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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:41,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:41,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:41,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:41,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:41,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:41,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:41,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:41,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:41,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:41,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:41,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:41,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:41,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:41,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:41,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:41,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:41,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:41,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:41,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:41,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:41,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:41,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:41,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:41,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:41,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:41,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:41,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:41,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:41,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:41,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:41,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:41,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:41,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:41,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:41,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:41,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:41,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:41,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:41,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:41,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:41,970 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 01:21:42,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:42,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:42,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:42,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:42,005 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:42,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:42,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:42,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:42,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:42,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:42,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:42,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:42,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:42,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:42,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:42,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:42,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:42,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:42,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:42,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:42,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:42,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:42,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:42,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:42,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:42,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:42,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:42,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:42,013 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 01:21:42,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:42,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:42,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:42,320 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:42,321 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:42,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2019-10-15 01:21:42,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebedbc811/614a2ec2b05c4e5d8508d332f2c937d9/FLAG1a68ccf34 [2019-10-15 01:21:42,946 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:42,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2019-10-15 01:21:42,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebedbc811/614a2ec2b05c4e5d8508d332f2c937d9/FLAG1a68ccf34 [2019-10-15 01:21:43,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebedbc811/614a2ec2b05c4e5d8508d332f2c937d9 [2019-10-15 01:21:43,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:43,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:43,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:43,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:43,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:43,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:43,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b36d77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43, skipping insertion in model container [2019-10-15 01:21:43,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:43,306 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:43,372 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:43,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:43,847 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:43,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:43,976 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:43,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43 WrapperNode [2019-10-15 01:21:43,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:43,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:43,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:43,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:43,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:43,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:44,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:44,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:44,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:44,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:44,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (1/1) ... [2019-10-15 01:21:44,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:44,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:44,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:44,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:44,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (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 01:21:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:44,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:44,164 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:44,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:44,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:44,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:44,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:44,170 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:44,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:44,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:44,176 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:44,177 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:44,178 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:44,179 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:45,261 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:45,262 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:45,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:45 BoogieIcfgContainer [2019-10-15 01:21:45,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:45,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:45,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:45,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:45,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:43" (1/3) ... [2019-10-15 01:21:45,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b53558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:45, skipping insertion in model container [2019-10-15 01:21:45,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:43" (2/3) ... [2019-10-15 