/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:45,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:45,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:45,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:45,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:45,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:45,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:46,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:46,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:46,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:46,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:46,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:46,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:46,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:46,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:46,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:46,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:46,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:46,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:46,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:46,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:46,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:46,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:46,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:46,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:46,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:46,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:46,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:46,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:46,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:46,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:46,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:46,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:46,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:46,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:46,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:46,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:46,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:46,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:46,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:46,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:46,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:01:46,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:46,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:46,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:46,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:46,095 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:46,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:46,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:46,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:46,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:46,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:46,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:46,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:46,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:46,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:46,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:46,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:46,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:46,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:46,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:46,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:46,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:46,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:46,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:46,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:46,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:46,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:46,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:46,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:46,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:01:46,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:46,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:46,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:46,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:46,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:46,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-11-07 01:01:46,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6eaa131/b922447d183145e18ff465a52a907c15/FLAG3f8875afb [2019-11-07 01:01:47,006 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:47,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2019-11-07 01:01:47,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6eaa131/b922447d183145e18ff465a52a907c15/FLAG3f8875afb [2019-11-07 01:01:47,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6eaa131/b922447d183145e18ff465a52a907c15 [2019-11-07 01:01:47,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:47,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:47,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:47,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:47,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:47,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:47" (1/1) ... [2019-11-07 01:01:47,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47, skipping insertion in model container [2019-11-07 01:01:47,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:47" (1/1) ... [2019-11-07 01:01:47,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:47,390 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:47,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:47,936 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:48,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:48,061 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:48,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48 WrapperNode [2019-11-07 01:01:48,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:48,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:48,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:48,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:48,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:48,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:48,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:48,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:48,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (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 [2019-11-07 01:01:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:01:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:01:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:01:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:01:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:01:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:01:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:01:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:01:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:01:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:01:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:49,496 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:49,496 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:49,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:49 BoogieIcfgContainer [2019-11-07 01:01:49,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:49,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:49,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:49,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:49,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:47" (1/3) ... [2019-11-07 01:01:49,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae1ee7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:49, skipping insertion in model container [2019-11-07 01:01:49,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (2/3) ... [2019-11-07 01:01:49,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae1ee7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:49, skipping insertion in model container [2019-11-07 01:01:49,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:49" (3/3) ... [2019-11-07 01:01:49,506 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2019-11-07 01:01:49,516 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:49,524 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:49,535 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:49,566 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:49,566 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:49,567 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:49,567 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:49,567 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:49,567 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:49,567 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:49,567 