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_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:51,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:51,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:51,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:51,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:51,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:51,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:51,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:51,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:51,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:51,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:51,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:51,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:51,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:51,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:51,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:51,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:51,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:51,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:51,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:51,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:51,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:51,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:51,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:51,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:51,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:51,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:51,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:51,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:51,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:51,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:51,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:51,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:51,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:51,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:51,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:51,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:51,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:51,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:51,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:51,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:51,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:51,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:52,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:52,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:52,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:52,002 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:52,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:52,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:52,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:52,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:52,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:52,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:52,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:52,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:52,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:52,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:52,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:52,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:52,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:52,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:52,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:52,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:52,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:52,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:52,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:52,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:52,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:52,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:52,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:52,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:52,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:52,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:52,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:52,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:52,322 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:52,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-10-15 01:21:52,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dcae2f1/6dd33a529c3d41589684993ed31c3192/FLAG84c60b75b [2019-10-15 01:21:52,934 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:52,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2019-10-15 01:21:52,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dcae2f1/6dd33a529c3d41589684993ed31c3192/FLAG84c60b75b [2019-10-15 01:21:53,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3dcae2f1/6dd33a529c3d41589684993ed31c3192 [2019-10-15 01:21:53,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:53,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:53,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:53,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:53,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:53,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:53,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dc86bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53, skipping insertion in model container [2019-10-15 01:21:53,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:53,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:53,327 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:53,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:53,833 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:53,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:53,989 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:53,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53 WrapperNode [2019-10-15 01:21:53,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:53,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:53,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:53,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:54,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:54,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:54,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:54,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:54,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:54,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:54,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... [2019-10-15 01:21:54,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:54,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:54,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:54,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:54,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:54,171 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:54,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:54,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:54,172 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:54,173 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:54,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:54,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:54,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:54,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:54,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:54,175 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:54,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:54,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:54,182 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:54,182 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:54,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:54,182 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:54,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:54,183 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:54,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:55,410 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:55,411 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:55,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:55 BoogieIcfgContainer [2019-10-15 01:21:55,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:55,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:55,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:55,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:55,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:53" (1/3) ... [2019-10-15 01:21:55,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9b06fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:55, skipping insertion in model container [2019-10-15 01:21:55,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:53" (2/3) ... [2019-10-15 01:21:55,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9b06fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:55, skipping insertion in model container [2019-10-15 01:21:55,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:55" (3/3) ... [2019-10-15 