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-10-13 21:21:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-10-13 21:21:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-10-13 21:21:51,583 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 64 [2019-10-13 21:21:51,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:51,584 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-10-13 21:21:51,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-10-13 21:21:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:21:51,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:51,587 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:51,587 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:51,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:51,588 INFO L82 PathProgramCache]: Analyzing trace with hash 542477257, now seen corresponding path program 1 times [2019-10-13 21:21:51,589 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:51,590 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621856806] [2019-10-13 21:21:51,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:51,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:51,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 21:21:51,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621856806] [2019-10-13 21:21:51,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460614740] [2019-10-13 21:21:51,768 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 21:21:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:51,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:51,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:52,114 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:52,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:52,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:21:52,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [784246853] [2019-10-13 21:21:52,387 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 101 [2019-10-13 21:21:52,422 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:52,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:52,486 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:52,487 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:21:52,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:52,492 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:52,544 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:52,545 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:52,549 INFO L553 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-10-13 21:21:52,550 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:52,551 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:52,551 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:52,551 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906146122] [2019-10-13 21:21:52,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:52,552 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:52,553 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:52,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:52,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:52,553 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-10-13 21:21:52,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:52,556 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-10-13 21:21:52,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:52,556 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-10-13 21:21:52,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:52,557 INFO L225 Difference]: With dead ends: 161 [2019-10-13 21:21:52,557 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:52,558 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:52,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:52,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:52,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-13 21:21:52,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:52,559 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:52,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:52,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:52,764 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:52,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:52,918 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-13 21:21:52,919 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2019-10-13 21:21:52,919 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 216 271) no Hoare annotation was computed. [2019-10-13 21:21:52,919 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-13 21:21:52,919 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 262) no Hoare annotation was computed. [2019-10-13 21:21:52,919 INFO L443 ceAbstractionStarter]: For program point L263(lines 240 264) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 216 271) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 216 271) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point L317-1(line 317) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 272 331) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point L304-1(lines 304 308) no Hoare annotation was computed. [2019-10-13 21:21:52,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 272 331) no Hoare annotation was computed. [2019-10-13 21:21:52,921 INFO L443 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2019-10-13 21:21:52,921 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 272 331) no Hoare annotation was computed. [2019-10-13 21:21:52,922 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 323) no Hoare annotation was computed. [2019-10-13 21:21:52,923 INFO L443 ceAbstractionStarter]: For program point L324(lines 297 325) no Hoare annotation was computed. [2019-10-13 21:21:52,923 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:21:52,923 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:21:52,923 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:52,924 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:21:52,924 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:21:52,924 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2019-10-13 21:21:52,924 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2019-10-13 21:21:52,924 INFO L446 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2019-10-13 21:21:52,924 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2019-10-13 21:21:52,925 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-10-13 21:21:52,925 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-13 21:21:52,929 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 889) no Hoare annotation was computed. [2019-10-13 21:21:52,930 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2019-10-13 21:21:52,930 INFO L446 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2019-10-13 21:21:52,930 INFO L443 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2019-10-13 21:21:52,930 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 844 866) the Hoare annotation is: true [2019-10-13 21:21:52,931 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2019-10-13 21:21:52,931 INFO L446 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: true [2019-10-13 21:21:52,931 INFO L446 ceAbstractionStarter]: At program point L856-1(line 856) the Hoare annotation is: true [2019-10-13 21:21:52,931 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 861) no Hoare annotation was computed. [2019-10-13 21:21:52,931 INFO L443 ceAbstractionStarter]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2019-10-13 21:21:52,931 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-13 21:21:52,932 INFO L446 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: true [2019-10-13 21:21:52,932 INFO L446 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2019-10-13 21:21:52,932 INFO L446 ceAbstractionStarter]: At program point L850-1(line 850) the Hoare annotation is: true [2019-10-13 21:21:52,932 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2019-10-13 21:21:52,932 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 803 826) no Hoare annotation was computed. [2019-10-13 21:21:52,932 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 803 826) no Hoare annotation was computed. [2019-10-13 21:21:52,932 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 803 826) no Hoare annotation was computed. [2019-10-13 21:21:52,933 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-13 21:21:52,933 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 