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2019-11-07 01:01:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:49,610 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:49,611 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:49,614 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:49,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:49,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1860559375, now seen corresponding path program 1 times [2019-11-07 01:01:49,630 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:49,630 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3557585] [2019-11-07 01:01:49,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:50,013 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3557585] [2019-11-07 01:01:50,014 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:50,014 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:50,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081580711] [2019-11-07 01:01:50,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:50,023 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:50,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:50,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:50,038 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2019-11-07 01:01:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:50,081 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2019-11-07 01:01:50,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:50,082 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:50,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:50,095 INFO L225 Difference]: With dead ends: 256 [2019-11-07 01:01:50,095 INFO L226 Difference]: Without dead ends: 128 [2019-11-07 01:01:50,100 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-07 01:01:50,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-11-07 01:01:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-07 01:01:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-11-07 01:01:50,174 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2019-11-07 01:01:50,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:50,175 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-11-07 01:01:50,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-11-07 01:01:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:50,179 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:50,179 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:50,179 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:50,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:50,180 INFO L82 PathProgramCache]: Analyzing trace with hash 344709466, now seen corresponding path program 1 times [2019-11-07 01:01:50,180 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:50,180 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577672629] [2019-11-07 01:01:50,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:50,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:50,317 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577672629] [2019-11-07 01:01:50,318 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:50,318 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:50,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904258069] [2019-11-07 01:01:50,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:50,321 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:50,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:50,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:50,323 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2019-11-07 01:01:50,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:50,357 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2019-11-07 01:01:50,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:50,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:50,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:50,360 INFO L225 Difference]: With dead ends: 199 [2019-11-07 01:01:50,360 INFO L226 Difference]: Without dead ends: 119 [2019-11-07 01:01:50,362 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:50,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-07 01:01:50,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-07 01:01:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-07 01:01:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-11-07 01:01:50,376 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2019-11-07 01:01:50,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:50,376 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-11-07 01:01:50,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-11-07 01:01:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 01:01:50,379 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:50,379 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:50,379 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:50,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:50,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1335502603, now seen corresponding path program 1 times [2019-11-07 01:01:50,380 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:50,380 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593509309] [2019-11-07 01:01:50,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:50,578 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593509309] [2019-11-07 01:01:50,578 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:50,578 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:50,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134680992] [2019-11-07 01:01:50,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:50,580 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:50,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:50,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:50,583 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2019-11-07 01:01:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:51,175 INFO L93 Difference]: Finished difference Result 359 states and 435 transitions. [2019-11-07 01:01:51,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:51,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 01:01:51,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:51,188 INFO L225 Difference]: With dead ends: 359 [2019-11-07 01:01:51,189 INFO L226 Difference]: Without dead ends: 264 [2019-11-07 01:01:51,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:51,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-11-07 01:01:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2019-11-07 01:01:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-11-07 01:01:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2019-11-07 01:01:51,255 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2019-11-07 01:01:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:51,259 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2019-11-07 01:01:51,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2019-11-07 01:01:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:01:51,266 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:51,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:51,268 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:51,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1187986019, now seen corresponding path program 1 times [2019-11-07 01:01:51,269 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:51,269 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525760659] [2019-11-07 01:01:51,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:51,441 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525760659] [2019-11-07 01:01:51,442 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:51,442 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:51,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40298424] [2019-11-07 01:01:51,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:51,443 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:51,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:51,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:51,443 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 10 states. [2019-11-07 01:01:52,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:52,093 INFO L93 Difference]: Finished difference Result 904 states and 1159 transitions. [2019-11-07 01:01:52,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:52,094 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-11-07 01:01:52,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:52,100 INFO L225 Difference]: With dead ends: 904 [2019-11-07 01:01:52,101 INFO L226 Difference]: Without dead ends: 672 [2019-11-07 01:01:52,103 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:52,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-11-07 01:01:52,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2019-11-07 