01:21:55,422 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2019-10-15 01:21:55,433 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:55,442 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:55,454 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:55,487 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:55,487 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:55,488 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:55,488 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:55,488 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:55,488 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:55,488 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:55,488 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:55,512 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2019-10-15 01:21:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:55,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:55,524 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:55,526 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:55,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:55,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times [2019-10-15 01:21:55,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:55,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912584739] [2019-10-15 01:21:55,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:55,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:55,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:55,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912584739] [2019-10-15 01:21:55,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:55,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:55,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778850773] [2019-10-15 01:21:55,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:55,900 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:55,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:55,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:55,918 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2019-10-15 01:21:55,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:55,965 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2019-10-15 01:21:55,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:55,967 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:55,988 INFO L225 Difference]: With dead ends: 280 [2019-10-15 01:21:55,988 INFO L226 Difference]: Without dead ends: 142 [2019-10-15 01:21:55,995 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-10-15 01:21:56,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-10-15 01:21:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-15 01:21:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2019-10-15 01:21:56,092 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2019-10-15 01:21:56,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:56,094 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2019-10-15 01:21:56,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2019-10-15 01:21:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:21:56,104 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:56,105 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:56,105 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:56,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:56,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1701396789, now seen corresponding path program 1 times [2019-10-15 01:21:56,108 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:56,108 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471877322] [2019-10-15 01:21:56,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:56,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:56,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:56,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471877322] [2019-10-15 01:21:56,310 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:56,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:56,311 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732768319] [2019-10-15 01:21:56,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:56,314 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:56,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:56,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:56,315 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2019-10-15 01:21:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:56,360 INFO L93 Difference]: Finished difference Result 225 states and 263 transitions. [2019-10-15 01:21:56,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:56,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:21:56,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:56,367 INFO L225 Difference]: With dead ends: 225 [2019-10-15 01:21:56,369 INFO L226 Difference]: Without dead ends: 133 [2019-10-15 01:21:56,372 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:56,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-15 01:21:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-15 01:21:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-15 01:21:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2019-10-15 01:21:56,399 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2019-10-15 01:21:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:56,400 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2019-10-15 01:21:56,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:56,400 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2019-10-15 01:21:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:21:56,405 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:56,405 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:56,406 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:56,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:56,406 INFO L82 PathProgramCache]: Analyzing trace with hash -835538636, now seen corresponding path program 1 times [2019-10-15 01:21:56,406 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:56,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483657666] [2019-10-15 01:21:56,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:56,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:56,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:56,637 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483657666] [2019-10-15 01:21:56,637 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:56,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:56,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457704315] [2019-10-15 01:21:56,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:56,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:56,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:56,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:56,641 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 7 states. [2019-10-15 01:21:57,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:57,021 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-10-15 01:21:57,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:57,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-15 01:21:57,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:57,024 INFO L225 Difference]: With dead ends: 238 [2019-10-15 01:21:57,024 INFO L226 Difference]: Without dead ends: 133 [2019-10-15 01:21:57,026 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:57,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-15 01:21:57,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-15 01:21:57,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-15 01:21:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2019-10-15 01:21:57,041 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2019-10-15 01:21:57,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:57,043 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2019-10-15 01:21:57,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2019-10-15 01:21:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-15 01:21:57,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:57,046 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:57,046 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:57,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:57,047 INFO L82 PathProgramCache]: Analyzing trace with hash -192684169, now seen corresponding path program 1 times [2019-10-15 01:21:57,047 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:57,047 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208295229] [2019-10-15 01:21:57,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:57,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208295229] [2019-10-15 01:21:57,194 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:57,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:21:57,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029112155] [2019-10-15 01:21:57,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:21:57,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:57,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:21:57,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:57,198 