21:21:52,933 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-13 21:21:52,935 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-13 21:21:52,936 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-13 21:21:52,936 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-13 21:21:52,936 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-13 21:21:52,936 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-13 21:21:52,936 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-13 21:21:52,936 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 665 672) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 665 672) no Hoare annotation was computed. [2019-10-13 21:21:52,937 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 665 672) no Hoare annotation was computed. [2019-10-13 21:21:52,938 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2019-10-13 21:21:52,938 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2019-10-13 21:21:52,938 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2019-10-13 21:21:52,938 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:21:52,938 INFO L443 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:21:52,938 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 733) no Hoare annotation was computed. [2019-10-13 21:21:52,938 INFO L443 ceAbstractionStarter]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2019-10-13 21:21:52,938 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 718 753) no Hoare annotation was computed. [2019-10-13 21:21:52,939 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-13 21:21:52,939 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-10-13 21:21:52,939 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 718 753) no Hoare annotation was computed. [2019-10-13 21:21:52,939 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 718 753) no Hoare annotation was computed. [2019-10-13 21:21:52,939 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:21:52,939 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:21:52,940 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 170 215) no Hoare annotation was computed. [2019-10-13 21:21:52,940 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 170 215) no Hoare annotation was computed. [2019-10-13 21:21:52,940 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 170 215) no Hoare annotation was computed. [2019-10-13 21:21:52,940 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 483 528) no Hoare annotation was computed. [2019-10-13 21:21:52,940 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 510) no Hoare annotation was computed. [2019-10-13 21:21:52,940 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 517) no Hoare annotation was computed. [2019-10-13 21:21:52,941 INFO L443 ceAbstractionStarter]: For program point L497-1(lines 497 517) no Hoare annotation was computed. [2019-10-13 21:21:52,941 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 483 528) no Hoare annotation was computed. [2019-10-13 21:21:52,941 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 483 528) no Hoare annotation was computed. [2019-10-13 21:21:52,941 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 834 843) the Hoare annotation is: true [2019-10-13 21:21:52,941 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2019-10-13 21:21:52,942 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2019-10-13 21:21:52,942 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2019-10-13 21:21:52,942 INFO L446 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2019-10-13 21:21:52,942 INFO L443 ceAbstractionStarter]: For program point L703-1(line 703) no Hoare annotation was computed. [2019-10-13 21:21:52,942 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2019-10-13 21:21:52,942 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2019-10-13 21:21:52,943 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2019-10-13 21:21:52,943 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2019-10-13 21:21:52,943 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2019-10-13 21:21:52,943 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2019-10-13 21:21:52,943 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: true [2019-10-13 21:21:52,943 INFO L446 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: true [2019-10-13 21:21:52,943 INFO L443 ceAbstractionStarter]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2019-10-13 21:21:52,944 INFO L446 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2019-10-13 21:21:52,944 INFO L446 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: true [2019-10-13 21:21:52,944 INFO L443 ceAbstractionStarter]: For program point L648(lines 648 656) no Hoare annotation was computed. [2019-10-13 21:21:52,944 INFO L446 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: true [2019-10-13 21:21:52,944 INFO L443 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2019-10-13 21:21:52,944 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 661) no Hoare annotation was computed. [2019-10-13 21:21:52,945 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 549) no Hoare annotation was computed. [2019-10-13 21:21:52,945 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 533 598) the Hoare annotation is: true [2019-10-13 21:21:52,945 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2019-10-13 21:21:52,945 INFO L446 ceAbstractionStarter]: At program point L591(lines 542 592) the Hoare annotation is: true [2019-10-13 21:21:52,945 INFO L443 ceAbstractionStarter]: For program point L581(lines 581 585) no Hoare annotation was computed. [2019-10-13 21:21:52,945 INFO L446 ceAbstractionStarter]: At program point L581-2(lines 573 586) the Hoare annotation is: true [2019-10-13 21:21:52,946 INFO L443 ceAbstractionStarter]: For program point L544(lines 543 590) no Hoare annotation was computed. [2019-10-13 21:21:52,946 INFO L446 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: true [2019-10-13 21:21:52,946 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 586) no Hoare annotation was computed. [2019-10-13 21:21:52,946 INFO L446 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: true [2019-10-13 21:21:52,946 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-10-13 21:21:52,946 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2019-10-13 21:21:52,947 INFO L446 ceAbstractionStarter]: At program point L588(lines 543 590) the Hoare annotation is: true [2019-10-13 21:21:52,947 INFO L446 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: true [2019-10-13 21:21:52,947 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 559) no Hoare annotation was computed. [2019-10-13 21:21:52,947 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2019-10-13 21:21:52,947 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2019-10-13 21:21:52,947 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 437 482) no Hoare annotation was computed. [2019-10-13 21:21:52,947 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 437 482) no Hoare annotation was computed. [2019-10-13 21:21:52,948 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 437 482) no Hoare annotation was computed. [2019-10-13 21:21:52,948 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 464) no Hoare annotation was computed. [2019-10-13 21:21:52,948 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 471) no Hoare annotation was computed. [2019-10-13 21:21:52,948 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2019-10-13 21:21:52,948 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 147) no Hoare annotation was computed. [2019-10-13 21:21:52,948 INFO L443 ceAbstractionStarter]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2019-10-13 21:21:52,949 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2019-10-13 21:21:52,949 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2019-10-13 21:21:52,949 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2019-10-13 21:21:52,949 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:52,949 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:52,949 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:21:52,949 INFO L443 ceAbstractionStarter]: For program point L384(lines 383 403) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 334 436) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 421) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point L399(line 399) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 362) no Hoare annotation was computed. [2019-10-13 21:21:52,950 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 433) no Hoare annotation was computed. [2019-10-13 21:21:52,951 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 334 436) no Hoare annotation was computed. [2019-10-13 21:21:52,951 INFO L443 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2019-10-13 21:21:52,951 INFO L443 ceAbstractionStarter]: For program point L383-2(lines 383 403) no Hoare annotation was computed. [2019-10-13 21:21:52,951 INFO L443 ceAbstractionStarter]: For program point L404(lines 382 405) no Hoare annotation was computed. [2019-10-13 21:21:52,951 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 334 436) no Hoare annotation was computed. [2019-10-13 21:21:52,954 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 379) no Hoare annotation was computed. [2019-10-13 21:21:52,954 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 430) no Hoare annotation was computed. [2019-10-13 21:21:52,954 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:52,955 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:52,955 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:52,955 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-10-13 21:21:52,955 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 673 689) no Hoare annotation was computed. [2019-10-13 21:21:52,955 INFO L443 ceAbstractionStarter]: For program point L684-1(lines 673 689) no Hoare annotation was computed. [2019-10-13 21:21:52,955 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 673 689) no Hoare annotation was computed. [2019-10-13 21:21:52,955 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 686) no Hoare annotation was computed. [2019-10-13 21:21:52,955 INFO L443 ceAbstractionStarter]: For program point L678(line 678) no Hoare annotation was computed. [2019-10-13 21:21:52,956 INFO L443 ceAbstractionStarter]: For program point L678-1(line 678) no Hoare annotation was computed. [2019-10-13 21:21:52,956 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2019-10-13 21:21:52,956 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2019-10-13 21:21:52,956 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-13 21:21:52,956 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2019-10-13 21:21:52,956 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2019-10-13 21:21:52,956 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2019-10-13 21:21:52,956 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:52,956 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:52,957 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:52,957 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2019-10-13 21:21:52,957 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2019-10-13 21:21:52,957 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2019-10-13 21:21:52,957 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: true [2019-10-13 21:21:52,958 INFO L446 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: true [2019-10-13 21:21:52,958 INFO L446 ceAbstractionStarter]: At program point L619(lines 619 625) the Hoare annotation is: true [2019-10-13 21:21:52,958 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2019-10-13 21:21:52,958 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2019-10-13 21:21:52,958 INFO L446 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: true [2019-10-13 21:21:52,958 INFO L443 ceAbstractionStarter]: For program point L612(lines 611 630) no Hoare annotation was computed. [2019-10-13 21:21:52,958 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2019-10-13 21:21:52,958 INFO L446 ceAbstractionStarter]: At program point L798(lines 773 802) the Hoare annotation is: true [2019-10-13 21:21:52,959 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2019-10-13 21:21:52,959 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-13 21:21:52,959 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-10-13 21:21:52,959 INFO L446 ceAbstractionStarter]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2019-10-13 21:21:52,959 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-13 21:21:52,959 INFO L446 ceAbstractionStarter]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2019-10-13 21:21:52,959 INFO L446 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2019-10-13 21:21:52,959 INFO L443 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2019-10-13 21:21:52,959 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2019-10-13 21:21:52,960 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2019-10-13 21:21:52,960 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2019-10-13 21:21:52,960 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2019-10-13 21:21:52,960 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2019-10-13 21:21:52,960 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:52,960 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:52,961 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:52,962 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:52,962 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2019-10-13 21:21:52,962 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: true [2019-10-13 21:21:52,962 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2019-10-13 21:21:52,962 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2019-10-13 21:21:52,962 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2019-10-13 21:21:52,963 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2019-10-13 21:21:52,964 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2019-10-13 21:21:52,964 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2019-10-13 21:21:52,964 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2019-10-13 21:21:52,964 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2019-10-13 21:21:52,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:52 BoogieIcfgContainer [2019-10-13 21:21:52,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:52,986 INFO L168 Benchmark]: Toolchain (without parser) took 5645.08 ms. Allocated memory was 137.9 MB in the beginning and 289.9 MB in the end (delta: 152.0 MB). Free memory was 100.3 MB in the beginning and 226.8 MB in the end (delta: -126.5 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:52,987 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:52,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.32 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 168.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:52,999 INFO L168 Benchmark]: Boogie Preprocessor took 80.37 ms. Allocated memory is still 201.9 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:53,000 INFO L168 Benchmark]: RCFGBuilder took 1098.88 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.7 MB in the beginning and 199.5 MB in the end (delta: -34.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:53,002 INFO L168 Benchmark]: TraceAbstraction took 3750.23 ms. Allocated memory was 233.8 MB in the beginning and 289.9 MB in the end (delta: 56.1 MB). Free memory was 199.5 MB in the beginning and 226.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 127.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:53,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.32 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 168.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.37 ms. Allocated memory is still 201.9 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.88 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.7 MB in the beginning and 199.5 MB in the end (delta: -34.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3750.23 ms. Allocated memory was 233.8 MB in the beginning and 289.9 MB in the end (delta: 56.1 MB). Free memory was 199.5 MB in the beginning and 226.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 127.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 559 SDtfs, 308 SDslu, 1119 SDs, 0 SdLazy, 372 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 272 PreInvPairs, 273 NumberOfFragments, 51 HoareAnnotationTreeSize, 272 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 90847 SizeOfPredicates, 3 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 87/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 106, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9696969696969697, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...