01:01:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-11-07 01:01:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 820 transitions. [2019-11-07 01:01:52,168 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 820 transitions. Word has length 57 [2019-11-07 01:01:52,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:52,169 INFO L462 AbstractCegarLoop]: Abstraction has 660 states and 820 transitions. [2019-11-07 01:01:52,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:52,169 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2019-11-07 01:01:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 01:01:52,173 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:52,173 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:52,174 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:52,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:52,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1722292439, now seen corresponding path program 1 times [2019-11-07 01:01:52,174 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:52,175 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698547671] [2019-11-07 01:01:52,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:52,314 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698547671] [2019-11-07 01:01:52,314 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:52,315 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:01:52,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618738213] [2019-11-07 01:01:52,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:01:52,316 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:52,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:52,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:01:52,317 INFO L87 Difference]: Start difference. First operand 660 states and 820 transitions. Second operand 4 states. [2019-11-07 01:01:52,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:52,492 INFO L93 Difference]: Finished difference Result 1062 states and 1360 transitions. [2019-11-07 01:01:52,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:52,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-11-07 01:01:52,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:52,496 INFO L225 Difference]: With dead ends: 1062 [2019-11-07 01:01:52,497 INFO L226 Difference]: Without dead ends: 426 [2019-11-07 01:01:52,499 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:52,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-11-07 01:01:52,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 414. [2019-11-07 01:01:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-11-07 01:01:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2019-11-07 01:01:52,528 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 61 [2019-11-07 01:01:52,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:52,528 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2019-11-07 01:01:52,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:01:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2019-11-07 01:01:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:01:52,531 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:52,531 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:52,532 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:52,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:52,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1674870262, now seen corresponding path program 1 times [2019-11-07 01:01:52,532 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:52,532 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146937712] [2019-11-07 01:01:52,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 01:01:52,686 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146937712] [2019-11-07 01:01:52,687 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955330674] [2019-11-07 01:01:52,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:52,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:01:52,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:53,017 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:53,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:53,307 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [888183423] [2019-11-07 01:01:53,314 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 89 [2019-11-07 01:01:53,353 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:53,354 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:53,429 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:53,431 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-11-07 01:01:53,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:53,435 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:53,494 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:53,495 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:53,497 INFO L553 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-11-07 01:01:53,498 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:53,498 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:53,499 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-11-07 01:01:53,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308498525] [2019-11-07 01:01:53,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:53,500 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:53,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:53,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:53,501 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 2 states. [2019-11-07 01:01:53,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:53,507 INFO L93 Difference]: Finished difference Result 414 states and 476 transitions. [2019-11-07 01:01:53,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:53,508 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-11-07 01:01:53,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:53,508 INFO L225 Difference]: With dead ends: 414 [2019-11-07 01:01:53,508 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:53,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:53,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:53,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-11-07 01:01:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:53,511 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:53,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:53,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:53,723 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:53,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:53,990 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-11-07 01:01:53,990 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2019-11-07 01:01:53,991 INFO L443 ceAbstractionStarter]: For program point L278(lines 255 279) no Hoare annotation was computed. [2019-11-07 01:01:53,991 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2019-11-07 01:01:53,991 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2019-11-07 01:01:53,991 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-11-07 01:01:53,991 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2019-11-07 01:01:53,991 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2019-11-07 01:01:53,991 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 323) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point L339(lines 312 340) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-11-07 01:01:53,992 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-11-07 01:01:53,993 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2019-11-07 01:01:53,993 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-11-07 01:01:53,993 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-11-07 01:01:53,993 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-11-07 01:01:53,993 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-11-07 01:01:53,993 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2019-11-07 01:01:53,994 INFO L443 ceAbstractionStarter]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2019-11-07 01:01:53,994 INFO L446 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: true [2019-11-07 01:01:53,996 INFO L443 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2019-11-07 01:01:53,996 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2019-11-07 01:01:53,996 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2019-11-07 01:01:53,997 INFO L446 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2019-11-07 01:01:53,997 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-11-07 01:01:53,998 INFO L446 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: true [2019-11-07 01:01:53,999 INFO L443 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2019-11-07 01:01:53,999 INFO L443 ceAbstractionStarter]: For program point L930(lines 930 943) no Hoare annotation was computed. [2019-11-07 01:01:54,000 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-11-07 01:01:54,000 