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 5 states. [2019-10-15 01:21:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:57,763 INFO L93 Difference]: Finished difference Result 344 states and 415 transitions. [2019-10-15 01:21:57,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:57,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-15 01:21:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:57,766 INFO L225 Difference]: With dead ends: 344 [2019-10-15 01:21:57,767 INFO L226 Difference]: Without dead ends: 239 [2019-10-15 01:21:57,768 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-15 01:21:57,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2019-10-15 01:21:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-15 01:21:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2019-10-15 01:21:57,792 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2019-10-15 01:21:57,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:57,792 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2019-10-15 01:21:57,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:21:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2019-10-15 01:21:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:21:57,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:57,794 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:57,795 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:57,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:57,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1827957124, now seen corresponding path program 1 times [2019-10-15 01:21:57,795 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:57,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109194152] [2019-10-15 01:21:57,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:57,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109194152] [2019-10-15 01:21:57,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:57,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:21:57,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525202381] [2019-10-15 01:21:57,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:21:57,979 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:57,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:21:57,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:57,981 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 8 states. [2019-10-15 01:21:58,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:58,059 INFO L93 Difference]: Finished difference Result 419 states and 493 transitions. [2019-10-15 01:21:58,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:58,060 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-10-15 01:21:58,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:58,063 INFO L225 Difference]: With dead ends: 419 [2019-10-15 01:21:58,064 INFO L226 Difference]: Without dead ends: 227 [2019-10-15 01:21:58,065 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:58,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-15 01:21:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2019-10-15 01:21:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-15 01:21:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2019-10-15 01:21:58,084 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2019-10-15 01:21:58,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:58,085 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2019-10-15 01:21:58,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:21:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2019-10-15 01:21:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:21:58,087 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:58,087 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:58,087 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:58,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:58,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1850589378, now seen corresponding path program 1 times [2019-10-15 01:21:58,088 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:58,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543405725] [2019-10-15 01:21:58,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:58,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:58,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543405725] [2019-10-15 01:21:58,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:58,196 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:58,196 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017461600] [2019-10-15 01:21:58,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:58,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:58,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:58,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:58,199 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 7 states. [2019-10-15 01:21:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:58,860 INFO L93 Difference]: Finished difference Result 438 states and 517 transitions. [2019-10-15 01:21:58,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:21:58,861 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-10-15 01:21:58,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:58,864 INFO L225 Difference]: With dead ends: 438 [2019-10-15 01:21:58,864 INFO L226 Difference]: Without dead ends: 242 [2019-10-15 01:21:58,865 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:21:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-10-15 01:21:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 223. [2019-10-15 01:21:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2019-10-15 01:21:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2019-10-15 01:21:58,906 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2019-10-15 01:21:58,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:58,907 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2019-10-15 01:21:58,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2019-10-15 01:21:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 01:21:58,908 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:58,909 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:58,909 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:58,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:58,910 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times [2019-10-15 01:21:58,910 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:58,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799305666] [2019-10-15 01:21:58,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:58,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799305666] [2019-10-15 01:21:58,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:58,988 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:58,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300765920] [2019-10-15 01:21:58,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:58,989 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:58,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:58,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:58,989 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 6 states. [2019-10-15 01:21:59,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:59,026 INFO L93 Difference]: Finished difference Result 423 states and 488 transitions. [2019-10-15 01:21:59,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:59,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-15 01:21:59,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:59,029 INFO L225 Difference]: With dead ends: 423 [2019-10-15 01:21:59,029 INFO L226 Difference]: Without dead ends: 228 [2019-10-15 01:21:59,030 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:59,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-15 01:21:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-10-15 01:21:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-10-15 01:21:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2019-10-15 01:21:59,045 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2019-10-15 01:21:59,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:59,046 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2019-10-15 01:21:59,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2019-10-15 01:21:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 01:21:59,047 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:59,048 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:59,048 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:59,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:59,049 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times [2019-10-15 01:21:59,049 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:59,049 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660431758] [2019-10-15 01:21:59,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:59,141 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660431758] [2019-10-15 01:21:59,141 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:59,141 