01:21:45,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b53558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:45, skipping insertion in model container [2019-10-15 01:21:45,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:45" (3/3) ... [2019-10-15 01:21:45,273 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2019-10-15 01:21:45,284 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:45,293 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:45,305 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:45,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:45,334 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:45,335 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:45,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:45,335 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:45,335 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:45,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:45,335 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-10-15 01:21:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:45,370 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:45,371 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 01:21:45,373 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:45,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:45,379 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times [2019-10-15 01:21:45,389 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:45,389 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249414794] [2019-10-15 01:21:45,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:45,750 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 01:21:45,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249414794] [2019-10-15 01:21:45,752 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:45,752 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:45,752 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050703064] [2019-10-15 01:21:45,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:45,759 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:45,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:45,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:45,776 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-10-15 01:21:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:45,815 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions. [2019-10-15 01:21:45,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:45,816 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:45,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:45,831 INFO L225 Difference]: With dead ends: 256 [2019-10-15 01:21:45,832 INFO L226 Difference]: Without dead ends: 130 [2019-10-15 01:21:45,839 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 01:21:45,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-15 01:21:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-15 01:21:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-15 01:21:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2019-10-15 01:21:45,892 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2019-10-15 01:21:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:45,892 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2019-10-15 01:21:45,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2019-10-15 01:21:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:21:45,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:45,897 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 01:21:45,898 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:45,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:45,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1441424744, now seen corresponding path program 1 times [2019-10-15 01:21:45,899 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:45,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228255966] [2019-10-15 01:21:45,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:46,035 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 01:21:46,035 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228255966] [2019-10-15 01:21:46,036 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:46,036 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:46,036 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189715115] [2019-10-15 01:21:46,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:46,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:46,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:46,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:46,039 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2019-10-15 01:21:46,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:46,062 INFO L93 Difference]: Finished difference Result 205 states and 237 transitions. [2019-10-15 01:21:46,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:46,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:21:46,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:46,066 INFO L225 Difference]: With dead ends: 205 [2019-10-15 01:21:46,066 INFO L226 Difference]: Without dead ends: 121 [2019-10-15 01:21:46,067 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 01:21:46,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-15 01:21:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-15 01:21:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-15 01:21:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2019-10-15 01:21:46,083 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 60 [2019-10-15 01:21:46,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:46,083 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2019-10-15 01:21:46,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2019-10-15 01:21:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:21:46,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:46,086 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] [2019-10-15 01:21:46,087 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:46,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:46,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times [2019-10-15 01:21:46,087 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:46,088 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535731819] [2019-10-15 01:21:46,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:46,287 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 01:21:46,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535731819] [2019-10-15 01:21:46,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:46,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:46,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875111434] [2019-10-15 01:21:46,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:46,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:46,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:46,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:46,292 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2019-10-15 01:21:46,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:46,673 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2019-10-15 01:21:46,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:46,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-15 01:21:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:46,676 INFO L225 Difference]: With dead ends: 214 [2019-10-15 01:21:46,676 INFO L226 Difference]: Without dead ends: 121 [2019-10-15 01:21:46,677 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 01:21:46,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-15 01:21:46,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-15 01:21:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-15 01:21:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2019-10-15 01:21:46,704 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 64 [2019-10-15 01:21:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:46,707 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2019-10-15 01:21:46,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2019-10-15 01:21:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-15 01:21:46,713 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:46,715 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] [2019-10-15 01:21:46,715 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:46,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:46,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times [2019-10-15 01:21:46,716 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:46,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854830757] [2019-10-15 