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-11-07 01:01:54,000 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-11-07 01:01:54,000 INFO L446 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: true [2019-11-07 01:01:54,005 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: true [2019-11-07 01:01:54,006 INFO L446 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: true [2019-11-07 01:01:54,006 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-11-07 01:01:54,006 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-11-07 01:01:54,006 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-11-07 01:01:54,006 INFO L446 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: true [2019-11-07 01:01:54,008 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-07 01:01:54,008 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-11-07 01:01:54,008 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-07 01:01:54,008 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-11-07 01:01:54,008 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-07 01:01:54,008 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-11-07 01:01:54,008 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 01:01:54,010 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-07 01:01:54,010 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-11-07 01:01:54,010 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-07 01:01:54,010 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-07 01:01:54,010 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-11-07 01:01:54,010 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-07 01:01:54,010 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-07 01:01:54,011 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-11-07 01:01:54,012 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-07 01:01:54,012 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-07 01:01:54,012 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-11-07 01:01:54,012 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-11-07 01:01:54,012 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2019-11-07 01:01:54,012 INFO L446 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2019-11-07 01:01:54,013 INFO L446 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: true [2019-11-07 01:01:54,013 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-11-07 01:01:54,013 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: true [2019-11-07 01:01:54,014 INFO L446 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: true [2019-11-07 01:01:54,014 INFO L443 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2019-11-07 01:01:54,014 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-11-07 01:01:54,014 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2019-11-07 01:01:54,014 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2019-11-07 01:01:54,014 INFO L446 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: true [2019-11-07 01:01:54,014 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 915) no Hoare annotation was computed. [2019-11-07 01:01:54,015 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: true [2019-11-07 01:01:54,015 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2019-11-07 01:01:54,015 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2019-11-07 01:01:54,015 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2019-11-07 01:01:54,015 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2019-11-07 01:01:54,015 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-11-07 01:01:54,015 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-11-07 01:01:54,015 INFO L443 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2019-11-07 01:01:54,015 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-11-07 01:01:54,016 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2019-11-07 01:01:54,016 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2019-11-07 01:01:54,016 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2019-11-07 01:01:54,016 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 865) no Hoare annotation was computed. [2019-11-07 01:01:54,016 INFO L443 ceAbstractionStarter]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2019-11-07 01:01:54,016 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-11-07 01:01:54,016 INFO L443 ceAbstractionStarter]: For program point L880-1(line 880) no Hoare annotation was computed. [2019-11-07 01:01:54,017 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2019-11-07 01:01:54,017 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2019-11-07 01:01:54,017 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 877) no Hoare annotation was computed. [2019-11-07 01:01:54,017 INFO L443 ceAbstractionStarter]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2019-11-07 01:01:54,017 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2019-11-07 01:01:54,017 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-11-07 01:01:54,017 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-11-07 01:01:54,017 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 532) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 525) no Hoare annotation was computed. [2019-11-07 01:01:54,018 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2019-11-07 01:01:54,019 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: true [2019-11-07 01:01:54,019 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-11-07 01:01:54,019 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-11-07 01:01:54,019 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2019-11-07 01:01:54,019 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2019-11-07 01:01:54,019 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2019-11-07 01:01:54,019 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-11-07 01:01:54,019 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-11-07 01:01:54,020 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2019-11-07 01:01:54,020 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2019-11-07 01:01:54,020 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2019-11-07 01:01:54,020 INFO L446 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2019-11-07 01:01:54,020 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2019-11-07 01:01:54,020 INFO L443 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2019-11-07 01:01:54,020 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: true [2019-11-07 01:01:54,020 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-11-07 01:01:54,021 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-11-07 01:01:54,021 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-11-07 01:01:54,021 INFO L446 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2019-11-07 01:01:54,021 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-11-07 01:01:54,021 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-11-07 01:01:54,021 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2019-11-07 01:01:54,021 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2019-11-07 01:01:54,022 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 640 705) the Hoare annotation is: true [2019-11-07 01:01:54,022 INFO L446 ceAbstractionStarter]: At program point L698(lines 649 699) the Hoare annotation is: true [2019-11-07 01:01:54,022 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2019-11-07 01:01:54,022 INFO L446 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2019-11-07 01:01:54,022 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 692) no Hoare annotation was computed. [2019-11-07 01:01:54,022 INFO L446 ceAbstractionStarter]: At program point L686-1(lines 680 693) the Hoare annotation is: true [2019-11-07 01:01:54,022 INFO L443 ceAbstractionStarter]: For program point L651(lines 650 697) no Hoare annotation was computed. [2019-11-07 01:01:54,022 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 693) no Hoare annotation was computed. [2019-11-07 01:01:54,023 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-11-07 01:01:54,023 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 676) no Hoare annotation was computed. [2019-11-07 01:01:54,023 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2019-11-07 01:01:54,023 INFO L446 ceAbstractionStarter]: At program point L695(lines 650 697) the Hoare annotation is: true [2019-11-07 01:01:54,023 INFO L446 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: true [2019-11-07 01:01:54,023 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-11-07 01:01:54,023 INFO L443 ceAbstractionStarter]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2019-11-07 01:01:54,023 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 479) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 486) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 797 804) no Hoare annotation was