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:59,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401291157] [2019-10-15 01:21:59,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:59,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:59,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:59,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:59,144 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 4 states. [2019-10-15 01:21:59,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:59,408 INFO L93 Difference]: Finished difference Result 667 states and 791 transitions. [2019-10-15 01:21:59,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:21:59,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-10-15 01:21:59,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:59,412 INFO L225 Difference]: With dead ends: 667 [2019-10-15 01:21:59,413 INFO L226 Difference]: Without dead ends: 467 [2019-10-15 01:21:59,414 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:59,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-10-15 01:21:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 458. [2019-10-15 01:21:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-15 01:21:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 532 transitions. [2019-10-15 01:21:59,448 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 532 transitions. Word has length 93 [2019-10-15 01:21:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:59,448 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 532 transitions. [2019-10-15 01:21:59,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 532 transitions. [2019-10-15 01:21:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-15 01:21:59,450 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:59,450 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:59,451 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:59,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:59,451 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times [2019-10-15 01:21:59,451 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:59,452 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934284963] [2019-10-15 01:21:59,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:59,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934284963] [2019-10-15 01:21:59,636 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:59,636 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:21:59,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518451408] [2019-10-15 01:21:59,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:21:59,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:59,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:21:59,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:59,638 INFO L87 Difference]: Start difference. First operand 458 states and 532 transitions. Second operand 9 states. [2019-10-15 01:22:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:00,711 INFO L93 Difference]: Finished difference Result 1203 states and 1461 transitions. [2019-10-15 01:22:00,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:00,714 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-15 01:22:00,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:00,719 INFO L225 Difference]: With dead ends: 1203 [2019-10-15 01:22:00,720 INFO L226 Difference]: Without dead ends: 845 [2019-10-15 01:22:00,722 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:22:00,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-15 01:22:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 764. [2019-10-15 01:22:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2019-10-15 01:22:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 877 transitions. [2019-10-15 01:22:00,773 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 877 transitions. Word has length 97 [2019-10-15 01:22:00,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:00,773 INFO L462 AbstractCegarLoop]: Abstraction has 764 states and 877 transitions. [2019-10-15 01:22:00,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 877 transitions. [2019-10-15 01:22:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 01:22:00,776 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:00,777 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:00,777 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:00,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:00,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times [2019-10-15 01:22:00,778 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:00,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247646035] [2019-10-15 01:22:00,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:22:00,999 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247646035] [2019-10-15 01:22:01,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499244789] [2019-10-15 01:22:01,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:01,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:22:01,499 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:22:01,959 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1553362189] [2019-10-15 01:22:01,967 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 160 [2019-10-15 01:22:02,025 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:02,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:02,095 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:02,097 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 128 variables. [2019-10-15 01:22:02,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:02,101 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:02,178 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:02,178 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:02,185 INFO L553 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2019-10-15 01:22:02,185 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:02,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:02,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:22:02,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392432202] [2019-10-15 01:22:02,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:02,189 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:02,189 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:02,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:02,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:02,189 INFO L87 Difference]: Start difference. First operand 764 states and 877 transitions. Second operand 2 states. [2019-10-15 01:22:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:02,199 INFO L93 Difference]: Finished difference Result 764 states and 877 transitions. [2019-10-15 01:22:02,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:02,200 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-15 01:22:02,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:02,200 INFO L225 Difference]: With dead ends: 764 [2019-10-15 01:22:02,200 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:02,202 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:02,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:02,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:02,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2019-10-15 01:22:02,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:02,204 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:02,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:02,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:02,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:02,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:02,652 INFO L443 ceAbstractionStarter]: For program point L543(lines 520 544) no Hoare annotation was computed. [2019-10-15 01:22:02,652 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2019-10-15 01:22:02,652 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2019-10-15 01:22:02,653 INFO L443 ceAbstractionStarter]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2019-10-15 01:22:02,653 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-10-15 01:22:02,653 INFO L443 ceAbstractionStarter]: For program point L521-2(lines 521 542) no Hoare annotation was computed. [2019-10-15 01:22:02,653 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2019-10-15 01:22:02,653 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2019-10-15 01:22:02,653 INFO L443 ceAbstractionStarter]: For program point L578-2(lines 578 603) no Hoare annotation was computed. [2019-10-15 01:22:02,653 INFO L443 ceAbstractionStarter]: For program point L604(lines 577 605) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point L597-1(line 597) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2019-10-15 01:22:02,654 INFO L443 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed. [2019-10-15 01:22:02,655 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2019-10-15 01:22:02,655 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2019-10-15 01:22:02,655 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2019-10-15 01:22:02,655 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2019-10-15 01:22:02,655 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2019-10-15 