01:21:46,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,717 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:46,871 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 01:21:46,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854830757] [2019-10-15 01:21:46,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:46,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:21:46,872 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452006459] [2019-10-15 01:21:46,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:21:46,874 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:46,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:21:46,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:46,875 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 5 states. [2019-10-15 01:21:47,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,379 INFO L93 Difference]: Finished difference Result 306 states and 367 transitions. [2019-10-15 01:21:47,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:47,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-10-15 01:21:47,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,383 INFO L225 Difference]: With dead ends: 306 [2019-10-15 01:21:47,383 INFO L226 Difference]: Without dead ends: 213 [2019-10-15 01:21:47,391 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:47,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-10-15 01:21:47,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2019-10-15 01:21:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-10-15 01:21:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 225 transitions. [2019-10-15 01:21:47,446 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 225 transitions. Word has length 72 [2019-10-15 01:21:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,448 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 225 transitions. [2019-10-15 01:21:47,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:21:47,449 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 225 transitions. [2019-10-15 01:21:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 01:21:47,457 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,457 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] [2019-10-15 01:21:47,457 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,458 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times [2019-10-15 01:21:47,458 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097164522] [2019-10-15 01:21:47,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,638 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 01:21:47,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097164522] [2019-10-15 01:21:47,639 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:47,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187657802] [2019-10-15 01:21:47,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:47,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:47,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:47,641 INFO L87 Difference]: Start difference. First operand 195 states and 225 transitions. Second operand 7 states. [2019-10-15 01:21:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:48,275 INFO L93 Difference]: Finished difference Result 379 states and 450 transitions. [2019-10-15 01:21:48,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:21:48,275 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-10-15 01:21:48,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:48,278 INFO L225 Difference]: With dead ends: 379 [2019-10-15 01:21:48,278 INFO L226 Difference]: Without dead ends: 212 [2019-10-15 01:21:48,279 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 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 01:21:48,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-15 01:21:48,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 194. [2019-10-15 01:21:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-15 01:21:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 222 transitions. [2019-10-15 01:21:48,305 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 222 transitions. Word has length 86 [2019-10-15 01:21:48,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:48,307 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 222 transitions. [2019-10-15 01:21:48,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2019-10-15 01:21:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:21:48,311 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:48,311 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, 1, 1, 1, 1, 1] [2019-10-15 01:21:48,311 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:48,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:48,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times [2019-10-15 01:21:48,312 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:48,312 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360430757] [2019-10-15 01:21:48,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:48,437 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 01:21:48,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360430757] [2019-10-15 01:21:48,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:48,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:48,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657230864] [2019-10-15 01:21:48,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:48,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:48,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:48,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:48,442 INFO L87 Difference]: Start difference. First operand 194 states and 222 transitions. Second operand 6 states. [2019-10-15 01:21:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:48,488 INFO L93 Difference]: Finished difference Result 367 states and 430 transitions. [2019-10-15 01:21:48,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:48,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2019-10-15 01:21:48,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:48,493 INFO L225 Difference]: With dead ends: 367 [2019-10-15 01:21:48,494 INFO L226 Difference]: Without dead ends: 201 [2019-10-15 01:21:48,495 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 01:21:48,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2019-10-15 01:21:48,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2019-10-15 01:21:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-15 01:21:48,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 227 transitions. [2019-10-15 01:21:48,519 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 227 transitions. Word has length 102 [2019-10-15 01:21:48,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:48,520 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 227 transitions. [2019-10-15 01:21:48,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 227 transitions. [2019-10-15 01:21:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:21:48,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:48,523 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, 1, 1, 1, 1, 1] [2019-10-15 01:21:48,523 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:48,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:48,524 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times [2019-10-15 01:21:48,524 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:48,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147702713] [2019-10-15 01:21:48,524 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:48,658 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 01:21:48,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147702713] [2019-10-15 01:21:48,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:48,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:21:48,659 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705377161] [2019-10-15 01:21:48,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:21:48,660 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:48,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:21:48,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:48,662 INFO L87 Difference]: Start difference. First operand 199 states and 227 transitions. Second operand 8 states. [2019-10-15 01:21:48,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:48,698 INFO L93 Difference]: Finished difference Result 377 states and 441 transitions. [2019-10-15 01:21:48,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:48,699 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-15 01:21:48,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:48,701 