computed. [2019-11-07 01:01:54,024 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 613) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point L605-2(lines 605 613) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 597 619) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 597 619) no Hoare annotation was computed. [2019-11-07 01:01:54,025 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 597 619) no Hoare annotation was computed. [2019-11-07 01:01:54,029 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-11-07 01:01:54,030 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2019-11-07 01:01:54,030 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-11-07 01:01:54,031 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2019-11-07 01:01:54,031 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 394) no Hoare annotation was computed. [2019-11-07 01:01:54,031 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-11-07 01:01:54,031 INFO L443 ceAbstractionStarter]: For program point L399(lines 398 418) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 436) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 448) no Hoare annotation was computed. [2019-11-07 01:01:54,032 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2019-11-07 01:01:54,033 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-11-07 01:01:54,033 INFO L443 ceAbstractionStarter]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2019-11-07 01:01:54,033 INFO L443 ceAbstractionStarter]: For program point L419(lines 397 420) no Hoare annotation was computed. [2019-11-07 01:01:54,033 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:54,033 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 01:01:54,033 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:54,033 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-11-07 01:01:54,033 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2019-11-07 01:01:54,034 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-11-07 01:01:54,034 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2019-11-07 01:01:54,034 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-11-07 01:01:54,034 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-11-07 01:01:54,034 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 805 821) no Hoare annotation was computed. [2019-11-07 01:01:54,034 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2019-11-07 01:01:54,034 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2019-11-07 01:01:54,034 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2019-11-07 01:01:54,035 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2019-11-07 01:01:54,035 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2019-11-07 01:01:54,036 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2019-11-07 01:01:54,036 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:54,036 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:54,036 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:54,036 INFO L446 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2019-11-07 01:01:54,036 INFO L446 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: true [2019-11-07 01:01:54,036 INFO L446 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: true [2019-11-07 01:01:54,036 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: true [2019-11-07 01:01:54,036 INFO L443 ceAbstractionStarter]: For program point L718(lines 717 736) no Hoare annotation was computed. [2019-11-07 01:01:54,037 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2019-11-07 01:01:54,037 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2019-11-07 01:01:54,037 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-11-07 01:01:54,038 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-07 01:01:54,038 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-11-07 01:01:54,038 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-07 01:01:54,038 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-11-07 01:01:54,038 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-07 01:01:54,038 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-11-07 01:01:54,038 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-11-07 01:01:54,039 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-11-07 01:01:54,039 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-11-07 01:01:54,039 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2019-11-07 01:01:54,039 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2019-11-07 01:01:54,039 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2019-11-07 01:01:54,039 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2019-11-07 01:01:54,039 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2019-11-07 01:01:54,039 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2019-11-07 01:01:54,040 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-11-07 01:01:54,040 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-11-07 01:01:54,040 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:54,040 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:01:54,040 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:54,040 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:54,040 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2019-11-07 01:01:54,040 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2019-11-07 01:01:54,040 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: true [2019-11-07 01:01:54,041 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2019-11-07 01:01:54,041 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2019-11-07 01:01:54,041 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2019-11-07 01:01:54,041 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2019-11-07 01:01:54,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:54 BoogieIcfgContainer [2019-11-07 01:01:54,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:54,059 INFO L168 Benchmark]: Toolchain (without parser) took 6730.93 ms. Allocated memory was 113.2 MB in the beginning and 232.3 MB in the end (delta: 119.0 MB). Free memory was 72.6 MB in the beginning and 135.0 MB in the end (delta: -62.5 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:54,060 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory was 91.0 MB in the beginning and 90.9 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2019-11-07 01:01:54,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.96 ms. Allocated memory was 113.2 MB in the beginning and 165.2 MB in the end (delta: 51.9 MB). Free memory was 72.3 MB in the beginning and 139.2 MB in the end (delta: -66.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:54,069 INFO L168 Benchmark]: Boogie Preprocessor took 89.85 ms. Allocated memory is still 165.2 MB. Free memory was 139.2 MB in the beginning and 134.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:54,073 INFO L168 Benchmark]: RCFGBuilder took 1345.04 ms. Allocated memory was 165.2 MB in the beginning and 187.2 MB in the end (delta: 22.0 MB). Free memory was 134.9 MB in the beginning and 125.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:54,074 INFO L168 Benchmark]: TraceAbstraction took 4554.30 ms. Allocated memory was 187.2 MB in the beginning and 232.3 MB in the end (delta: 45.1 MB). Free memory was 125.3 MB in the beginning and 135.0 MB in the end (delta: -9.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:54,082 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 113.2 MB. Free memory was 91.0 MB in the beginning and 90.9 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.96 ms. Allocated memory was 113.2 MB in the beginning and 165.2 MB in the end (delta: 51.9 MB). Free memory was 72.3 MB in the beginning and 139.2 MB in the end (delta: -66.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.85 ms. Allocated memory is still 165.2 MB. Free memory was 139.2 MB in the beginning and 134.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1345.04 ms. Allocated memory was 165.2 MB in the beginning and 187.2 MB in the end (delta: 22.0 MB). Free memory was 134.9 MB in the beginning and 125.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4554.30 ms. Allocated memory was 187.2 MB in the beginning and 232.3 MB in the end (delta: 45.1 MB). Free memory was 125.3 MB in the beginning and 135.0 MB in the end (delta: -9.8 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 726 SDtfs, 601 SDslu, 1657 SDs, 0 SdLazy, 568 SolverSat, 129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 191 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 721 PreInvPairs, 722 NumberOfFragments, 62 HoareAnnotationTreeSize, 721 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 78004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 122, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0804597701149425, 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...