01:22:02,656 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: true [2019-10-15 01:22:02,656 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2019-10-15 01:22:02,656 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2019-10-15 01:22:02,656 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: true [2019-10-15 01:22:02,656 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2019-10-15 01:22:02,656 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-15 01:22:02,656 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2019-10-15 01:22:02,656 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2019-10-15 01:22:02,657 INFO L446 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2019-10-15 01:22:02,657 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2019-10-15 01:22:02,657 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-10-15 01:22:02,657 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2019-10-15 01:22:02,657 INFO L446 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: true [2019-10-15 01:22:02,657 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-15 01:22:02,657 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-10-15 01:22:02,657 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2019-10-15 01:22:02,658 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-15 01:22:02,658 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-15 01:22:02,658 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: true [2019-10-15 01:22:02,658 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2019-10-15 01:22:02,658 INFO L446 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: true [2019-10-15 01:22:02,658 INFO L446 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: true [2019-10-15 01:22:02,658 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2019-10-15 01:22:02,658 INFO L443 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2019-10-15 01:22:02,659 INFO L443 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-10-15 01:22:02,659 INFO L446 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: true [2019-10-15 01:22:02,659 INFO L446 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: true [2019-10-15 01:22:02,659 INFO L446 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: true [2019-10-15 01:22:02,659 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2019-10-15 01:22:02,659 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2019-10-15 01:22:02,659 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-15 01:22:02,660 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2019-10-15 01:22:02,661 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2019-10-15 01:22:02,662 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2019-10-15 01:22:02,662 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-10-15 01:22:02,662 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2019-10-15 01:22:02,662 INFO L446 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2019-10-15 01:22:02,662 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2019-10-15 01:22:02,662 INFO L443 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2019-10-15 01:22:02,662 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point L217-1(line 217) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2019-10-15 01:22:02,663 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2019-10-15 01:22:02,664 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2019-10-15 01:22:02,664 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2019-10-15 01:22:02,664 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2019-10-15 01:22:02,664 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2019-10-15 01:22:02,664 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2019-10-15 01:22:02,664 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2019-10-15 01:22:02,664 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2019-10-15 01:22:02,664 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2019-10-15 01:22:02,665 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 790) no Hoare annotation was computed. [2019-10-15 01:22:02,665 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2019-10-15 01:22:02,665 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 797) no Hoare annotation was computed. [2019-10-15 01:22:02,665 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2019-10-15 01:22:02,665 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2019-10-15 01:22:02,665 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: true [2019-10-15 01:22:02,665 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2019-10-15 01:22:02,665 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2019-10-15 01:22:02,666 INFO L446 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: true [2019-10-15 01:22:02,666 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2019-10-15 01:22:02,666 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-15 01:22:02,666 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-15 01:22:02,666 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2019-10-15 01:22:02,666 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2019-10-15 01:22:02,666 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: true [2019-10-15 01:22:02,666 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2019-10-15 01:22:02,667 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2019-10-15 01:22:02,667 INFO L443 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2019-10-15 01:22:02,667 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2019-10-15 01:22:02,667 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2019-10-15 01:22:02,667 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2019-10-15 01:22:02,667 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2019-10-15 01:22:02,667 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: true [2019-10-15 01:22:02,667 INFO L446 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: true [2019-10-15 01:22:02,668 INFO L443 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2019-10-15 01:22:02,668 INFO L446 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: true [2019-10-15 01:22:02,668 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-10-15 01:22:02,668 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2019-10-15 01:22:02,668 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-10-15 01:22:02,668 INFO L443 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2019-10-15 01:22:02,668 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2019-10-15 01:22:02,668 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2019-10-15 01:22:02,669 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2019-10-15 01:22:02,669 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: true [2019-10-15 01:22:02,669 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-15 01:22:02,669 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2019-10-15 01:22:02,669 INFO L446 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: true [2019-10-15 01:22:02,669 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2019-10-15 01:22:02,669 INFO L446 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: true [2019-10-15 01:22:02,670 INFO L443 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2019-10-15 01:22:02,670 INFO L446 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: true [2019-10-15 01:22:02,670 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2019-10-15 01:22:02,670 INFO L446 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: true [2019-10-15 01:22:02,670 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2019-10-15 01:22:02,670 INFO L443 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2019-10-15 01:22:02,670 INFO L446 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: true [2019-10-15 01:22:02,670 INFO L446 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: true [2019-10-15 01:22:02,671 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2019-10-15 01:22:02,671 INFO L443 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2019-10-15 01:22:02,671 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2019-10-15 01:22:02,671 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 744) no Hoare annotation was computed. [2019-10-15 01:22:02,671 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 751) no Hoare annotation was computed. [2019-10-15 01:22:02,671 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2019-10-15 01:22:02,671 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2019-10-15 01:22:02,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2019-10-15 01:22:02,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2019-10-15 01:22:02,672 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2019-10-15 01:22:02,672 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2019-10-15 01:22:02,672 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2019-10-15 01:22:02,672 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 404) no Hoare annotation was computed. [2019-10-15 01:22:02,672 INFO L443 ceAbstractionStarter]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2019-10-15 