INFO L225 Difference]: With dead ends: 377 [2019-10-15 01:21:48,701 INFO L226 Difference]: Without dead ends: 206 [2019-10-15 01:21:48,702 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 01:21:48,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-10-15 01:21:48,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 203. [2019-10-15 01:21:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-15 01:21:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2019-10-15 01:21:48,718 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 102 [2019-10-15 01:21:48,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:48,719 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2019-10-15 01:21:48,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:21:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2019-10-15 01:21:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:21:48,724 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:48,724 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, 1, 1, 1, 1, 1] [2019-10-15 01:21:48,725 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:48,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:48,725 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times [2019-10-15 01:21:48,725 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:48,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227039954] [2019-10-15 01:21:48,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:48,841 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 01:21:48,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227039954] [2019-10-15 01:21:48,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:48,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:48,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038301134] [2019-10-15 01:21:48,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:48,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:48,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:48,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:48,844 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 4 states. [2019-10-15 01:21:49,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:49,057 INFO L93 Difference]: Finished difference Result 568 states and 679 transitions. [2019-10-15 01:21:49,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:21:49,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-10-15 01:21:49,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,060 INFO L225 Difference]: With dead ends: 568 [2019-10-15 01:21:49,060 INFO L226 Difference]: Without dead ends: 393 [2019-10-15 01:21:49,061 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 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 01:21:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-15 01:21:49,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 384. [2019-10-15 01:21:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-15 01:21:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 449 transitions. [2019-10-15 01:21:49,090 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 449 transitions. Word has length 102 [2019-10-15 01:21:49,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:49,090 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 449 transitions. [2019-10-15 01:21:49,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 449 transitions. [2019-10-15 01:21:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-15 01:21:49,092 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:49,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:49,093 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:49,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:49,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times [2019-10-15 01:21:49,093 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:49,093 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99585045] [2019-10-15 01:21:49,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:49,234 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 01:21:49,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99585045] [2019-10-15 01:21:49,235 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:49,235 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:21:49,235 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853688073] [2019-10-15 01:21:49,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:21:49,236 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:49,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:21:49,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:49,237 INFO L87 Difference]: Start difference. First operand 384 states and 449 transitions. Second operand 9 states. [2019-10-15 01:21:50,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,243 INFO L93 Difference]: Finished difference Result 1013 states and 1237 transitions. [2019-10-15 01:21:50,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:21:50,244 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2019-10-15 01:21:50,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,249 INFO L225 Difference]: With dead ends: 1013 [2019-10-15 01:21:50,249 INFO L226 Difference]: Without dead ends: 720 [2019-10-15 01:21:50,251 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 01:21:50,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2019-10-15 01:21:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 650. [2019-10-15 01:21:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2019-10-15 01:21:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 751 transitions. [2019-10-15 01:21:50,300 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 751 transitions. Word has length 106 [2019-10-15 01:21:50,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,300 INFO L462 AbstractCegarLoop]: Abstraction has 650 states and 751 transitions. [2019-10-15 01:21:50,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:21:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 751 transitions. [2019-10-15 01:21:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 01:21:50,303 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:50,303 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,304 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times [2019-10-15 01:21:50,304 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709482789] [2019-10-15 01:21:50,304 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:50,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709482789] [2019-10-15 01:21:50,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432269725] [2019-10-15 01:21:50,479 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 01:21:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:21:50,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:50,874 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:51,299 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [518902393] [2019-10-15 01:21:51,308 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 150 [2019-10-15 01:21:51,376 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:51,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:51,452 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:51,454 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 70 root evaluator evaluations with a maximum evaluation depth of 0. Performed 70 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:21:51,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:51,459 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:51,514 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:51,514 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:51,518 INFO L553 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2019-10-15 01:21:51,518 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:51,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:51,519 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:21:51,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488989593] [2019-10-15 01:21:51,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:51,527 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:51,527 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:51,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:51,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:51,528 INFO L87 Difference]: Start difference. First operand 650 states and 751 transitions. Second operand 2 states. [2019-10-15 01:21:51,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:51,540 INFO L93 Difference]: Finished difference Result 650 states and 751 transitions. [2019-10-15 01:21:51,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:51,540 