01:22:02,672 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 642) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 713) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 669) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point L663-2(lines 663 683) no Hoare annotation was computed. [2019-10-15 01:22:02,673 INFO L443 ceAbstractionStarter]: For program point L684(lines 662 685) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 659) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point L703(lines 703 710) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point L664(lines 663 683) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 701) no Hoare annotation was computed. [2019-10-15 01:22:02,674 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2019-10-15 01:22:02,675 INFO L443 ceAbstractionStarter]: For program point L679(line 679) no Hoare annotation was computed. [2019-10-15 01:22:02,675 INFO L443 ceAbstractionStarter]: For program point L679-1(line 679) no Hoare annotation was computed. [2019-10-15 01:22:02,675 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2019-10-15 01:22:02,675 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2019-10-15 01:22:02,675 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2019-10-15 01:22:02,675 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:02,675 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:22:02,676 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:02,676 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2019-10-15 01:22:02,676 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2019-10-15 01:22:02,676 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: true [2019-10-15 01:22:02,676 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2019-10-15 01:22:02,676 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2019-10-15 01:22:02,676 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2019-10-15 01:22:02,676 INFO L443 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2019-10-15 01:22:02,677 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2019-10-15 01:22:02,677 INFO L443 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2019-10-15 01:22:02,677 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2019-10-15 01:22:02,677 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2019-10-15 01:22:02,677 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2019-10-15 01:22:02,677 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2019-10-15 01:22:02,677 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2019-10-15 01:22:02,678 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2019-10-15 01:22:02,679 INFO L446 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: true [2019-10-15 01:22:02,679 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: true [2019-10-15 01:22:02,679 INFO L446 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: true [2019-10-15 01:22:02,679 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2019-10-15 01:22:02,679 INFO L446 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: true [2019-10-15 01:22:02,679 INFO L443 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed. [2019-10-15 01:22:02,679 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2019-10-15 01:22:02,679 INFO L443 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed. [2019-10-15 01:22:02,680 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2019-10-15 01:22:02,680 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2019-10-15 01:22:02,680 INFO L446 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true [2019-10-15 01:22:02,680 INFO L443 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2019-10-15 01:22:02,680 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2019-10-15 01:22:02,680 INFO L446 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2019-10-15 01:22:02,680 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2019-10-15 01:22:02,681 INFO L446 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2019-10-15 01:22:02,681 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2019-10-15 01:22:02,681 INFO L443 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2019-10-15 01:22:02,681 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: true [2019-10-15 01:22:02,681 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2019-10-15 01:22:02,681 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2019-10-15 01:22:02,681 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2019-10-15 01:22:02,681 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2019-10-15 01:22:02,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:02,682 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:02,682 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:02,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:02,682 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2019-10-15 01:22:02,682 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: true [2019-10-15 01:22:02,682 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2019-10-15 01:22:02,682 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: true [2019-10-15 01:22:02,683 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2019-10-15 01:22:02,683 INFO L446 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: true [2019-10-15 01:22:02,683 INFO L443 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2019-10-15 01:22:02,683 INFO L446 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: true [2019-10-15 01:22:02,683 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2019-10-15 01:22:02,683 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2019-10-15 01:22:02,683 INFO L446 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: true [2019-10-15 01:22:02,684 INFO L443 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2019-10-15 01:22:02,684 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2019-10-15 01:22:02,684 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2019-10-15 01:22:02,684 INFO L443 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2019-10-15 01:22:02,684 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: true [2019-10-15 01:22:02,684 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:22:02,685 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:22:02,685 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:22:02,685 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:22:02,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:02 BoogieIcfgContainer [2019-10-15 01:22:02,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:02,697 INFO L168 Benchmark]: Toolchain (without parser) took 9460.74 ms. Allocated memory was 144.2 MB in the beginning and 329.8 MB in the end (delta: 185.6 MB). Free memory was 99.8 MB in the beginning and 204.1 MB in the end (delta: -104.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:02,698 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:22:02,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.16 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 167.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:02,700 INFO L168 Benchmark]: Boogie Preprocessor took 90.30 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:02,701 INFO L168 Benchmark]: RCFGBuilder took 1328.99 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 163.6 MB in the beginning and 193.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:02,701 INFO L168 Benchmark]: TraceAbstraction took 7280.22 ms. Allocated memory was 232.8 MB in the beginning and 329.8 MB in the end (delta: 97.0 MB). Free memory was 193.9 MB in the beginning and 204.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:02,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.16 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 167.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.30 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1328.99 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 163.6 MB in the beginning and 193.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7280.22 ms. Allocated memory was 232.8 MB in the beginning and 329.8 MB in the end (delta: 97.0 MB). Free memory was 193.9 MB in the beginning and 204.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 249 locations, 1 error locations. Result: SAFE, OverallTime: 7.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1568 SDtfs, 1101 SDslu, 3085 SDs, 0 SdLazy, 1765 SolverSat, 395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=764occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 131 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 905 PreInvPairs, 906 NumberOfFragments, 73 HoareAnnotationTreeSize, 905 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 1047 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 237699 SizeOfPredicates, 4 NumberOfNonLiveVariables, 940 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 127/156 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 135, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8481012658227848, 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...