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 149 [2019-10-15 01:21:51,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:51,541 INFO L225 Difference]: With dead ends: 650 [2019-10-15 01:21:51,541 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:51,546 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 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 01:21:51,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:51,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:51,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:51,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-10-15 01:21:51,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:51,548 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:51,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:51,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:51,758 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:51,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point L634(lines 611 635) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2019-10-15 01:21:52,048 INFO L443 ceAbstractionStarter]: For program point L670(line 670) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point L695(lines 668 696) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 679) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2019-10-15 01:21:52,049 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-15 01:21:52,050 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-15 01:21:52,051 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-15 01:21:52,051 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-15 01:21:52,051 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-15 01:21:52,051 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-15 01:21:52,051 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-15 01:21:52,051 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-15 01:21:52,051 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-15 01:21:52,051 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-15 01:21:52,051 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-15 01:21:52,051 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-15 01:21:52,052 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: true [2019-10-15 01:21:52,052 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-10-15 01:21:52,052 INFO L446 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: true [2019-10-15 01:21:52,052 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-10-15 01:21:52,052 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2019-10-15 01:21:52,052 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2019-10-15 01:21:52,052 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-15 01:21:52,052 INFO L446 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: true [2019-10-15 01:21:52,052 INFO L446 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: true [2019-10-15 01:21:52,052 INFO L446 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: true [2019-10-15 01:21:52,052 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2019-10-15 01:21:52,052 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-15 01:21:52,053 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L444(line 444) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L433(lines 433 441) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 441) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 414 449) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 414 449) no Hoare annotation was computed. [2019-10-15 01:21:52,054 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point L421-2(lines 421 429) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 414 449) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 881) no Hoare annotation was computed. [2019-10-15 01:21:52,055 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 888) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: true [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L446 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: true [2019-10-15 01:21:52,056 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true [2019-10-15 01:21:52,056 INFO L446 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 386 393) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 386 393) no Hoare annotation was computed. [2019-10-15 01:21:52,056 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 386 393) no Hoare annotation was computed. [2019-10-15 01:21:52,057 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed. [2019-10-15 01:21:52,057 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 187) no Hoare annotation was computed. [2019-10-15 01:21:52,057 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true [2019-10-15 01:21:52,057 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed. [2019-10-15 01:21:52,057 INFO L443 ceAbstractionStarter]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2019-10-15 01:21:52,057 INFO L446 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: true [2019-10-15 01:21:52,057 INFO L446 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2019-10-15 01:21:52,057 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 351) no Hoare annotation was computed. [2019-10-15 01:21:52,057 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed. [2019-10-15 01:21:52,058 INFO L446 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2019-10-15 01:21:52,058 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-15 01:21:52,058 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: true [2019-10-15 01:21:52,058 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 356) no Hoare annotation was computed. [2019-10-15 01:21:52,058 INFO L446 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: true [2019-10-15 01:21:52,058 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed. [2019-10-15 01:21:52,058 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true [2019-10-15 01:21:52,059 INFO L443 ceAbstractionStarter]: For program point L481(lines 480 525) no Hoare annotation was computed. [2019-10-15 01:21:52,059 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 470 533) the Hoare annotation is: true [2019-10-15 01:21:52,059 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 521) no Hoare annotation was computed. [2019-10-15 01:21:52,059 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 470 533) no Hoare annotation was computed. [2019-10-15 01:21:52,059 INFO L446 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2019-10-15 01:21:52,059 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 506) no Hoare annotation was computed. [2019-10-15 01:21:52,059 INFO L443 ceAbstractionStarter]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2019-10-15 01:21:52,059 INFO L446 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: true [2019-10-15 01:21:52,060 INFO L446 ceAbstractionStarter]: At program point L523(lines 480 525) the Hoare annotation is: true [2019-10-15 01:21:52,060 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-10-15 01:21:52,060 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2019-10-15 01:21:52,060 INFO L443 ceAbstractionStarter]: For program point L482(lines 482 486) no Hoare annotation was computed. [2019-10-15 01:21:52,060 INFO L446 ceAbstractionStarter]: At program point L526(lines 479 527) the Hoare annotation is: true [2019-10-15 01:21:52,060 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 520) no Hoare annotation was computed. [2019-10-15 01:21:52,060 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 470 533) no Hoare annotation was computed. [2019-10-15 01:21:52,060 INFO L446 ceAbstractionStarter]: At program point L516-2(lines 510 521) the Hoare annotation is: true [2019-10-15 01:21:52,061 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 835) no Hoare annotation was computed. [2019-10-15 01:21:52,061 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2019-10-15 01:21:52,061 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 842) no Hoare annotation was computed. [2019-10-15 01:21:52,061 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2019-10-15 01:21:52,061 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2019-10-15 01:21:52,061 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2019-10-15 01:21:52,061 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: true [2019-10-15 01:21:52,061 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point L153(lines 153 161) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 145 167) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point L153-2(lines 153 161) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 145 167) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 145 167) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-10-15 01:21:52,062 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 804) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L775(lines 753 776) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 750) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 801) no Hoare annotation was computed. [2019-10-15 01:21:52,063 INFO L443 ceAbstractionStarter]: For program point L755(lines 754 774) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 792) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point L770(line 770) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed. [2019-10-15 01:21:52,064 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:52,065 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 01:21:52,065 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:52,065 INFO L446 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: true [2019-10-15 01:21:52,065 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed. [2019-10-15 01:21:52,065 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 369 385) no Hoare annotation was computed. [2019-10-15 01:21:52,065 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: true [2019-10-15 01:21:52,065 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 382) no Hoare annotation was computed. [2019-10-15 01:21:52,066 INFO L446 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: true [2019-10-15 01:21:52,066 INFO L443 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2019-10-15 01:21:52,066 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true [2019-10-15 01:21:52,066 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed. [2019-10-15 01:21:52,066 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed. [2019-10-15 01:21:52,066 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed. [2019-10-15 01:21:52,066 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-10-15 01:21:52,066 INFO L446 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: true [2019-10-15 01:21:52,067 INFO L443 ceAbstractionStarter]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2019-10-15 01:21:52,067 INFO L443 ceAbstractionStarter]: For program point L457-1(line 457) no Hoare annotation was computed. [2019-10-15 01:21:52,067 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true [2019-10-15 01:21:52,067 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed. [2019-10-15 01:21:52,067 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2019-10-15 01:21:52,067 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: true [2019-10-15 01:21:52,067 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2019-10-15 01:21:52,067 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:52,067 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:52,068 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:52,068 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2019-10-15 01:21:52,068 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2019-10-15 01:21:52,068 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2019-10-15 01:21:52,068 INFO L446 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2019-10-15 01:21:52,068 INFO L446 ceAbstractionStarter]: At program point L314(lines 314 320) the Hoare annotation is: true [2019-10-15 01:21:52,068 INFO L446 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2019-10-15 01:21:52,068 INFO L443 ceAbstractionStarter]: For program point L307(lines 303 325) no Hoare annotation was computed. [2019-10-15 01:21:52,069 INFO L443 ceAbstractionStarter]: For program point L305(lines 303 325) no Hoare annotation was computed. [2019-10-15 01:21:52,069 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: true [2019-10-15 01:21:52,069 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed. [2019-10-15 01:21:52,069 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed. [2019-10-15 01:21:52,069 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2019-10-15 01:21:52,069 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2019-10-15 01:21:52,069 INFO L446 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2019-10-15 01:21:52,069 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-15 01:21:52,070 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-10-15 01:21:52,070 INFO L446 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2019-10-15 01:21:52,070 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-15 01:21:52,070 INFO L446 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2019-10-15 01:21:52,070 INFO L446 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2019-10-15 01:21:52,070 INFO L443 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2019-10-15 01:21:52,070 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: true [2019-10-15 01:21:52,071 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed. [2019-10-15 01:21:52,071 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-10-15 01:21:52,071 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2019-10-15 01:21:52,071 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2019-10-15 01:21:52,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:52,071 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:52,071 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:52,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:52,071 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2019-10-15 01:21:52,072 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: true [2019-10-15 01:21:52,072 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-10-15 01:21:52,072 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2019-10-15 01:21:52,072 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2019-10-15 01:21:52,072 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2019-10-15 01:21:52,072 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-10-15 01:21:52,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:52 BoogieIcfgContainer [2019-10-15 01:21:52,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:52,084 INFO L168 Benchmark]: Toolchain (without parser) took 8799.14 ms. Allocated memory was 146.3 MB in the beginning and 319.8 MB in the end (delta: 173.5 MB). Free memory was 102.4 MB in the beginning and 198.8 MB in the end (delta: -96.4 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:52,085 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:52,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.30 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 168.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:52,086 INFO L168 Benchmark]: Boogie Preprocessor took 105.79 ms. Allocated memory is still 203.4 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:52,087 INFO L168 Benchmark]: RCFGBuilder took 1181.01 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.0 MB in the beginning and 194.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:52,088 INFO L168 Benchmark]: TraceAbstraction took 6815.92 ms. Allocated memory was 235.9 MB in the beginning and 319.8 MB in the end (delta: 83.9 MB). Free memory was 194.7 MB in the beginning and 198.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:52,092 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 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.30 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 168.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.79 ms. Allocated memory is still 203.4 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.01 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.0 MB in the beginning and 194.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6815.92 ms. Allocated memory was 235.9 MB in the beginning and 319.8 MB in the end (delta: 83.9 MB). Free memory was 194.7 MB in the beginning and 198.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1390 SDtfs, 1024 SDslu, 2721 SDs, 0 SdLazy, 1575 SolverSat, 386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 120 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 718 PreInvPairs, 719 NumberOfFragments, 68 HoareAnnotationTreeSize, 718 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1051 NumberOfCodeBlocks, 1051 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1188 ConstructedInterpolants, 0 QuantifiedInterpolants, 221024 SizeOfPredicates, 4 NumberOfNonLiveVariables, 900 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 151, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8581081081081081, 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...